NOAA logo, National Centers for Environmental Information, National Oceanic and Atmospheric Administration NSF logo, National Science Foundation, Division of Ocean Sciences

Core Data from the Deep Sea Drilling Project


Leg : 80    Top/Bottom Interval(mm) :   00/1480  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  215.50    Age: UPPER MIOCENE
Core:   2   Depth Bottom of Layer(m):  216.98    Age: 
Sect:  1    Thickness of Layer(m)   :    1.48
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     80         0        20       1.86/ 50            124
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  217.00    Age: UPPER MIOCENE
Core:   2   Depth Bottom of Layer(m):  218.50    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.90/ 48            128
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  218.50    Age: UPPER MIOCENE
Core:   2   Depth Bottom of Layer(m):  220.00    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     70         2        28       1.94/ 45            129
 
Processing Hist: Classification was successful.
Shipboard Lith : MARLY NANNOFOSSIL OOZE                                      
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 650  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  220.00    Age: UPPER MIOCENE
Core:   2   Depth Bottom of Layer(m):  220.65    Age: 
Sect:  4    Thickness of Layer(m)   :    0.65
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     85         2        13           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : MARLY NANNOFOSSIL OOZE                                      
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 380  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  220.75    Age: UPPER MIOCENE
Core:   2   Depth Bottom of Layer(m):  221.13    Age: 
Sect: CC    Thickness of Layer(m)   :    0.38
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL OOZE                                      
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 460  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  224.50    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  224.96    Age: 
Sect:  1    Thickness of Layer(m)   :    0.46
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.59/ 66             35
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 340  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  226.00    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  226.34    Age: 
Sect:  2    Thickness of Layer(m)   :    0.34
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/  50  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  227.50    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  227.55    Age: 
Sect:  3    Thickness of Layer(m)   :    0.05
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   50/ 630  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  227.55    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  228.13    Age: 
Sect:  3    Thickness of Layer(m)   :    0.58
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  630/ 900  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  228.13    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  228.40    Age: 
Sect:  3    Thickness of Layer(m)   :    0.27
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  900/1080  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  228.40    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  228.58    Age: 
Sect:  3    Thickness of Layer(m)   :    0.18
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) : 1080/1170  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  228.58    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  228.67    Age: 
Sect:  3    Thickness of Layer(m)   :    0.09
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) : 1170/1370  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  228.67    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  228.87    Age: 
Sect:  3    Thickness of Layer(m)   :    0.20
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) : 1370/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  228.87    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  229.00    Age: 
Sect:  3    Thickness of Layer(m)   :    0.13
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 150  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  229.00    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  229.15    Age: 
Sect:  4    Thickness of Layer(m)   :    0.15
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.86/ 50             11
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  150/ 260  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  229.15    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  229.26    Age: 
Sect:  4    Thickness of Layer(m)   :    0.11
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.89/ 48              9
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  260/ 790  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  229.26    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  229.79    Age: 
Sect:  4    Thickness of Layer(m)   :    0.53
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.89/ 48             47
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  790/1200  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  229.79    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  230.20    Age: 
Sect:  4    Thickness of Layer(m)   :    0.41
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.88/ 49             36
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) : 1200/1380  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  230.20    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  230.38    Age: 
Sect:  4    Thickness of Layer(m)   :    0.18
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.87/ 49             15
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) : 1380/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  230.38    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  230.50    Age: 
Sect:  4    Thickness of Layer(m)   :    0.12
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.90/ 48             11
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/  90  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  230.50    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  230.59    Age: 
Sect:  5    Thickness of Layer(m)   :    0.09
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   90/ 310  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  230.59    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  230.81    Age: 
Sect:  5    Thickness of Layer(m)   :    0.22
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  310/ 990  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  230.81    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  231.49    Age: 
Sect:  5    Thickness of Layer(m)   :    0.68
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.95/ 45             59
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  990/1040  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  231.49    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  231.54    Age: 
Sect:  5    Thickness of Layer(m)   :    0.05
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.95/ 45              5
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) : 1040/1240  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  231.54    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  231.74    Age: 
Sect:  5    Thickness of Layer(m)   :    0.20
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.93/ 46             17
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/  50  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  232.00    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  232.05    Age: 
Sect:  6    Thickness of Layer(m)   :    0.05
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   50/ 360  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  232.05    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  232.36    Age: 
Sect:  6    Thickness of Layer(m)   :    0.31
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.85/ 51             21
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  360/ 580  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  232.36    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  232.58    Age: 
Sect:  6    Thickness of Layer(m)   :    0.22
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.93/ 46             19
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  580/ 930  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  232.58    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  232.93    Age: 
Sect:  6    Thickness of Layer(m)   :    0.35
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.91/ 47             31
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  930/1190  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  232.93    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  233.19    Age: 
Sect:  6    Thickness of Layer(m)   :    0.26
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.94/ 45             23
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) : 1190/1390  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  233.19    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  233.39    Age: 
Sect:  6    Thickness of Layer(m)   :    0.20
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.96/ 44             17
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 210  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  233.52    Age: UPPER MIOCENE
Core:   3   Depth Bottom of Layer(m):  233.73    Age: 
Sect: CC    Thickness of Layer(m)   :    0.21
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  234.00    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  235.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.68/ 61            127
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 590  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  235.50    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  236.09    Age: 
Sect:  2    Thickness of Layer(m)   :    0.59
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.89/ 48             50
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  590/ 880  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  236.09    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  236.38    Age: 
Sect:  2    Thickness of Layer(m)   :    0.29
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.88/ 49             26
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  880/1090  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  236.38    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  236.59    Age: 
Sect:  2    Thickness of Layer(m)   :    0.21
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.90/ 48             18
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) : 1090/1310  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  236.59    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  236.81    Age: 
Sect:  2    Thickness of Layer(m)   :    0.22
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.94/ 45             19
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) : 1310/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  236.81    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  237.00    Age: 
Sect:  2    Thickness of Layer(m)   :    0.19
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.86/ 50             17
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 200  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  237.00    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  237.20    Age: 
Sect:  3    Thickness of Layer(m)   :    0.20
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.86/ 50             15
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  200/ 680  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  237.20    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  237.68    Age: 
Sect:  3    Thickness of Layer(m)   :    0.48
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.92/ 47             42
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  680/ 750  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  237.68    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  237.75    Age: 
Sect:  3    Thickness of Layer(m)   :    0.07
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.93/ 46              6
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  750/1120  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  237.75    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  238.12    Age: 
Sect:  3    Thickness of Layer(m)   :    0.37
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.91/ 47             33
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) : 1120/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  238.12    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  238.50    Age: 
Sect:  3    Thickness of Layer(m)   :    0.38
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.90/ 48             33
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 700  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  238.50    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  239.20    Age: 
Sect:  4    Thickness of Layer(m)   :    0.70
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.91/ 47             59
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  700/ 790  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  239.20    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  239.29    Age: 
Sect:  4    Thickness of Layer(m)   :    0.09
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.96/ 44              8
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  790/1160  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  239.29    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  239.66    Age: 
Sect:  4    Thickness of Layer(m)   :    0.37
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.88/ 49             32
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) : 1160/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  239.66    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  240.00    Age: 
Sect:  4    Thickness of Layer(m)   :    0.34
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.89/ 48             30
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 320  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  240.00    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  240.32    Age: 
Sect:  5    Thickness of Layer(m)   :    0.32
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  320/ 490  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  240.32    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  240.49    Age: 
Sect:  5    Thickness of Layer(m)   :    0.17
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  490/ 920  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  240.49    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  240.92    Age: 
Sect:  5    Thickness of Layer(m)   :    0.43
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  920/1200  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  240.92    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  241.20    Age: 
Sect:  5    Thickness of Layer(m)   :    0.28
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) : 1200/1290  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  241.20    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  241.29    Age: 
Sect:  5    Thickness of Layer(m)   :    0.09
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) : 1290/1420  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  241.29    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  241.42    Age: 
Sect:  5    Thickness of Layer(m)   :    0.13
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 140  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  241.50    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  241.64    Age: 
Sect:  6    Thickness of Layer(m)   :    0.14
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  140/ 350  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  241.64    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  241.85    Age: 
Sect:  6    Thickness of Layer(m)   :    0.21
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.93/ 46             13
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  350/ 530  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  241.85    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  242.03    Age: 
Sect:  6    Thickness of Layer(m)   :    0.18
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.95/ 45             16
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  530/ 650  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  242.03    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  242.15    Age: 
Sect:  6    Thickness of Layer(m)   :    0.12
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.92/ 47             11
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  650/1060  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  242.15    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  242.56    Age: 
Sect:  6    Thickness of Layer(m)   :    0.41
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.93/ 46             35
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) : 1060/1130  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  242.56    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  242.63    Age: 
Sect:  6    Thickness of Layer(m)   :    0.07
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.87/ 49              7
 
Processing Hist: 
Shipboard Lith : SAND                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) : 1130/1320  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  242.63    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  242.82    Age: 
Sect:  6    Thickness of Layer(m)   :    0.19
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.94/ 45             16
 
Processing Hist: 
Shipboard Lith : MUD                                                         
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 210  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  242.95    Age: UPPER MIOCENE
Core:   4   Depth Bottom of Layer(m):  243.16    Age: 
Sect: CC    Thickness of Layer(m)   :    0.21
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 150  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  243.50    Age: UPPER MIOCENE
Core:   5   Depth Bottom of Layer(m):  243.65    Age: 
Sect:  1    Thickness of Layer(m)   :    0.15
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.74/ 57              9
 
Processing Hist: 
Shipboard Lith : DRILLING BRECCIA                                            
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  150/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  243.65    Age: UPPER MIOCENE
Core:   5   Depth Bottom of Layer(m):  245.00    Age: 
Sect:  1    Thickness of Layer(m)   :    1.35
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.87/ 50            117
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 180  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  245.00    Age: UPPER MIOCENE
Core:   5   Depth Bottom of Layer(m):  245.18    Age: 
Sect:  2    Thickness of Layer(m)   :    0.18
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  180/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  245.18    Age: UPPER MIOCENE
Core:   5   Depth Bottom of Layer(m):  246.50    Age: 
Sect:  2    Thickness of Layer(m)   :    1.32
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     80         5        15           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY                                                  
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 200  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  246.50    Age: UPPER MIOCENE
Core:   5   Depth Bottom of Layer(m):  246.70    Age: 
Sect:  3    Thickness of Layer(m)   :    0.20
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.89/ 48             13
 
Processing Hist: 
Shipboard Lith : SILT                                                        
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  200/1050  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  246.70    Age: UPPER MIOCENE
Core:   5   Depth Bottom of Layer(m):  247.55    Age: 
Sect:  3    Thickness of Layer(m)   :    0.85
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     75         2        23       1.91/ 47             75
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY SAND                                                  
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) : 1050/1300  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  247.55    Age: UPPER MIOCENE
Core:   5   Depth Bottom of Layer(m):  247.80    Age: 
Sect:  3    Thickness of Layer(m)   :    0.25
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.94/ 45             21
 
Processing Hist: 
Shipboard Lith : SILTY SAND                                                  
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) : 1300/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  247.80    Age: UPPER MIOCENE
Core:   5   Depth Bottom of Layer(m):  248.00    Age: 
Sect:  3    Thickness of Layer(m)   :    0.20
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.90/ 48             18
 
Processing Hist: 
Shipboard Lith : CLAYEY SILT                                                 
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  248.00    Age: UPPER MIOCENE
Core:   5   Depth Bottom of Layer(m):  249.50    Age: 
Sect:  4    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 300  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  249.50    Age: UPPER MIOCENE
Core:   5   Depth Bottom of Layer(m):  249.80    Age: 
Sect:  5    Thickness of Layer(m)   :    0.30
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.88/ 49             23
 
Processing Hist: 
Shipboard Lith : MUDDY SILT                                                  
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  300/ 750  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  249.80    Age: UPPER MIOCENE
Core:   5   Depth Bottom of Layer(m):  250.25    Age: 
Sect:  5    Thickness of Layer(m)   :    0.45
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.90/ 47             39
 
Processing Hist: 
Shipboard Lith : SANDY SILT                                                  
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  750/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  250.25    Age: UPPER MIOCENE
Core:   5   Depth Bottom of Layer(m):  251.00    Age: 
Sect:  5    Thickness of Layer(m)   :    0.75
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.90/ 48             66
 
Processing Hist: 
Shipboard Lith : SILT                                                        
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  251.00    Age: UPPER MIOCENE
Core:   5   Depth Bottom of Layer(m):  252.50    Age: 
Sect:  6    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 110  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  252.60    Age: UPPER MIOCENE
Core:   5   Depth Bottom of Layer(m):  252.71    Age: 
Sect: CC    Thickness of Layer(m)   :    0.11
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  253.00    Age: UPPER MIOCENE
Core:   6   Depth Bottom of Layer(m):  254.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.76/ 56            127
 
Processing Hist: 
Shipboard Lith : DRILLING BRECCIA                                            
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 300  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  254.50    Age: UPPER MIOCENE
Core:   6   Depth Bottom of Layer(m):  254.80    Age: 
Sect:  2    Thickness of Layer(m)   :    0.30
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : DRILLING BRECCIA                                            
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  300/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  254.80    Age: UPPER MIOCENE
Core:   6   Depth Bottom of Layer(m):  256.00    Age: 
Sect:  2    Thickness of Layer(m)   :    1.20
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SILT                                                        
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  256.00    Age: UPPER MIOCENE
Core:   6   Depth Bottom of Layer(m):  257.50    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.85/ 51            130
 
Processing Hist: 
Shipboard Lith : SILTY NANNOFOSSIL CHALK                                     
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  257.50    Age: UPPER MIOCENE
Core:   6   Depth Bottom of Layer(m):  259.00    Age: 
Sect:  4    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     75         2        23           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 260  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  259.10    Age: UPPER MIOCENE
Core:   6   Depth Bottom of Layer(m):  259.36    Age: 
Sect: CC    Thickness of Layer(m)   :    0.26
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SILTY SAND                                                  
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  262.50    Age: UPPER MIOCENE
Core:   7   Depth Bottom of Layer(m):  264.00    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.77/ 55            126
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 750  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  264.00    Age: UPPER MIOCENE
Core:   7   Depth Bottom of Layer(m):  264.75    Age: 
Sect:  2    Thickness of Layer(m)   :    0.75
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     70         5        25           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILT                                                        
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  750/1180  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  264.75    Age: UPPER MIOCENE
Core:   7   Depth Bottom of Layer(m):  265.18    Age: 
Sect:  2    Thickness of Layer(m)   :    0.43
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : CLAYEY SILT                                                 
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 220  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  265.50    Age: UPPER MIOCENE
Core:   7   Depth Bottom of Layer(m):  265.72    Age: 
Sect:  3    Thickness of Layer(m)   :    0.22
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 130  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  266.66    Age: UPPER MIOCENE
Core:   7   Depth Bottom of Layer(m):  266.79    Age: 
Sect: CC    Thickness of Layer(m)   :    0.13
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  272.00    Age: UPPER MIOCENE
Core:   8   Depth Bottom of Layer(m):  273.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.80/ 54            127
 
Processing Hist: 
Shipboard Lith : CHALK                                                       
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  273.50    Age: UPPER MIOCENE
Core:   8   Depth Bottom of Layer(m):  275.00    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : CHALK                                                       
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  275.00    Age: UPPER MIOCENE
Core:   8   Depth Bottom of Layer(m):  276.50    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.79/ 54            128
 
Processing Hist: 
Shipboard Lith : CHALK                                                       
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 150  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  276.50    Age: UPPER MIOCENE
Core:   8   Depth Bottom of Layer(m):  276.65    Age: 
Sect:  4    Thickness of Layer(m)   :    0.15
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : CHALK                                                       
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 980  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  278.00    Age: UPPER MIOCENE
Core:   8   Depth Bottom of Layer(m):  278.98    Age: 
Sect:  5    Thickness of Layer(m)   :    0.98
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SILTY NANNOFOSSIL CHALK                                     
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1300  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  279.50    Age: UPPER MIOCENE
Core:   8   Depth Bottom of Layer(m):  280.80    Age: 
Sect:  6    Thickness of Layer(m)   :    1.30
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  281.50    Age: UPPER MIOCENE
Core:   9   Depth Bottom of Layer(m):  283.00    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SILTY NANNOFOSSIL CHALK                                     
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  283.00    Age: UPPER MIOCENE
Core:   9   Depth Bottom of Layer(m):  284.50    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  284.50    Age: UPPER MIOCENE
Core:   9   Depth Bottom of Layer(m):  286.00    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL BEARING SILTY CHALK                             
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  286.00    Age: UPPER MIOCENE
Core:   9   Depth Bottom of Layer(m):  287.50    Age: 
Sect:  4    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SILTY CHALK                                                 
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  287.50    Age: UPPER MIOCENE
Core:   9   Depth Bottom of Layer(m):  289.00    Age: 
Sect:  5    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SILTY NANNOFOSSIL BEARING CHALK                             
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 200  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  289.10    Age: UPPER MIOCENE
Core:   9   Depth Bottom of Layer(m):  289.30    Age: 
Sect: CC    Thickness of Layer(m)   :    0.20
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SILTY NANNOFOSSIL BEARING CHALK                             
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  291.00    Age: UPPER MIOCENE
Core:  10   Depth Bottom of Layer(m):  292.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : DRILLING BRECCIA                                            
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 200  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  292.50    Age: UPPER MIOCENE
Core:  10   Depth Bottom of Layer(m):  292.70    Age: 
Sect:  2    Thickness of Layer(m)   :    0.20
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : DRILLING BRECCIA                                            
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  200/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  292.70    Age: UPPER MIOCENE
Core:  10   Depth Bottom of Layer(m):  294.00    Age: 
Sect:  2    Thickness of Layer(m)   :    1.30
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SILTY CHALK                                                 
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  294.00    Age: UPPER MIOCENE
Core:  10   Depth Bottom of Layer(m):  295.50    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SILTY CHALK                                                 
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  295.50    Age: UPPER MIOCENE
Core:  10   Depth Bottom of Layer(m):  297.00    Age: 
Sect:  4    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SILTY CHALK                                                 
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  297.00    Age: UPPER MIOCENE
Core:  10   Depth Bottom of Layer(m):  298.50    Age: 
Sect:  5    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SILTY CHALK                                                 
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  298.50    Age: UPPER MIOCENE
Core:  10   Depth Bottom of Layer(m):  300.00    Age: 
Sect:  6    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SILTY CHALK                                                 
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 400  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  300.51    Age: UPPER MIOCENE
Core:  10   Depth Bottom of Layer(m):  300.91    Age: 
Sect: CC    Thickness of Layer(m)   :    0.40
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SILTY CHALK                                                 
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  300.50    Age: UPPER MIOCENE
Core:  11   Depth Bottom of Layer(m):  302.00    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL BEARING SILTY CHALK                             
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  302.00    Age: UPPER MIOCENE
Core:  11   Depth Bottom of Layer(m):  303.50    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SANDY SILT                                                  
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  303.50    Age: UPPER MIOCENE
Core:  11   Depth Bottom of Layer(m):  305.00    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MUDSTONE                                                    
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  305.00    Age: UPPER MIOCENE
Core:  11   Depth Bottom of Layer(m):  306.50    Age: 
Sect:  4    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     80         5        15           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNOFOSSIL BEARING OOZE                                    
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 500  Age: MIDDLE MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  306.50    Age: MIDDLE MIOCENE
Core:  11   Depth Bottom of Layer(m):  307.00    Age: 
Sect:  5    Thickness of Layer(m)   :    0.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SILTY CLAY                                                  
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/  70  Age: MIDDLE MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  307.14    Age: MIDDLE MIOCENE
Core:  11   Depth Bottom of Layer(m):  307.21    Age: 
Sect: CC    Thickness of Layer(m)   :    0.07
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL OOZE                                            
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  310.00    Age: MIDDLE MIOCENE
Core:  12   Depth Bottom of Layer(m):  311.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
    100         0         0           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CHALK                                                       
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  311.50    Age: MIDDLE MIOCENE
Core:  12   Depth Bottom of Layer(m):  313.00    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : CHALK                                                       
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  313.00    Age: MIDDLE MIOCENE
Core:  12   Depth Bottom of Layer(m):  314.50    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFER NANNOFOSSIL CHALK                               
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  314.50    Age: MIDDLE MIOCENE
Core:  12   Depth Bottom of Layer(m):  316.00    Age: 
Sect:  4    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFER NANNOFOSSIL CHALK                               
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  316.00    Age: MIDDLE MIOCENE
Core:  12   Depth Bottom of Layer(m):  317.50    Age: 
Sect:  5    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFER NANNOFOSSIL CHALK                               
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  317.50    Age: LOWER MIOCENE
Core:  12   Depth Bottom of Layer(m):  319.00    Age: 
Sect:  6    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFER NANNOFOSSIL CHALK                               
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 280  Age: LOWER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  319.00    Age: LOWER MIOCENE
Core:  12   Depth Bottom of Layer(m):  319.28    Age: 
Sect:  7    Thickness of Layer(m)   :    0.28
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFER NANNOFOSSIL CHALK                               
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/  50  Age: LOWER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  319.38    Age: LOWER MIOCENE
Core:  12   Depth Bottom of Layer(m):  319.43    Age: 
Sect: CC    Thickness of Layer(m)   :    0.05
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFER NANNOFOSSIL CHALK                               
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  319.50    Age: LOWER MIOCENE
Core:  13   Depth Bottom of Layer(m):  321.00    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFERAL NANNOFOSSIL CHALK                             
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  321.00    Age: LOWER MIOCENE
Core:  13   Depth Bottom of Layer(m):  322.50    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     88         0        13           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : FORAMINIFERAL NANNOFOSSIL CHALK                             
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  322.50    Age: LOWER MIOCENE
Core:  13   Depth Bottom of Layer(m):  324.00    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFERAL NANNOFOSSIL CHALK                             
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1200  Age: LOWER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  324.00    Age: LOWER MIOCENE
Core:  13   Depth Bottom of Layer(m):  325.20    Age: 
Sect:  4    Thickness of Layer(m)   :    1.20
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFERAL NANNOFOSSIL CHALK                             
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  325.50    Age: LOWER MIOCENE
Core:  13   Depth Bottom of Layer(m):  327.00    Age: 
Sect:  5    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFERAL NANNOFOSSIL CHALK                             
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  327.00    Age: LOWER MIOCENE
Core:  13   Depth Bottom of Layer(m):  328.50    Age: 
Sect:  6    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SILTY CLAY                                                  
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 300  Age: LOWER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  328.50    Age: LOWER MIOCENE
Core:  13   Depth Bottom of Layer(m):  328.80    Age: 
Sect:  7    Thickness of Layer(m)   :    0.30
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SILTY CLAY                                                  
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  329.00    Age: LOWER MIOCENE
Core:  14   Depth Bottom of Layer(m):  330.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     85         0        15           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : FORAMINIFERAL NANNOFOSSIL CHALK                             
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  330.50    Age: LOWER MIOCENE
Core:  14   Depth Bottom of Layer(m):  332.00    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     85         3        13           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : FORAMINIFERAL NANNOFOSSIL CHALK                             
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  332.00    Age: LOWER MIOCENE
Core:  14   Depth Bottom of Layer(m):  333.50    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFERAL NANNOFOSSIL CHALK                             
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  333.50    Age: LOWER MIOCENE
Core:  14   Depth Bottom of Layer(m):  335.00    Age: 
Sect:  4    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     75         0        25           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : FORAMINIFERAL NANNOFOSSIL CHALK                             
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  335.00    Age: LOWER MIOCENE
Core:  14   Depth Bottom of Layer(m):  336.50    Age: 
Sect:  5    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFERAL NANNOFOSSIL CHALK                             
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1150  Age: LOWER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  336.50    Age: LOWER MIOCENE
Core:  14   Depth Bottom of Layer(m):  337.65    Age: 
Sect:  6    Thickness of Layer(m)   :    1.15
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SILTY CHALK                                                 
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  338.50    Age: LOWER MIOCENE
Core:  15   Depth Bottom of Layer(m):  340.00    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : CHALK                                                       
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1480  Age: LOWER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  340.00    Age: LOWER MIOCENE
Core:  15   Depth Bottom of Layer(m):  341.48    Age: 
Sect:  2    Thickness of Layer(m)   :    1.48
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     80         0        20           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1340  Age: LOWER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  341.50    Age: LOWER MIOCENE
Core:  15   Depth Bottom of Layer(m):  342.84    Age: 
Sect:  3    Thickness of Layer(m)   :    1.34
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     80         2        18           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 800  Age: LOWER MIOCENE
Hole: 548A  Depth Top of Layer(m)   :  343.00    Age: LOWER MIOCENE
Core:  15   Depth Bottom of Layer(m):  343.80    Age: 
Sect:  4    Thickness of Layer(m)   :    0.80
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  810/1500  Age: UPPER OLIGOCENE
Hole: 548A  Depth Top of Layer(m)   :  343.81    Age: UPPER OLIGOCENE
Core:  15   Depth Bottom of Layer(m):  344.50    Age: 
Sect:  4    Thickness of Layer(m)   :    0.69
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER OLIGOCENE
Hole: 548A  Depth Top of Layer(m)   :  344.50    Age: UPPER OLIGOCENE
Core:  15   Depth Bottom of Layer(m):  346.00    Age: 
Sect:  5    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 620  Age: UPPER OLIGOCENE
Hole: 548A  Depth Top of Layer(m)   :  346.00    Age: UPPER OLIGOCENE
Core:  15   Depth Bottom of Layer(m):  346.62    Age: 
Sect:  6    Thickness of Layer(m)   :    0.62
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     90         0        10           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER OLIGOCENE
Hole: 548A  Depth Top of Layer(m)   :  348.00    Age: UPPER OLIGOCENE
Core:  16   Depth Bottom of Layer(m):  349.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     80         0        20           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL RICH  CHALK                   
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE OLIGOCENE
Hole: 548A  Depth Top of Layer(m)   :  349.50    Age: MIDDLE OLIGOCENE
Core:  16   Depth Bottom of Layer(m):  351.00    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     80         0        20           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE OLIGOCENE
Hole: 548A  Depth Top of Layer(m)   :  351.00    Age: MIDDLE OLIGOCENE
Core:  16   Depth Bottom of Layer(m):  352.50    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     80         0        20           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER OLIGOCENE
Hole: 548A  Depth Top of Layer(m)   :  352.50    Age: LOWER OLIGOCENE
Core:  16   Depth Bottom of Layer(m):  354.00    Age: 
Sect:  4    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1120  Age: LOWER OLIGOCENE
Hole: 548A  Depth Top of Layer(m)   :  354.00    Age: LOWER OLIGOCENE
Core:  16   Depth Bottom of Layer(m):  355.12    Age: 
Sect:  5    Thickness of Layer(m)   :    1.12
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER OLIGOCENE
Hole: 548A  Depth Top of Layer(m)   :  357.50    Age: LOWER OLIGOCENE
Core:  17   Depth Bottom of Layer(m):  359.00    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     93         1         7           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : FORAMINIFERAL NANNOFOSSIL CHALK                             
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  359.00    Age: UPPER EOCENE
Core:  17   Depth Bottom of Layer(m):  360.50    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFERAL NANNOFOSSIL CHALK                             
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  360.50    Age: UPPER EOCENE
Core:  17   Depth Bottom of Layer(m):  362.00    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFERAL NANNOFOSSIL CHALK                             
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  362.00    Age: UPPER EOCENE
Core:  17   Depth Bottom of Layer(m):  363.50    Age: 
Sect:  4    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     85         0        15           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : FORAMINIFERAL NANNOFOSSIL CHALK                             
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  363.50    Age: UPPER EOCENE
Core:  17   Depth Bottom of Layer(m):  365.00    Age: 
Sect:  5    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFERAL NANNOFOSSIL CHALK                             
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  365.00    Age: UPPER EOCENE
Core:  17   Depth Bottom of Layer(m):  366.50    Age: 
Sect:  6    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFERAL NANNOFOSSIL CHALK                             
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1200  Age: UPPER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  367.00    Age: UPPER EOCENE
Core:  18   Depth Bottom of Layer(m):  368.20    Age: 
Sect:  1    Thickness of Layer(m)   :    1.20
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFERAL NANNOFOSSIL CHALK                             
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  368.50    Age: MIDDLE EOCENE
Core:  18   Depth Bottom of Layer(m):  370.00    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     90         0        10           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : FORAMINIFERAL NANNOFOSSIL CHALK                             
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  370.00    Age: MIDDLE EOCENE
Core:  18   Depth Bottom of Layer(m):  371.50    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFERAL NANNOFOSSIL CHALK                             
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 170  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  371.60    Age: MIDDLE EOCENE
Core:  18   Depth Bottom of Layer(m):  371.77    Age: 
Sect: CC    Thickness of Layer(m)   :    0.17
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFERAL NANNOFOSSIL CHALK                             
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1100  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  376.50    Age: MIDDLE EOCENE
Core:  19   Depth Bottom of Layer(m):  377.60    Age: 
Sect:  1    Thickness of Layer(m)   :    1.10
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     95         0         5           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) : 1100/1240  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  377.60    Age: MIDDLE EOCENE
Core:  19   Depth Bottom of Layer(m):  377.74    Age: 
Sect:  1    Thickness of Layer(m)   :    0.14
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     90         0        10           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) : 1240/1500  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  377.74    Age: MIDDLE EOCENE
Core:  19   Depth Bottom of Layer(m):  378.00    Age: 
Sect:  1    Thickness of Layer(m)   :    0.26
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     92         0         8           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY                                                        
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  378.00    Age: MIDDLE EOCENE
Core:  19   Depth Bottom of Layer(m):  379.50    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  379.50    Age: MIDDLE EOCENE
Core:  19   Depth Bottom of Layer(m):  381.00    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  381.00    Age: MIDDLE EOCENE
Core:  19   Depth Bottom of Layer(m):  382.50    Age: 
Sect:  4    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  382.50    Age: MIDDLE EOCENE
Core:  19   Depth Bottom of Layer(m):  384.00    Age: 
Sect:  5    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1070  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  384.00    Age: MIDDLE EOCENE
Core:  19   Depth Bottom of Layer(m):  385.07    Age: 
Sect:  6    Thickness of Layer(m)   :    1.07
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/  80  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  385.20    Age: MIDDLE EOCENE
Core:  19   Depth Bottom of Layer(m):  385.28    Age: 
Sect: CC    Thickness of Layer(m)   :    0.08
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 800  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  386.00    Age: MIDDLE EOCENE
Core:  20   Depth Bottom of Layer(m):  386.80    Age: 
Sect:  1    Thickness of Layer(m)   :    0.80
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : DRILLING BRECCIA                                            
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  800/1500  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  386.80    Age: MIDDLE EOCENE
Core:  20   Depth Bottom of Layer(m):  387.50    Age: 
Sect:  1    Thickness of Layer(m)   :    0.70
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFER NANNOFOSSIL OOZE                                
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  387.50    Age: MIDDLE EOCENE
Core:  20   Depth Bottom of Layer(m):  389.00    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFER NANNOFOSSIL OOZE                                
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  389.00    Age: MIDDLE EOCENE
Core:  20   Depth Bottom of Layer(m):  390.50    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFER NANNOFOSSIL OOZE                                
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 650  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  390.50    Age: MIDDLE EOCENE
Core:  20   Depth Bottom of Layer(m):  391.15    Age: 
Sect:  4    Thickness of Layer(m)   :    0.65
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFER NANNOFOSSIL OOZE                                
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 230  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  391.32    Age: MIDDLE EOCENE
Core:  20   Depth Bottom of Layer(m):  391.55    Age: 
Sect: CC    Thickness of Layer(m)   :    0.23
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFER NANNOFOSSIL OOZE                                
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  395.50    Age: MIDDLE EOCENE
Core:  21   Depth Bottom of Layer(m):  397.00    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFER NANNOFOSSIL CHALK                               
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  397.00    Age: MIDDLE EOCENE
Core:  21   Depth Bottom of Layer(m):  398.50    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFER NANNOFOSSIL CHALK                               
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  398.50    Age: MIDDLE EOCENE
Core:  21   Depth Bottom of Layer(m):  400.00    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFER NANNOFOSSIL CHALK                               
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1380  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  400.00    Age: MIDDLE EOCENE
Core:  21   Depth Bottom of Layer(m):  401.38    Age: 
Sect:  4    Thickness of Layer(m)   :    1.38
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFER NANNOFOSSIL CHALK                               
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 300  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  401.49    Age: MIDDLE EOCENE
Core:  21   Depth Bottom of Layer(m):  401.79    Age: 
Sect: CC    Thickness of Layer(m)   :    0.30
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFER NANNOFOSSIL CHALK                               
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  405.00    Age: MIDDLE EOCENE
Core:  22   Depth Bottom of Layer(m):  406.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  406.50    Age: MIDDLE EOCENE
Core:  22   Depth Bottom of Layer(m):  408.00    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  408.00    Age: MIDDLE EOCENE
Core:  22   Depth Bottom of Layer(m):  409.50    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  411.00    Age: MIDDLE EOCENE
Core:  22   Depth Bottom of Layer(m):  412.50    Age: 
Sect:  5    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 548A  Depth Top of Layer(m)   :  412.50    Age: MIDDLE EOCENE
Core:  22   Depth Bottom of Layer(m):  414.00    Age: 
Sect:  6    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 230  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  414.00    Age: LOWER EOCENE
Core:  22   Depth Bottom of Layer(m):  414.23    Age: 
Sect:  7    Thickness of Layer(m)   :    0.23
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 150  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  414.33    Age: LOWER EOCENE
Core:  22   Depth Bottom of Layer(m):  414.48    Age: 
Sect: CC    Thickness of Layer(m)   :    0.15
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  414.50    Age: LOWER EOCENE
Core:  23   Depth Bottom of Layer(m):  416.00    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  416.00    Age: LOWER EOCENE
Core:  23   Depth Bottom of Layer(m):  417.50    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1400  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  417.50    Age: LOWER EOCENE
Core:  23   Depth Bottom of Layer(m):  418.90    Age: 
Sect:  3    Thickness of Layer(m)   :    1.40
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1360  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  419.00    Age: LOWER EOCENE
Core:  23   Depth Bottom of Layer(m):  420.36    Age: 
Sect:  4    Thickness of Layer(m)   :    1.36
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 140  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  420.47    Age: LOWER EOCENE
Core:  23   Depth Bottom of Layer(m):  420.61    Age: 
Sect: CC    Thickness of Layer(m)   :    0.14
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  424.00    Age: LOWER EOCENE
Core:  24   Depth Bottom of Layer(m):  425.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1160  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  425.50    Age: LOWER EOCENE
Core:  24   Depth Bottom of Layer(m):  426.66    Age: 
Sect:  2    Thickness of Layer(m)   :    1.16
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  427.00    Age: LOWER EOCENE
Core:  24   Depth Bottom of Layer(m):  428.50    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1190  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  428.50    Age: LOWER EOCENE
Core:  24   Depth Bottom of Layer(m):  429.69    Age: 
Sect:  4    Thickness of Layer(m)   :    1.19
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1280  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  430.00    Age: LOWER EOCENE
Core:  24   Depth Bottom of Layer(m):  431.28    Age: 
Sect:  5    Thickness of Layer(m)   :    1.28
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1160  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  431.50    Age: LOWER EOCENE
Core:  24   Depth Bottom of Layer(m):  432.66    Age: 
Sect:  6    Thickness of Layer(m)   :    1.16
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 380  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  433.00    Age: LOWER EOCENE
Core:  24   Depth Bottom of Layer(m):  433.38    Age: 
Sect:  7    Thickness of Layer(m)   :    0.38
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 880  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  433.50    Age: LOWER EOCENE
Core:  25   Depth Bottom of Layer(m):  434.38    Age: 
Sect:  1    Thickness of Layer(m)   :    0.88
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  435.00    Age: LOWER EOCENE
Core:  25   Depth Bottom of Layer(m):  436.50    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  436.50    Age: LOWER EOCENE
Core:  25   Depth Bottom of Layer(m):  438.00    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  438.00    Age: LOWER EOCENE
Core:  25   Depth Bottom of Layer(m):  439.50    Age: 
Sect:  4    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  439.50    Age: LOWER EOCENE
Core:  25   Depth Bottom of Layer(m):  441.00    Age: 
Sect:  5    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  441.00    Age: LOWER EOCENE
Core:  25   Depth Bottom of Layer(m):  442.50    Age: 
Sect:  6    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 310  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  442.50    Age: LOWER EOCENE
Core:  25   Depth Bottom of Layer(m):  442.81    Age: 
Sect:  7    Thickness of Layer(m)   :    0.31
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/  50  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  442.91    Age: LOWER EOCENE
Core:  25   Depth Bottom of Layer(m):  442.96    Age: 
Sect: CC    Thickness of Layer(m)   :    0.05
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  443.00    Age: LOWER EOCENE
Core:  26   Depth Bottom of Layer(m):  444.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : DRILLING BRECCIA                                            
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  444.50    Age: LOWER EOCENE
Core:  26   Depth Bottom of Layer(m):  446.00    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : DRILLING BRECCIA                                            
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  446.00    Age: LOWER EOCENE
Core:  26   Depth Bottom of Layer(m):  447.50    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : DRILLING BRECCIA                                            
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  447.50    Age: LOWER EOCENE
Core:  26   Depth Bottom of Layer(m):  449.00    Age: 
Sect:  4    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : DRILLING BRECCIA                                            
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  449.00    Age: LOWER EOCENE
Core:  26   Depth Bottom of Layer(m):  450.50    Age: 
Sect:  5    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : DRILLING BRECCIA                                            
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  450.50    Age: LOWER EOCENE
Core:  26   Depth Bottom of Layer(m):  452.00    Age: 
Sect:  6    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 550  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  452.00    Age: LOWER EOCENE
Core:  26   Depth Bottom of Layer(m):  452.55    Age: 
Sect:  7    Thickness of Layer(m)   :    0.55
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 240  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  452.65    Age: LOWER EOCENE
Core:  26   Depth Bottom of Layer(m):  452.89    Age: 
Sect: CC    Thickness of Layer(m)   :    0.24
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  452.50    Age: LOWER EOCENE
Core:  27   Depth Bottom of Layer(m):  454.00    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  454.00    Age: LOWER EOCENE
Core:  27   Depth Bottom of Layer(m):  455.50    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1180  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  455.50    Age: LOWER EOCENE
Core:  27   Depth Bottom of Layer(m):  456.68    Age: 
Sect:  3    Thickness of Layer(m)   :    1.18
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  457.00    Age: LOWER EOCENE
Core:  27   Depth Bottom of Layer(m):  458.50    Age: 
Sect:  4    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     75         0        25           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  458.50    Age: LOWER EOCENE
Core:  27   Depth Bottom of Layer(m):  460.00    Age: 
Sect:  5    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 530  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  460.00    Age: LOWER EOCENE
Core:  27   Depth Bottom of Layer(m):  460.53    Age: 
Sect:  6    Thickness of Layer(m)   :    0.53
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  462.00    Age: LOWER EOCENE
Core:  28   Depth Bottom of Layer(m):  463.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  463.50    Age: LOWER EOCENE
Core:  28   Depth Bottom of Layer(m):  465.00    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  465.00    Age: LOWER EOCENE
Core:  28   Depth Bottom of Layer(m):  466.50    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER EOCENE
Hole: 548A  Depth Top of Layer(m)   :  466.50    Age: LOWER EOCENE
Core:  28   Depth Bottom of Layer(m):  468.00    Age: 
Sect:  4    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER PALEOCENE
Hole: 548A  Depth Top of Layer(m)   :  468.00    Age: UPPER PALEOCENE
Core:  28   Depth Bottom of Layer(m):  469.50    Age: 
Sect:  5    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 350  Age: UPPER PALEOCENE
Hole: 548A  Depth Top of Layer(m)   :  469.50    Age: UPPER PALEOCENE
Core:  28   Depth Bottom of Layer(m):  469.85    Age: 
Sect:  6    Thickness of Layer(m)   :    0.35
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MARLY NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  350/1500  Age: UPPER PALEOCENE
Hole: 548A  Depth Top of Layer(m)   :  469.85    Age: UPPER PALEOCENE
Core:  28   Depth Bottom of Layer(m):  471.00    Age: 
Sect:  6    Thickness of Layer(m)   :    1.15
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFER NANNOFOSSIL CHALK                               
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 400  Age: LOWER PALEOCENE
Hole: 548A  Depth Top of Layer(m)   :  471.00    Age: LOWER PALEOCENE
Core:  28   Depth Bottom of Layer(m):  471.40    Age: 
Sect:  7    Thickness of Layer(m)   :    0.40
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAMINIFER NANNOFOSSIL CHALK                               
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER PALEOCENE
Hole: 548A  Depth Top of Layer(m)   :  471.50    Age: LOWER PALEOCENE
Core:  29   Depth Bottom of Layer(m):  473.00    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAM NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  473.00    Age: UPPER MAESTRICHTIAN
Core:  29   Depth Bottom of Layer(m):  474.50    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAM NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  474.50    Age: UPPER MAESTRICHTIAN
Core:  29   Depth Bottom of Layer(m):  476.00    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAM NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  476.00    Age: UPPER MAESTRICHTIAN
Core:  29   Depth Bottom of Layer(m):  477.50    Age: 
Sect:  4    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAM NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 730  Age: UPPER MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  477.50    Age: UPPER MAESTRICHTIAN
Core:  29   Depth Bottom of Layer(m):  478.23    Age: 
Sect:  5    Thickness of Layer(m)   :    0.73
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : FORAM NANNOFOSSIL CHALK                                     
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 590  Age: UPPER MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  481.00    Age: UPPER MAESTRICHTIAN
Core:  30   Depth Bottom of Layer(m):  481.59    Age: 
Sect:  1    Thickness of Layer(m)   :    0.59
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : DRILLING BRECCIA                                            
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :  590/1500  Age: UPPER MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  481.59    Age: UPPER MAESTRICHTIAN
Core:  30   Depth Bottom of Layer(m):  482.50    Age: 
Sect:  1    Thickness of Layer(m)   :    0.91
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  482.50    Age: UPPER MAESTRICHTIAN
Core:  30   Depth Bottom of Layer(m):  484.00    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1450  Age: UPPER MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  484.00    Age: UPPER MAESTRICHTIAN
Core:  30   Depth Bottom of Layer(m):  485.45    Age: 
Sect:  3    Thickness of Layer(m)   :    1.45
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  490.50    Age: UPPER MAESTRICHTIAN
Core:  31   Depth Bottom of Layer(m):  492.00    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
    100         0         0           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  492.00    Age: MIDDLE MAESTRICHTIAN
Core:  31   Depth Bottom of Layer(m):  493.50    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 800  Age: MIDDLE MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  493.50    Age: MIDDLE MAESTRICHTIAN
Core:  31   Depth Bottom of Layer(m):  494.30    Age: 
Sect:  3    Thickness of Layer(m)   :    0.80
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  500.00    Age: MIDDLE MAESTRICHTIAN
Core:  32   Depth Bottom of Layer(m):  501.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     85         0        15           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  501.50    Age: MIDDLE MAESTRICHTIAN
Core:  32   Depth Bottom of Layer(m):  503.00    Age: LOWER MAESTRICHTIAN
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1190  Age: MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  503.00    Age: MIDDLE MAESTRICHTIAN
Core:  32   Depth Bottom of Layer(m):  504.19    Age: LOWER MAESTRICHTIAN
Sect:  3    Thickness of Layer(m)   :    1.19
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 820  Age: MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  504.50    Age: MIDDLE MAESTRICHTIAN
Core:  32   Depth Bottom of Layer(m):  505.32    Age: LOWER MAESTRICHTIAN
Sect:  4    Thickness of Layer(m)   :    0.82
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 150  Age: MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  505.42    Age: MIDDLE MAESTRICHTIAN
Core:  32   Depth Bottom of Layer(m):  505.57    Age: LOWER MAESTRICHTIAN
Sect: CC    Thickness of Layer(m)   :    0.15
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  509.50    Age: MIDDLE MAESTRICHTIAN
Core:  33   Depth Bottom of Layer(m):  511.00    Age: LOWER MAESTRICHTIAN
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  511.00    Age: LOWER MAESTRICHTIAN
Core:  33   Depth Bottom of Layer(m):  512.50    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  512.50    Age: LOWER MAESTRICHTIAN
Core:  33   Depth Bottom of Layer(m):  514.00    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 440  Age: LOWER MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  514.00    Age: LOWER MAESTRICHTIAN
Core:  33   Depth Bottom of Layer(m):  514.44    Age: 
Sect:  4    Thickness of Layer(m)   :    0.44
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     85         0        15           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 110  Age: LOWER MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  514.54    Age: LOWER MAESTRICHTIAN
Core:  33   Depth Bottom of Layer(m):  514.65    Age: 
Sect: CC    Thickness of Layer(m)   :    0.11
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  519.00    Age: LOWER MAESTRICHTIAN
Core:  34   Depth Bottom of Layer(m):  520.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  520.50    Age: LOWER MAESTRICHTIAN
Core:  34   Depth Bottom of Layer(m):  522.00    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  522.00    Age: LOWER MAESTRICHTIAN
Core:  34   Depth Bottom of Layer(m):  523.50    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  523.50    Age: LOWER MAESTRICHTIAN
Core:  34   Depth Bottom of Layer(m):  525.00    Age: 
Sect:  4    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     80         0        20           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  525.00    Age: LOWER MAESTRICHTIAN
Core:  34   Depth Bottom of Layer(m):  526.50    Age: 
Sect:  5    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  526.50    Age: LOWER MAESTRICHTIAN
Core:  34   Depth Bottom of Layer(m):  528.00    Age: 
Sect:  6    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/ 560  Age: LOWER MAESTRICHTIAN
Hole: 548A  Depth Top of Layer(m)   :  528.00    Age: LOWER MAESTRICHTIAN
Core:  34   Depth Bottom of Layer(m):  528.56    Age: 
Sect:  7    Thickness of Layer(m)   :    0.56
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     80         0        20           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/  90  Age: UPPER CAMPANIAN
Hole: 548A  Depth Top of Layer(m)   :  528.66    Age: UPPER CAMPANIAN
Core:  34   Depth Bottom of Layer(m):  528.75    Age: 
Sect: CC    Thickness of Layer(m)   :    0.09
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : NANNOFOSSIL CHALK                                           
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/1500  Age: UPPER CAMPANIAN
Hole: 548A  Depth Top of Layer(m)   :  528.50    Age: UPPER CAMPANIAN
Core:  35   Depth Bottom of Layer(m):  530.00    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     97         0         3           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : FORAM NANNOFOSSIL CHALK                                     
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/  90  Age: UPPER CAMPANIAN
Hole: 548A  Depth Top of Layer(m)   :  530.00    Age: UPPER CAMPANIAN
Core:  35   Depth Bottom of Layer(m):  530.09    Age: 
Sect:  2    Thickness of Layer(m)   :    0.09
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     50        35         3           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : FORAM NANNOFOSSIL CHALK                                     
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 80    Top/Bottom Interval(mm) :   00/  50  Age: UPPER CAMPANIAN
Hole: 548A  Depth Top of Layer(m)   :  530.19    Age: UPPER CAMPANIAN
Core:  35   Depth Bottom of Layer(m):  530.24    Age: 
Sect: CC    Thickness of Layer(m)   :    0.05
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     50        35         3           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : FORAM NANNOFOSSIL CHALK                                     
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL CHALK                         
 
 
 
    

Introduction


Cite as: Deep Sea Drilling Project (1989): Archive of Core and Site/Hole Data and Photographs from the Deep Sea Drilling Project (DSDP). National Geophysical Data Center, NOAA. doi:10.7289/V54M92G2 [access date]

These Web pages are from the Core Data from the Deep Sea Drilling Project Legs 1-96 CD-ROM produced in 1989 and modified in 2000 by the U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Service, National Geophysical Data Center (now part of the National Centers for Environmental Information), and collocated World Data Center for Marine Geology and Geophysics, Boulder (now part of the World Data Service for Geophysics). Data were compiled in cooperation with the U.S. Science Support Program, of the Joint Oceanographic Institutions, Inc. (now the Consortium for Ocean Leadership), and the U.S. National Science Foundation.

Please see NOAA's privacy and disclaimer information. Send questions or comments to mgg.info@noaa.gov.

Department of Commerce > NOAA > NESDIS > NCEI > doi:10.7289/V54M92G2