Core Data from the Deep Sea Drilling Project

Leg : 31    Top/Bottom Interval(mm) :   00/1140  Age: UPPER PLIOCENE
Hole: 291   Depth Top of Layer(m)   :    0.00    Age: UPPER PLIOCENE
Core:   1   Depth Bottom of Layer(m):    1.14    Age: 
Sect:  1    Thickness of Layer(m)   :    1.14
 
       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: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : ****** NO LITH GIVEN ***                                    
Screen Lith    : MUD                                                         
 
 
 
Leg : 31    Top/Bottom Interval(mm) : 1140/1500  Age: UPPER PLIOCENE
Hole: 291   Depth Top of Layer(m)   :    1.14    Age: UPPER PLIOCENE
Core:   1   Depth Bottom of Layer(m):    1.50    Age: 
Sect:  1    Thickness of Layer(m)   :    0.36
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2         4        94           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILT RICH ZEOLITE CLAY                                      
Screen Lith    : ZEOLITE RICH CLAY MINERAL RICH PELAGIC CLAY                 
 
 
 
Leg : 31    Top/Bottom Interval(mm) :   00/ 350  Age: UPPER OLIGOCENE
Hole: 291   Depth Top of Layer(m)   :   60.00    Age: UPPER OLIGOCENE
Core:   2   Depth Bottom of Layer(m):   60.35    Age: 
Sect:  1    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 : ****** NO LITH GIVEN ***                                    
Screen Lith    : ZEOLITE RICH CLAY MINERAL RICH PELAGIC CLAY                 
 
 
 
Leg : 31    Top/Bottom Interval(mm) :  350/1150  Age: UPPER OLIGOCENE
Hole: 291   Depth Top of Layer(m)   :   60.35    Age: UPPER OLIGOCENE
Core:   2   Depth Bottom of Layer(m):   61.15    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         3        97           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILT RICH ZEOLITE CLAY                                      
Screen Lith    : ZEOLITE RICH CLAY MINERAL RICH PELAGIC CLAY                 
 
 
 
Leg : 31    Top/Bottom Interval(mm) : 1150/1500  Age: UPPER OLIGOCENE
Hole: 291   Depth Top of Layer(m)   :   61.15    Age: UPPER OLIGOCENE
Core:   2   Depth Bottom of Layer(m):   61.50    Age: 
Sect:  1    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
========== ========= ========  ================  ============
      1         0        99           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY ZEOLITIC CLAY                                         
Screen Lith    : ZEOLITE RICH CLAY MINERAL RICH PELAGIC CLAY                 
 
 
 
Leg : 31    Top/Bottom Interval(mm) :   00/1500  Age: UPPER OLIGOCENE
Hole: 291   Depth Top of Layer(m)   :   61.50    Age: UPPER OLIGOCENE
Core:   2   Depth Bottom of Layer(m):   63.00    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
========== ========= ========  ================  ============
     70         0        30       1.45/ 75            138
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNO OOZE                                                  
Screen Lith    : NANNOFOSSIL OOZE                                            
 
 
 
Leg : 31    Top/Bottom Interval(mm) :   00/ 910  Age: LOWER OLIGOCENE
Hole: 291   Depth Top of Layer(m)   :   79.00    Age: LOWER OLIGOCENE
Core:   3   Depth Bottom of Layer(m):   79.91    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 : ****** NO LITH GIVEN ***                                    
Screen Lith    : CALCAREOUS OOZE.                                            
 
 
 
Leg : 31    Top/Bottom Interval(mm) :  910/1150  Age: LOWER OLIGOCENE
Hole: 291   Depth Top of Layer(m)   :   79.91    Age: LOWER OLIGOCENE
Core:   3   Depth Bottom of Layer(m):   80.15    Age: 
Sect:  1    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
========== ========= ========  ================  ============
     80         0        20           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY RICH MANNO OOZE                                        
Screen Lith    : CLAY MINERAL RICH NANNOFOSSIL OOZE                          
 
 
 
Leg : 31    Top/Bottom Interval(mm) : 1150/1500  Age: UPPER EOCENE
Hole: 291   Depth Top of Layer(m)   :   80.15    Age: UPPER EOCENE
Core:   3   Depth Bottom of Layer(m):   80.50    Age: 
Sect:  1    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        38        62           /                  
 
Processing Hist: 
Shipboard Lith : CLAYEY RAD OOZE                                             
Screen Lith    : CALCAREOUS OOZE.                                            
 
 
 
Leg : 31    Top/Bottom Interval(mm) :   00/ 450  Age: UPPER EOCENE
Hole: 291   Depth Top of Layer(m)   :   98.00    Age: UPPER EOCENE
Core:   4   Depth Bottom of Layer(m):   98.45    Age: 
Sect:  1    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           /                  
 
Processing Hist: 
Shipboard Lith : SILTY CLAY                                                  
Screen Lith    : CALCAREOUS OOZE.                                            
 
 
 
Leg : 31    Top/Bottom Interval(mm) :  450/ 750  Age: UPPER EOCENE
Hole: 291   Depth Top of Layer(m)   :   98.45    Age: UPPER EOCENE
Core:   4   Depth Bottom of Layer(m):   98.75    Age: 
Sect:  1    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
========== ========= ========  ================  ============
     58        41         1           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY RAD RICH NANNO OOZE                                    
Screen Lith    : SPICULE RICH NANNOFOSSIL OOZE                               
 
 
 
Leg : 31    Top/Bottom Interval(mm) :  750/1210  Age: UPPER EOCENE
Hole: 291   Depth Top of Layer(m)   :   98.75    Age: UPPER EOCENE
Core:   4   Depth Bottom of Layer(m):   99.21    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         1           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : OOZE CLAY ZONE                                              
Screen Lith    : CLAY                                                        
 
 
 
Leg : 31    Top/Bottom Interval(mm) : 1210/1500  Age: UPPER EOCENE
Hole: 291   Depth Top of Layer(m)   :   99.21    Age: UPPER EOCENE
Core:   4   Depth Bottom of Layer(m):   99.50    Age: 
Sect:  1    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         1           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNO RAD BEARING CLAY                                      
Screen Lith    : NANNOFOSSIL RICH CLAY                                       
 
 
 
Leg : 31    Top/Bottom Interval(mm) :   00/1500  Age: UPPER EOCENE
Hole: 291   Depth Top of Layer(m)   :   99.50    Age: UPPER EOCENE
Core:   4   Depth Bottom of Layer(m):  101.00    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
========== ========= ========  ================  ============
     10        16        74       1.17/ 91            146
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNO RAD BEARING CLAY                                      
Screen Lith    : RADIOLARIA RICH CLAY MINERAL RICH CLAY                      
 
 
 
Leg : 31    Top/Bottom Interval(mm) :   00/1500  Age: UPPER EOCENE
Hole: 291   Depth Top of Layer(m)   :  101.00    Age: UPPER EOCENE
Core:   4   Depth Bottom of Layer(m):  102.50    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
========== ========= ========  ================  ============
      5         9        86       1.24/ 87            146
 
Processing Hist: Classification was successful.
Shipboard Lith : RAD BEARING ZEOLITE RICH CLAY                               
Screen Lith    : CLAY MINERAL RICH CLAY                                      
 
 
 
Leg : 31    Top/Bottom Interval(mm) :   00/ 720  Age: UPPER EOCENE
Hole: 291   Depth Top of Layer(m)   :  102.50    Age: UPPER EOCENE
Core:   4   Depth Bottom of Layer(m):  103.22    Age: 
Sect:  4    Thickness of Layer(m)   :    0.72
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       1.41/ 77             70
 
Processing Hist: 
Shipboard Lith : RAD BEARING ZEOLITE RICH CLAY                               
Screen Lith    : DETRITAL SEDIMENT.                                          
 
 
 
Leg : 31    Top/Bottom Interval(mm) :  720/1500  Age: UPPER EOCENE
Hole: 291   Depth Top of Layer(m)   :  103.22    Age: UPPER EOCENE
Core:   4   Depth Bottom of Layer(m):  104.00    Age: 
Sect:  4    Thickness of Layer(m)   :    0.78
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2         2        96       1.32/ 82             76
 
Processing Hist: Classification was successful.
Shipboard Lith : FERRUGINOUS ZEOLITE RICH CLAY                               
Screen Lith    : IRON 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