Core Data from the Deep Sea Drilling Project

Leg :  6    Top/Bottom Interval(mm) :   00/1500  Age: PLEISTOCENE
Hole:  51A  Depth Top of Layer(m)   :   22.90    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):   24.40    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
========== ========= ========  ================  ============
     25        40        98       1.33/ 82            146
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOMACEOUS VOLCANIC SAND                                  
Screen Lith    : DIATOM RICH MUDDY SILICEOUS OOZE                            
 
 
 
Leg :  6    Top/Bottom Interval(mm) :   00/ 250  Age: PLEISTOCENE
Hole:  51A  Depth Top of Layer(m)   :   24.40    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):   24.65    Age: 
Sect:  2    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
========== ========= ========  ================  ============
     25        40        98       1.38/ 79             24
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOM RADIOLARIAN VOLCANIC SAND                            
Screen Lith    : DIATOM RICH MUDDY SILICEOUS OOZE                            
 
 
 
Leg :  6    Top/Bottom Interval(mm) :  250/ 600  Age: PLEISTOCENE
Hole:  51A  Depth Top of Layer(m)   :   24.65    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):   25.00    Age: 
Sect:  2    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        56        44       1.38/ 79             37
 
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM RADIOLARIAN VOLCANIC SAND                            
Screen Lith    : RADIOLARIA RICH SILICEOUS FOSSIL RICH MUDDY SILICEOUS OOZE  
 
 
 
Leg :  6    Top/Bottom Interval(mm) :  600/ 800  Age: PLEISTOCENE
Hole:  51A  Depth Top of Layer(m)   :   25.00    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):   25.20    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
========== ========= ========  ================  ============
      1        17        82       1.42/ 77             22
 
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM RADIOLARIAN VOLCANIC SAND                            
Screen Lith    : CLAY MINERAL RICH MUD                                       
 
 
 
Leg :  6    Top/Bottom Interval(mm) :  800/1200  Age: PLEISTOCENE
Hole:  51A  Depth Top of Layer(m)   :   25.20    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):   25.60    Age: 
Sect:  2    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
========== ========= ========  ================  ============
     25        40        82       1.43/ 76             42
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOM RADIOLARIAN VOLCANIC SAND                            
Screen Lith    : DIATOM RICH MUDDY SILICEOUS OOZE                            
 
 
 
Leg :  6    Top/Bottom Interval(mm) : 1200/1500  Age: PLEISTOCENE
Hole:  51A  Depth Top of Layer(m)   :   25.60    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):   25.90    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        31        69       1.26/ 86             32
 
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM RADIOLARIAN VOLCANIC SAND                            
Screen Lith    : TERRIGENOUS DETRITUS RICH DIATOM MUD                        
 
 
 
Leg :  6    Top/Bottom Interval(mm) :   40/ 230  Age: PLEISTOCENE
Hole:  51A  Depth Top of Layer(m)   :   25.94    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):   26.13    Age: 
Sect:  3    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        69       1.39/ 78             20
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : BLACK MUD AND SILTY VOLCANIC MUD                            
Screen Lith    : VOLC MATERIAL FRAG RICH MUD                                 
 
 
 
Leg :  6    Top/Bottom Interval(mm) :  670/1120  Age: PLEISTOCENE
Hole:  51A  Depth Top of Layer(m)   :   26.57    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):   27.02    Age: 
Sect:  3    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        69       1.30/ 83             48
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : VOLCANIC SILTY MUD                                          
Screen Lith    : VOLC MATERIAL FRAG RICH MUD                                 
 
 
 
Leg :  6    Top/Bottom Interval(mm) : 1120/1500  Age: PLEISTOCENE
Hole:  51A  Depth Top of Layer(m)   :   27.02    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):   27.40    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        69       1.32/ 83             31
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : VOLCANIC SILTY MUD                                          
Screen Lith    : VOLC MATERIAL FRAG RICH MUD                                 
 
 
 
Leg :  6    Top/Bottom Interval(mm) :   00/1500  Age: PLEISTOCENE
Hole:  51A  Depth Top of Layer(m)   :   27.40    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):   28.90    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        30        70       1.44/ 75            157
 
Processing Hist: Classification was successful.
Shipboard Lith : MUDDY DIATOM RADIOLARIAN VOLCANIC SAND                      
Screen Lith    : GLASS RICH CLAY MINERAL RICH SANDY MUD                      
 
 
 
Leg :  6    Top/Bottom Interval(mm) :   00/ 500  Age: PLEISTOCENE
Hole:  51A  Depth Top of Layer(m)   :   28.90    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):   29.40    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        10        90       1.47/ 74             51
 
Processing Hist: Classification was successful.
Shipboard Lith : SANDY VOLCANIC MUD                                          
Screen Lith    : GLASS RICH TERRIGENOUS DETRITUS RICH SANDY MUD              
 
 
 
Leg :  6    Top/Bottom Interval(mm) :  500/1050  Age: PLEISTOCENE
Hole:  51A  Depth Top of Layer(m)   :   29.40    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):   29.95    Age: 
Sect:  5    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        35        65       1.41/ 77             58
 
Processing Hist: Classification was successful.
Shipboard Lith : SANDY DIATOM RADIOLARIAN VOLCANIC MUD                       
Screen Lith    : SILICEOUS FOSSIL RICH  SILICEOUS MUD                        
 
 
 
Leg :  6    Top/Bottom Interval(mm) : 1050/1500  Age: UPPER PLIOCENE
Hole:  51A  Depth Top of Layer(m)   :   29.95    Age: UPPER PLIOCENE
Core:   1   Depth Bottom of Layer(m):   30.40    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        65       1.40/ 78             44
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SANDY VOLCANIC MUD                                          
Screen Lith    : VOLC MATERIAL FRAG RICH MUD                                 
 
 
 
Leg :  6    Top/Bottom Interval(mm) :   00/ 900  Age: UPPER PLIOCENE
Hole:  51A  Depth Top of Layer(m)   :   30.40    Age: UPPER PLIOCENE
Core:   1   Depth Bottom of Layer(m):   31.30    Age: 
Sect:  6    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
========== ========= ========  ================  ============
      1        14        85       1.40/ 77             91
 
Processing Hist: Classification was successful.
Shipboard Lith : SANDY VOLCANIC MUD                                          
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD             
 
 
 
Leg :  6    Top/Bottom Interval(mm) :  900/1430  Age: UPPER PLIOCENE
Hole:  51A  Depth Top of Layer(m)   :   31.30    Age: UPPER PLIOCENE
Core:   1   Depth Bottom of Layer(m):   31.83    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        18        82       1.42/ 76             51
 
Processing Hist: Classification was successful.
Shipboard Lith : SANDY DIATOM RADIOLARIAN VOLCANIC MUD                       
Screen Lith    : GLASS RICH CLAY MINERAL RICH SANDY MUD                      
 
 
 
Leg :  6    Top/Bottom Interval(mm) :  840/1500  Age: 
Hole:  51A  Depth Top of Layer(m)   :  121.54    Age: 
Core:   2   Depth Bottom of Layer(m):  122.20    Age: 
Sect:  1    Thickness of Layer(m)   :    0.66
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      1         0       100       1.43/ 76             49
 
Processing Hist: Classification was successful.
Shipboard Lith : ZEOLITIC MUD                                                
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD             
 
 
 
Leg :  6    Top/Bottom Interval(mm) :   00/1300  Age: 
Hole:  51A  Depth Top of Layer(m)   :  122.20    Age: 
Core:   2   Depth Bottom of Layer(m):  123.50    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       100           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : RED CLAY                                                    
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS 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