Core Data from the Deep Sea Drilling Project

Leg :  6    Top/Bottom Interval(mm) :  450/1500  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :    5.35    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):    6.40    Age: 
Sect:  1    Thickness of Layer(m)   :    1.05
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0        20       1.43/ 76            108
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY                                                        
Screen Lith    : CLAY                                                        
 
 
 
Leg :  6    Top/Bottom Interval(mm) :   00/ 250  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :    7.90    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):    8.15    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
========== ========= ========  ================  ============
     50        35        20       1.41/ 77             23
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOM-NANNO CLAY                                           
Screen Lith    : DIATOM RICH CARBONATE RICH NANNOFOSSIL OOZE                 
 
 
 
Leg :  6    Top/Bottom Interval(mm) :  250/ 480  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :    8.15    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):    8.38    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
========== ========= ========  ================  ============
     59        22        19       1.49/ 73             25
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNO PLANKTON MARL OOZE                                    
Screen Lith    : DIATOM RICH CARBONATE RICH NANNOFOSSIL OOZE                 
 
 
 
Leg :  6    Top/Bottom Interval(mm) :  480/ 600  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :    8.38    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):    8.50    Age: 
Sect:  3    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       1.44/ 75             13
 
Processing Hist: 
Shipboard Lith : DIATOM-NANNO CLAY                                           
Screen Lith    : DIATOM RICH CARBONATE RICH NANNOFOSSIL OOZE                 
 
 
 
Leg :  6    Top/Bottom Interval(mm) :  600/1100  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :    8.50    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):    9.00    Age: 
Sect:  3    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       1.49/ 72             53
 
Processing Hist: 
Shipboard Lith : NANNOPLANKTON MARL OOZE                                     
Screen Lith    : DIATOM RICH CARBONATE RICH NANNOFOSSIL OOZE                 
 
 
 
Leg :  6    Top/Bottom Interval(mm) : 1100/1500  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :    9.00    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):    9.40    Age: 
Sect:  3    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
========== ========= ========  ================  ============
     44        29        27       1.44/ 75             42
 
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM-NANNO CLAY                                           
Screen Lith    : DIATOM RICH CARBONATE RICH NANNOFOSSIL OOZE                 
 
 
 
Leg :  6    Top/Bottom Interval(mm) :   30/ 100  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :    9.43    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):    9.50    Age: 
Sect:  4    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
========== ========= ========  ================  ============
      4        15        81           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SANDY ZEOLITIC-DIATOM VOLCANIC ASH                          
Screen Lith    : CLAY MINERAL RICH GLASS RICH SANDY MUD                      
 
 
 
Leg :  6    Top/Bottom Interval(mm) :  100/1450  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :    9.50    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):   10.85    Age: 
Sect:  4    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         9        92       1.45/ 74            129
 
Processing Hist: 
Shipboard Lith : NANNO PLANKTON MARL MUD                                     
Screen Lith    : CLASTIC SEDIMENT.                                           
 
 
 
Leg :  6    Top/Bottom Interval(mm) : 1450/1500  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :   10.85    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):   10.90    Age: 
Sect:  4    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       1.43/ 76              5
 
Processing Hist: 
Shipboard Lith : MUD                                                         
Screen Lith    : CLASTIC SEDIMENT.                                           
 
 
 
Leg :  6    Top/Bottom Interval(mm) :   00/ 210  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :   10.90    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):   11.11    Age: 
Sect:  5    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
========== ========= ========  ================  ============
     26        13        62           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNOPLANKTON MARL MUD                                      
Screen Lith    : NANNOFOSSIL RICH CLAY MINERAL RICH MUD                      
 
 
 
Leg :  6    Top/Bottom Interval(mm) :  210/1500  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :   11.11    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):   12.40    Age: 
Sect:  5    Thickness of Layer(m)   :    1.29
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     30         4        66       1.45/ 74            131
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNOPLANKTON MUD                                           
Screen Lith    : NANNOFOSSIL RICH CLAY MINERAL RICH MUD                      
 
 
 
Leg :  6    Top/Bottom Interval(mm) :   00/1300  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :   12.40    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):   13.70    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
========== ========= ========  ================  ============
     14         0         0       1.44/ 75            126
 
Processing Hist: 
Shipboard Lith : NANNOPLANKTON MARL MUD                                      
Screen Lith    : CLASTIC SEDIMENT.                                           
 
 
 
Leg :  6    Top/Bottom Interval(mm) : 1300/1500  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :   13.70    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):   13.90    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
========== ========= ========  ================  ============
      8         2        90       1.44/ 75             21
 
Processing Hist: Classification was successful.
Shipboard Lith : VOLCANIC SANDY MUD                                          
Screen Lith    : CLAY MINERAL RICH GLASS RICH SANDY MUD                      
 
 
 
Leg :  6    Top/Bottom Interval(mm) :  950/1500  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :   15.25    Age: PLEISTOCENE
Core:   2   Depth Bottom of Layer(m):   15.80    Age: 
Sect:  1    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
========== ========= ========  ================  ============
     19         0         0       1.34/ 81             54
 
Processing Hist: 
Shipboard Lith : MUD                                                         
Screen Lith    : CLASTIC SEDIMENT.                                           
 
 
 
Leg :  6    Top/Bottom Interval(mm) :   00/1500  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :   15.80    Age: PLEISTOCENE
Core:   2   Depth Bottom of Layer(m):   17.30    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
========== ========= ========  ================  ============
      1        18        81       1.39/ 78            140
 
Processing Hist: Classification was successful.
Shipboard Lith : SANDY VOLCANIC MUD                                          
Screen Lith    : GLASS RICH CLAY MINERAL RICH SANDY MUD                      
 
 
 
Leg :  6    Top/Bottom Interval(mm) :   00/1500  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :   17.30    Age: PLEISTOCENE
Core:   2   Depth Bottom of Layer(m):   18.80    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         5        94       1.40/ 78            158
 
Processing Hist: Classification was successful.
Shipboard Lith : RED CLAY WITH VOLCANIC GLASS                                
Screen Lith    : GLASS RICH CLAY MINERAL RICH MUD                            
 
 
 
Leg :  6    Top/Bottom Interval(mm) :   00/ 280  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :   18.80    Age: PLEISTOCENE
Core:   2   Depth Bottom of Layer(m):   19.08    Age: 
Sect:  4    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       1.45/ 75             27
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY WITH VOLCANIC GLASS                                    
Screen Lith    : GLASS RICH CLAY MINERAL RICH MUD                            
 
 
 
Leg :  6    Top/Bottom Interval(mm) :  280/1150  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :   19.08    Age: PLEISTOCENE
Core:   2   Depth Bottom of Layer(m):   19.95    Age: 
Sect:  4    Thickness of Layer(m)   :    0.87
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0       100       1.39/ 78             93
 
Processing Hist: Classification was successful.
Shipboard Lith : ZEOLITIC CLAY                                               
Screen Lith    : ZEOLITE RICH CLAY MINERAL RICH PELAGIC CLAY                 
 
 
 
Leg :  6    Top/Bottom Interval(mm) : 1150/1400  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :   19.95    Age: PLEISTOCENE
Core:   2   Depth Bottom of Layer(m):   20.20    Age: 
Sect:  4    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       100       1.33/ 82             27
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY WITH VOLCANIC GLASS                                    
Screen Lith    : ZEOLITE RICH CLAY MINERAL RICH PELAGIC CLAY                 
 
 
 
Leg :  6    Top/Bottom Interval(mm) :   00/1500  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :   20.30    Age: PLEISTOCENE
Core:   2   Depth Bottom of Layer(m):   21.80    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       100       1.32/ 82            157
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY                                                        
Screen Lith    : ZEOLITE RICH CLAY MINERAL RICH PELAGIC CLAY                 
 
 
 
Leg :  6    Top/Bottom Interval(mm) :   00/1500  Age: PLEISTOCENE
Hole:  50A  Depth Top of Layer(m)   :   23.20    Age: PLEISTOCENE
Core:   3   Depth Bottom of Layer(m):   24.70    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       1.21/ 89            157
 
Processing Hist: Classification was successful.
Shipboard Lith : ZEOLITIC CLAY                                               
Screen Lith    : ZEOLITE RICH CLAY MINERAL RICH PELAGIC CLAY                 
 
 
 
Leg :  6    Top/Bottom Interval(mm) :   00/1500  Age: TERTIARY
Hole:  50A  Depth Top of Layer(m)   :   24.70    Age: TERTIARY
Core:   3   Depth Bottom of Layer(m):   26.20    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       1.31/ 83            158
 
Processing Hist: Classification was successful.
Shipboard Lith : ZEOLITE CLAY                                                
Screen Lith    : ZEOLITE RICH CLAY MINERAL RICH PELAGIC CLAY                 
 
 
 
Leg :  6    Top/Bottom Interval(mm) :   00/1500  Age: TERTIARY
Hole:  50A  Depth Top of Layer(m)   :   26.20    Age: TERTIARY
Core:   3   Depth Bottom of Layer(m):   27.70    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       100       1.32/ 83            153
 
Processing Hist: Classification was successful.
Shipboard Lith : ZEOLITIC MUD                                                
Screen Lith    : ZEOLITE RICH CLAY MINERAL RICH PELAGIC CLAY                 
 
 
 
Leg :  6    Top/Bottom Interval(mm) :   00/1500  Age: TERTIARY
Hole:  50A  Depth Top of Layer(m)   :   27.70    Age: TERTIARY
Core:   3   Depth Bottom of Layer(m):   29.20    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       1.37/ 80            158
 
Processing Hist: Classification was successful.
Shipboard Lith : ZEOLITIC MUD                                                
Screen Lith    : ZEOLITE RICH CLAY MINERAL RICH PELAGIC CLAY                 
 
 
 
Leg :  6    Top/Bottom Interval(mm) :   00/1500  Age: TERTIARY
Hole:  50A  Depth Top of Layer(m)   :   29.20    Age: TERTIARY
Core:   3   Depth Bottom of Layer(m):   30.70    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       100       1.39/ 78            158
 
Processing Hist: Classification was successful.
Shipboard Lith : ZEOLITIC MUD                                                
Screen Lith    : ZEOLITE RICH CLAY MINERAL RICH PELAGIC CLAY                 
 
 
 
Leg :  6    Top/Bottom Interval(mm) :   00/ 800  Age: TERTIARY
Hole:  50A  Depth Top of Layer(m)   :   30.70    Age: TERTIARY
Core:   3   Depth Bottom of Layer(m):   31.50    Age: 
Sect:  6    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       100       1.39/ 78             83
 
Processing Hist: Classification was successful.
Shipboard Lith : ZEOLITIC MUD                                                
Screen Lith    : ZEOLITE RICH CLAY MINERAL RICH PELAGIC CLAY                 
 
 
 
Leg :  6    Top/Bottom Interval(mm) :  800/1500  Age: TERTIARY
Hole:  50A  Depth Top of Layer(m)   :   31.50    Age: TERTIARY
Core:   3   Depth Bottom of Layer(m):   32.20    Age: 
Sect:  6    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       100       1.36/ 80             74
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY ZEOLITIC MUD                                          
Screen Lith    : ZEOLITE RICH CLAY MINERAL RICH PELAGIC CLAY                 
 
 
 
Leg :  6    Top/Bottom Interval(mm) :  500/ 900  Age: CRETACEOUS
Hole:  50A  Depth Top of Layer(m)   :   32.80    Age: CRETACEOUS
Core:   4   Depth Bottom of Layer(m):   33.20    Age: 
Sect:  1    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       100           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : ZEOLITIC MUD                                                
Screen Lith    : ZEOLITE RICH CLAY MINERAL RICH PELAGIC CLAY
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