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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: UPPER OLIGOCENE
Hole:  20B  Depth Top of Layer(m)   :    6.40    Age: UPPER OLIGOCENE
Core:   1   Depth Bottom of Layer(m):    7.90    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
========== ========= ========  ================  ============
     62         0        39       1.61/ 65            159
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNO OOZE                                                  
Screen Lith    : CLAY MINERAL RICH NANNOFOSSIL OOZE                          
 
 
 
Leg :  3    Top/Bottom Interval(mm) :   00/1500  Age: UPPER OLIGOCENE
Hole:  20B  Depth Top of Layer(m)   :    7.90    Age: UPPER OLIGOCENE
Core:   1   Depth Bottom of Layer(m):    9.40    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
========== ========= ========  ================  ============
     67         0        33       1.62/ 64            159
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNO OOZE                                                  
Screen Lith    : CLAY MINERAL RICH NANNOFOSSIL OOZE                          
 
 
 
Leg :  3    Top/Bottom Interval(mm) :   00/1500  Age: UPPER OLIGOCENE
Hole:  20B  Depth Top of Layer(m)   :    9.40    Age: UPPER OLIGOCENE
Core:   1   Depth Bottom of Layer(m):   10.90    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
========== ========= ========  ================  ============
     83         0        18       1.63/ 64            158
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNO OOZE                                                  
Screen Lith    : CLAY MINERAL RICH NANNOFOSSIL OOZE                          
 
 
 
Leg :  3    Top/Bottom Interval(mm) :   00/1500  Age: UPPER OLIGOCENE
Hole:  20B  Depth Top of Layer(m)   :   10.90    Age: UPPER OLIGOCENE
Core:   1   Depth Bottom of Layer(m):   12.40    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       1.61/ 65            159
 
Processing Hist: 
Shipboard Lith : NANNO OOZE                                                  
Screen Lith    : CALCAREOUS OOZE.                                            
 
 
 
Leg :  3    Top/Bottom Interval(mm) :   00/1500  Age: UPPER OLIGOCENE
Hole:  20B  Depth Top of Layer(m)   :   12.40    Age: UPPER OLIGOCENE
Core:   1   Depth Bottom of Layer(m):   13.90    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
========== ========= ========  ================  ============
     90         0        11       1.77/ 55            158
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNO OOZE                                                  
Screen Lith    : NANNOFOSSIL OOZE                                            
 
 
 
Leg :  3    Top/Bottom Interval(mm) :   00/1500  Age: UPPER OLIGOCENE
Hole:  20B  Depth Top of Layer(m)   :   13.90    Age: UPPER OLIGOCENE
Core:   1   Depth Bottom of Layer(m):   15.40    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
========== ========= ========  ================  ============
     50        35        11       1.65/ 63            148
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNO OOZE                                                  
Screen Lith    : NANNOFOSSIL OOZE

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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.