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NOAA/NGDC
WDC MGG Seafloor Series Vol I

Core Data from the Deep Sea Drilling Project


Leg :  4    Top/Bottom Interval(mm) :  550/1500  Age: PLEISTOCENE
Hole:  23   Depth Top of Layer(m)   :    0.55    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):    1.50    Age: 
Sect:  1    Thickness of Layer(m)   :    0.95
 
       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 : CLAY                                                        
Screen Lith    : CLAY                                                        
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: PLEISTOCENE
Hole:  23   Depth Top of Layer(m)   :    1.50    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):    3.00    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: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY                                                        
Screen Lith    : CLAY                                                        
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: PLEISTOCENE
Hole:  23   Depth Top of Layer(m)   :    3.00    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):    4.50    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
========== ========= ========  ================  ============
    100         0         0           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : FORAM SAND                                                  
Screen Lith    : FORAMINIFERA OOZE                                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/ 480  Age: PLEISTOCENE
Hole:  23   Depth Top of Layer(m)   :    4.50    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):    4.98    Age: 
Sect:  4    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
========== ========= ========  ================  ============
     98         0         2           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : FORAM SAND                                                  
Screen Lith    : FORAMINIFERA OOZE                                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :  480/ 910  Age: PLEISTOCENE
Hole:  23   Depth Top of Layer(m)   :    4.98    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):    5.41    Age: 
Sect:  4    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 : CLAY                                                        
Screen Lith    : CALCAREOUS OOZE.                                            
 
 
 
Leg :  4    Top/Bottom Interval(mm) :  910/1500  Age: PLEISTOCENE
Hole:  23   Depth Top of Layer(m)   :    5.41    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):    6.00    Age: 
Sect:  4    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 : CLAY                                                        
Screen Lith    : CALCAREOUS OOZE.                                            
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: PLEISTOCENE
Hole:  23   Depth Top of Layer(m)   :    6.00    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):    7.50    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
========== ========= ========  ================  ============
     70         0        30           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : FORAM SAND                                                  
Screen Lith    : CLAY MINERAL RICH FORAMINIFERA OOZE                         
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole:  23   Depth Top of Layer(m)   :   53.30    Age: UPPER MIOCENE
Core:   2   Depth Bottom of Layer(m):   54.80    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
========== ========= ========  ================  ============
      3         0        97           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY                                                        
Screen Lith    : ZEOLITE RICH CLAY MINERAL RICH PELAGIC CLAY                 
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE MIOCENE
Hole:  23   Depth Top of Layer(m)   :   63.90    Age: MIDDLE MIOCENE
Core:   3   Depth Bottom of Layer(m):   65.40    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
========== ========= ========  ================  ============
      4         0        96           /                  
 
Processing Hist: 
Shipboard Lith : CLAY                                                        
Screen Lith    : DETRITAL SEDIMENT.                                          
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE MIOCENE
Hole:  23   Depth Top of Layer(m)   :   65.40    Age: MIDDLE MIOCENE
Core:   3   Depth Bottom of Layer(m):   66.90    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
========== ========= ========  ================  ============
      2         0        98           /                  
 
Processing Hist: 
Shipboard Lith : CLAY                                                        
Screen Lith    : DETRITAL SEDIMENT.                                          
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/ 140  Age: LOWER MIOCENE
Hole:  23   Depth Top of Layer(m)   :  112.00    Age: LOWER MIOCENE
Core:   4   Depth Bottom of Layer(m):  112.14    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
========== ========= ========  ================  ============
      2         0        98           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY                                                        
Screen Lith    : CLAY MINERAL RICH CLAY                                      
 
 
 
Leg :  4    Top/Bottom Interval(mm) :  330/1430  Age: LOWER MIOCENE
Hole:  23   Depth Top of Layer(m)   :  115.33    Age: LOWER MIOCENE
Core:   4   Depth Bottom of Layer(m):  116.43    Age: 
Sect:  3    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
========== ========= ========  ================  ============
      4         0        96       1.69/ 60             98
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY                                                        
Screen Lith    : CLAY MINERAL RICH CLAY                                      
 
 
 
Leg :  4    Top/Bottom Interval(mm) :  500/1420  Age: LOWER MIOCENE
Hole:  23   Depth Top of Layer(m)   :  117.00    Age: LOWER MIOCENE
Core:   4   Depth Bottom of Layer(m):  117.92    Age: 
Sect:  4    Thickness of Layer(m)   :    0.92
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      4         0        96       1.50/ 72             98
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY                                                        
Screen Lith    : CLAY MINERAL RICH CLAY                                      
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/1500  Age: LOWER MIOCENE
Hole:  23   Depth Top of Layer(m)   :  118.00    Age: LOWER MIOCENE
Core:   4   Depth Bottom of Layer(m):  119.50    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
========== ========= ========  ================  ============
      6         0        94       1.33/ 82            108
 
Processing Hist: Classification was successful.
Shipboard Lith : ****** NO LITH GIVEN ***                                    
Screen Lith    : GLAUCONITE RICH CLAY MINERAL RICH MUD                       
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/ 150  Age: LOWER MIOCENE
Hole:  23   Depth Top of Layer(m)   :  121.00    Age: LOWER MIOCENE
Core:   5   Depth Bottom of Layer(m):  121.15    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
========== ========= ========  ================  ============
     20         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MUD SAND WITH FORAM SAND                                    
Screen Lith    : CLASTIC SEDIMENT.                                           
 
 
 
Leg :  4    Top/Bottom Interval(mm) :  150/ 410  Age: LOWER MIOCENE
Hole:  23   Depth Top of Layer(m)   :  121.15    Age: LOWER MIOCENE
Core:   5   Depth Bottom of Layer(m):  121.41    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
========== ========= ========  ================  ============
     20         0        80           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY                                                  
Screen Lith    : FORAMINIFERA RICH CLAY MINERAL RICH SANDY MUD               
 
 
 
Leg :  4    Top/Bottom Interval(mm) :  410/ 490  Age: LOWER MIOCENE
Hole:  23   Depth Top of Layer(m)   :  121.41    Age: LOWER MIOCENE
Core:   5   Depth Bottom of Layer(m):  121.49    Age: 
Sect:  1    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        80           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SAND                                                        
Screen Lith    : SAND                                                        
 
 
 
Leg :  4    Top/Bottom Interval(mm) :   00/ 450  Age: 
Hole:  23   Depth Top of Layer(m)   :  184.00    Age: 
Core:   7   Depth Bottom of Layer(m):  184.45    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: Classification failed; no smear slide data exists.
Shipboard Lith : AMYSDOLOIDAL BASALT                                         
Screen Lith    : AMYSDOLOIDAL BASALT                                         
 
 
 
Leg :  4    Top/Bottom Interval(mm) :    0/   0  Age: 
Hole:  23   Depth Top of Layer(m)   :  199.10    Age: 
Core:   9   Depth Bottom of Layer(m):  199.10    Age: 
Sect: CC    Thickness of Layer(m)   :    0.00
 
       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: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT                                                      
Screen Lith    : BASALT

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These Web pages are from the Core Data from the Deep Sea Drilling Project Legs 1-96 CD-ROM produced 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, and collocated World Data Center for Marine Geology and Geophysics, Boulder. Data were compiled in cooperation with the U.S. Science Support Program, the Joint Oceanographic Institutions, Inc., and the U.S. National Science Foundation. Please see the NGDC privacy, disclaimer, and copyright notices.