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NOAA/NGDC
WDC MGG Seafloor Series Vol I

Core Data from the Deep Sea Drilling Project


Leg :  3    Top/Bottom Interval(mm) :   00/1500  Age: PLEISTOCENE
Hole:  20A  Depth Top of Layer(m)   :    0.00    Age: PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):    1.50    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
========== ========= ========  ================  ============
     15         0        85           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : ****** NO LITH GIVEN ***                                    
Screen Lith    : CLAY MINERAL RICH CLAY                                      
 
 
 
Leg :  3    Top/Bottom Interval(mm) :  300/1500  Age: 
Hole:  20A  Depth Top of Layer(m)   :   15.30    Age: 
Core:   2   Depth Bottom of Layer(m):   16.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.20
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     50        35        85       1.69/ 60            127
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNO CHALK OOZE                                            
Screen Lith    : AUTHIGENIC CARBONATE OOZE                                   
 
 
 
Leg :  3    Top/Bottom Interval(mm) :   00/1500  Age: UPPER OLIGOCENE
Hole:  20A  Depth Top of Layer(m)   :   16.50    Age: UPPER OLIGOCENE
Core:   2   Depth Bottom of Layer(m):   18.00    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
========== ========= ========  ================  ============
     50        35        85       1.80/ 53            157
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNO CHALK OOZE                                            
Screen Lith    : NANNOFOSSIL OOZE                                            
 
 
 
Leg :  3    Top/Bottom Interval(mm) :   00/1500  Age: UPPER OLIGOCENE
Hole:  20A  Depth Top of Layer(m)   :   18.00    Age: UPPER OLIGOCENE
Core:   2   Depth Bottom of Layer(m):   19.50    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
========== ========= ========  ================  ============
     71         0        29       1.71/ 59            158
 
Processing Hist: Classification was successful.
Shipboard Lith : PURE NANNO OOZE                                             
Screen Lith    : NANNOFOSSIL OOZE                                            
 
 
 
Leg :  3    Top/Bottom Interval(mm) :   00/1500  Age: UPPER OLIGOCENE
Hole:  20A  Depth Top of Layer(m)   :   19.50    Age: UPPER OLIGOCENE
Core:   2   Depth Bottom of Layer(m):   21.00    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
========== ========= ========  ================  ============
     72         0        28       1.81/ 53            157
 
Processing Hist: Classification was successful.
Shipboard Lith : ****** NO LITH GIVEN ***                                    
Screen Lith    : NANNOFOSSIL OOZE                                            
 
 
 
Leg :  3    Top/Bottom Interval(mm) :   00/1500  Age: UPPER OLIGOCENE
Hole:  20A  Depth Top of Layer(m)   :   21.00    Age: UPPER OLIGOCENE
Core:   2   Depth Bottom of Layer(m):   22.50    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
========== ========= ========  ================  ============
     73         0        27       1.85/ 51            158
 
Processing Hist: Classification was successful.
Shipboard Lith : ****** NO LITH GIVEN ***                                    
Screen Lith    : NANNOFOSSIL OOZE                                            
 
 
 
Leg :  3    Top/Bottom Interval(mm) :   00/1500  Age: UPPER OLIGOCENE
Hole:  20A  Depth Top of Layer(m)   :   22.50    Age: UPPER OLIGOCENE
Core:   2   Depth Bottom of Layer(m):   24.00    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
========== ========= ========  ================  ============
     88         0        13       1.75/ 56            159
 
Processing Hist: Classification was successful.
Shipboard Lith : ****** NO LITH GIVEN ***                                    
Screen Lith    : NANNOFOSSIL OOZE                                            
 
 
 
Leg :  3    Top/Bottom Interval(mm) :   00/1500  Age: LOWER OLIGOCENE
Hole:  20A  Depth Top of Layer(m)   :   34.00    Age: LOWER OLIGOCENE
Core:   3   Depth Bottom of Layer(m):   35.50    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
========== ========= ========  ================  ============
     50        35        13           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : ****** NO LITH GIVEN ***                                    
Screen Lith    : NANNOFOSSIL OOZE                                            
 
 
 
Leg :  3    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole:  20A  Depth Top of Layer(m)   :   61.00    Age: 
Core:   4   Depth Bottom of Layer(m):   62.50    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: Classification was successful.
Shipboard Lith : BRECCIA WITH GLASS AND MARBLE FRAGMENTS IN MARBLE MATRIX    
Screen Lith    : GLASS RICH BRECCIA TUFF

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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.