Core Data from the Deep Sea Drilling Project

Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole:  27A  Depth Top of Layer(m)   :   25.00    Age: 
Core:   1   Depth Bottom of Layer(m):   26.50    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       100       1.55/ 69            158
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY                                                        
Screen Lith    : CLAY MINERAL RICH SANDY MUD                                 
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole:  27A  Depth Top of Layer(m)   :   26.50    Age: 
Core:   1   Depth Bottom of Layer(m):   28.00    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       1.47/ 74             96
 
Processing Hist: 
Shipboard Lith : SLIGHTLY SILTY CLAY                                         
Screen Lith    : CLASTIC SEDIMENT.                                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole:  27A  Depth Top of Layer(m)   :   28.00    Age: 
Core:   1   Depth Bottom of Layer(m):   29.50    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 CLAY                                                  
Screen Lith    : CLASTIC SEDIMENT.                                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole:  27A  Depth Top of Layer(m)   :   29.50    Age: 
Core:   1   Depth Bottom of Layer(m):   31.00    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         4        96       1.55/ 69            158
 
Processing Hist: Classification was successful.
Shipboard Lith : SLIGHTLY SILTY CLAY                                         
Screen Lith    : CLAY MINERAL RICH MUD                                       
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole:  27A  Depth Top of Layer(m)   :   31.00    Age: 
Core:   1   Depth Bottom of Layer(m):   32.50    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         1        99       1.60/ 65            157
 
Processing Hist: Classification was successful.
Shipboard Lith : SLIGHTLY SILTY CLAY                                         
Screen Lith    : CLAY MINERAL RICH CLAY                                      
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole:  27A  Depth Top of Layer(m)   :   32.50    Age: 
Core:   1   Depth Bottom of Layer(m):   34.00    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
========== ========= ========  ================  ============
      1         0         0       1.62/ 65            158
 
Processing Hist: 
Shipboard Lith : SLIGHTLY SILTY CLAY                                         
Screen Lith    : CLASTIC SEDIMENT.                                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole:  27A  Depth Top of Layer(m)   :   45.00    Age: 
Core:   2   Depth Bottom of Layer(m):   46.50    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       1.25/ 86             29
 
Processing Hist: 
Shipboard Lith : CLAY                                                        
Screen Lith    : CLASTIC SEDIMENT.                                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole:  27A  Depth Top of Layer(m)   :   46.50    Age: 
Core:   2   Depth Bottom of Layer(m):   48.00    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       100       1.54/ 69            157
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY                                                        
Screen Lith    : CLAY MINERAL RICH SANDY MUD                                 
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/ 230  Age: 
Hole:  27A  Depth Top of Layer(m)   :   48.00    Age: 
Core:   2   Depth Bottom of Layer(m):   48.23    Age: 
Sect:  3    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       100           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY SANDY CLAY                                            
Screen Lith    : QUARTZ RICH CLAY MINERAL RICH MUD                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :  230/ 550  Age: 
Hole:  27A  Depth Top of Layer(m)   :   48.23    Age: 
Core:   2   Depth Bottom of Layer(m):   48.55    Age: 
Sect:  3    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 : SLIGHTLY SILTY CLAY                                         
Screen Lith    : CLASTIC SEDIMENT.                                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :  550/ 830  Age: 
Hole:  27A  Depth Top of Layer(m)   :   48.55    Age: 
Core:   2   Depth Bottom of Layer(m):   48.83    Age: 
Sect:  3    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       100           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : TURBIDITE SEQUENCE                                          
Screen Lith    : DETRITAL MINERAL RICH QUARTZ RICH SILT                      
 
 
 
Leg :  4    Top/Bottom Interval(mm) :  830/1100  Age: 
Hole:  27A  Depth Top of Layer(m)   :   48.83    Age: 
Core:   2   Depth Bottom of Layer(m):   49.10    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 : SILTY CLAY                                                  
Screen Lith    : CLASTIC SEDIMENT.                                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) : 1100/1160  Age: 
Hole:  27A  Depth Top of Layer(m)   :   49.10    Age: 
Core:   2   Depth Bottom of Layer(m):   49.16    Age: 
Sect:  3    Thickness of Layer(m)   :    0.06
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0       100           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY                                                        
Screen Lith    : CLAY MINERAL RICH CLAY                                      
 
 
 
Leg :  4    Top/Bottom Interval(mm) : 1160/1380  Age: 
Hole:  27A  Depth Top of Layer(m)   :   49.16    Age: 
Core:   2   Depth Bottom of Layer(m):   49.38    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 : SLIGHTLY SILTY CLAY                                         
Screen Lith    : CLASTIC SEDIMENT.                                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :  500/1500  Age: 
Hole:  27A  Depth Top of Layer(m)   :   54.50    Age: 
Core:   3   Depth Bottom of Layer(m):   55.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.00
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0       100       1.61/ 65             98
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY                                                        
Screen Lith    : QUARTZ RICH CLAY MINERAL RICH MUD                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :  110/1300  Age: 
Hole:  27A  Depth Top of Layer(m)   :   55.61    Age: 
Core:   3   Depth Bottom of Layer(m):   56.80    Age: 
Sect:  2    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 : CLAY                                                        
Screen Lith    : CLASTIC SEDIMENT.                                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/ 770  Age: 
Hole:  27A  Depth Top of Layer(m)   :   57.00    Age: 
Core:   3   Depth Bottom of Layer(m):   57.77    Age: 
Sect:  3    Thickness of Layer(m)   :    0.77
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0       100           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY                                                  
Screen Lith    : CLAY MINERAL RICH QUARTZ RICH SAND                          
 
 
 
Leg :  4    Top/Bottom Interval(mm) :  770/1390  Age: 
Hole:  27A  Depth Top of Layer(m)   :   57.77    Age: 
Core:   3   Depth Bottom of Layer(m):   58.39    Age: 
Sect:  3    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
========== ========= ========  ================  ============
      5         0        95           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SLIGHTLY SILTY CLAY                                         
Screen Lith    : CLAY MINERAL RICH CLAY                                      
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole:  27A  Depth Top of Layer(m)   :   63.00    Age: 
Core:   4   Depth Bottom of Layer(m):   64.50    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       100           /                  
 
Processing Hist: 
Shipboard Lith : CLAY                                                        
Screen Lith    : CLASTIC SEDIMENT.                                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1480  Age: 
Hole:  27A  Depth Top of Layer(m)   :   64.50    Age: 
Core:   4   Depth Bottom of Layer(m):   65.98    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
========== ========= ========  ================  ============
      0         0       100           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY                                                        
Screen Lith    : FECAL PELLET RICH CLAY MINERAL RICH SANDY MUD               
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/ 620  Age: 
Hole:  27A  Depth Top of Layer(m)   :   66.00    Age: 
Core:   4   Depth Bottom of Layer(m):   66.62    Age: 
Sect:  3    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
========== ========= ========  ================  ============
      0         0       100           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY                                                        
Screen Lith    : QUARTZ RICH CLAY MINERAL RICH MUD                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :  620/ 970  Age: 
Hole:  27A  Depth Top of Layer(m)   :   66.62    Age: 
Core:   4   Depth Bottom of Layer(m):   66.97    Age: 
Sect:  3    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       100           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SANDY SILT+SAND                                             
Screen Lith    : FELDSPAR RICH QUARTZ RICH SANDY MUD                         
 
 
 
Leg :  4    Top/Bottom Interval(mm) :  970/1500  Age: 
Hole:  27A  Depth Top of Layer(m)   :   66.97    Age: 
Core:   4   Depth Bottom of Layer(m):   67.50    Age: 
Sect:  3    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
========== ========= ========  ================  ============
      8         0        93           /                  
 
Processing Hist: 
Shipboard Lith : CLAY                                                        
Screen Lith    : CLASTIC SEDIMENT.                                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   80/ 600  Age: 
Hole:  27A  Depth Top of Layer(m)   :   67.58    Age: 
Core:   4   Depth Bottom of Layer(m):   68.10    Age: 
Sect:  4    Thickness of Layer(m)   :    0.52
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0       100           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILT                                                        
Screen Lith    : PLANT DEBRIS RICH QUARTZ RICH SAND                          
 
 
 
Leg :  4    Top/Bottom Interval(mm) :  600/1500  Age: 
Hole:  27A  Depth Top of Layer(m)   :   68.10    Age: 
Core:   4   Depth Bottom of Layer(m):   69.00    Age: 
Sect:  4    Thickness of Layer(m)   :    0.90
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     13         0        88           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY                                                        
Screen Lith    : QUARTZ RICH CLAY MINERAL RICH MUD                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole:  27A  Depth Top of Layer(m)   :   69.00    Age: 
Core:   4   Depth Bottom of Layer(m):   70.50    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 : CLAY                                                        
Screen Lith    : QUARTZ RICH CLAY MINERAL RICH MUD                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole:  27A  Depth Top of Layer(m)   :   70.50    Age: 
Core:   4   Depth Bottom of Layer(m):   72.00    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        10        90           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY                                                        
Screen Lith    : QUARTZ RICH CLAY MINERAL RICH MUD                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/ 500  Age: 
Hole:  27A  Depth Top of Layer(m)   :   72.00    Age: 
Core:   5   Depth Bottom of Layer(m):   72.50    Age: 
Sect:  1    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
========== ========= ========  ================  ============
      1         0         0           /                  
 
Processing Hist: 
Shipboard Lith : CLAY                                                        
Screen Lith    : CLASTIC SEDIMENT.                                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   70/1500  Age: 
Hole:  27A  Depth Top of Layer(m)   :   73.57    Age: 
Core:   5   Depth Bottom of Layer(m):   75.00    Age: 
Sect:  2    Thickness of Layer(m)   :    1.43
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0       100           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY                                                        
Screen Lith    : CLAY MINERAL RICH QUARTZ RICH MUD                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole:  27A  Depth Top of Layer(m)   :   75.00    Age: 
Core:   5   Depth Bottom of Layer(m):   76.50    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
========== ========= ========  ================  ============
      1         0       100           /                  
 
Processing Hist: 
Shipboard Lith : CLAY                                                        
Screen Lith    : CLASTIC SEDIMENT.                                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole:  27A  Depth Top of Layer(m)   :   76.50    Age: 
Core:   5   Depth Bottom of Layer(m):   78.00    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       100           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY                                                        
Screen Lith    : CLAY MINERAL RICH MUD                                       
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole:  27A  Depth Top of Layer(m)   :   78.00    Age: 
Core:   5   Depth Bottom of Layer(m):   79.50    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         2        98           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY                                                        
Screen Lith    : CARBONATE RICH CLAY MINERAL RICH MUD
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