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Core Data from the Deep Sea Drilling Project


Leg : 29    Top/Bottom Interval(mm) :  680/ 800  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   38.68    Age: OLIGOCENE
Core:   1   Depth Bottom of Layer(m):   38.80    Age: 
Sect:  1    Thickness of Layer(m)   :    0.12
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     50        35         0           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNO OOZE                                                  
Screen Lith    : NANNOFOSSIL OOZE                                            
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  800/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   38.80    Age: OLIGOCENE
Core:   1   Depth Bottom of Layer(m):   39.50    Age: 
Sect:  1    Thickness of Layer(m)   :    0.70
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2        84        14           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILT RICH DIAT OOZE                                         
Screen Lith    : QUARTZ RICH DIATOM OOZE                                     
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/ 120  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   39.50    Age: OLIGOCENE
Core:   1   Depth Bottom of Layer(m):   39.62    Age: 
Sect:  2    Thickness of Layer(m)   :    0.12
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2         0         0       1.42/ 76             11
 
Processing Hist: 
Shipboard Lith : SILTY DIAT OOZE                                             
Screen Lith    : SILICEOUS SEDIMENT.                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  120/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   39.62    Age: OLIGOCENE
Core:   1   Depth Bottom of Layer(m):   41.00    Age: 
Sect:  2    Thickness of Layer(m)   :    1.38
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2        65        33       1.28/ 85            128
 
Processing Hist: Classification was successful.
Shipboard Lith : SAND SILT DIATOM OOZE                                       
Screen Lith    : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE                 
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   41.00    Age: OLIGOCENE
Core:   1   Depth Bottom of Layer(m):   42.50    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
========== ========= ========  ================  ============
      0        52        48       1.31/ 83            146
 
Processing Hist: Classification was successful.
Shipboard Lith : SILT DIATOM OOZE                                            
Screen Lith    : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE                 
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   42.50    Age: OLIGOCENE
Core:   1   Depth Bottom of Layer(m):   44.00    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
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SILT DIAT OOZE                                              
Screen Lith    : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE                 
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  400/ 590  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   53.90    Age: OLIGOCENE
Core:   2   Depth Bottom of Layer(m):   54.09    Age: 
Sect:  1    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         0           /                  
 
Processing Hist: 
Shipboard Lith : MANGANESE NODULES                                           
Screen Lith    : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE                 
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  590/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   54.09    Age: OLIGOCENE
Core:   2   Depth Bottom of Layer(m):   55.00    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        54        47           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : MANGANESE BEARING DETRITAL SILT DIAT OOZE                   
Screen Lith    : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE                 
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   55.00    Age: OLIGOCENE
Core:   2   Depth Bottom of Layer(m):   56.50    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
========== ========= ========  ================  ============
     14         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MANGANESE BEARING DETRITAL SILT DIAT OOZE                   
Screen Lith    : TRANSITIONAL SILICEOUS SEDIMENT.                            
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   56.50    Age: OLIGOCENE
Core:   2   Depth Bottom of Layer(m):   58.00    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
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MANGANESE BEARING DET SILT DIAT OOZE                        
Screen Lith    : TRANSITIONAL SILICEOUS SEDIMENT.                            
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   58.00    Age: OLIGOCENE
Core:   2   Depth Bottom of Layer(m):   59.50    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        42        58       1.33/ 82            143
 
Processing Hist: Classification was successful.
Shipboard Lith : GLAUC RICH DIAT DET CLAY SILT                               
Screen Lith    : TERRIGENOUS DETRITUS RICH DIATOM MUD                        
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   59.50    Age: OLIGOCENE
Core:   2   Depth Bottom of Layer(m):   61.00    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
========== ========= ========  ================  ============
      0         0        58           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIAT DET CLAY SILT                                          
Screen Lith    : MUD                                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   61.00    Age: OLIGOCENE
Core:   2   Depth Bottom of Layer(m):   62.50    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
========== ========= ========  ================  ============
      0         0        58       1.38/ 79            146
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIAT DET CLAY SILT                                          
Screen Lith    : MUD                                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   72.50    Age: OLIGOCENE
Core:   3   Depth Bottom of Layer(m):   74.00    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        62        38           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : DET SILT DIAT OOZE                                          
Screen Lith    : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE                 
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   74.00    Age: OLIGOCENE
Core:   3   Depth Bottom of Layer(m):   75.50    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
========== ========= ========  ================  ============
     13         0         0       1.32/ 83            144
 
Processing Hist: 
Shipboard Lith : DET SILT DIAT OOZE                                          
Screen Lith    : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE                 
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   75.50    Age: OLIGOCENE
Core:   3   Depth Bottom of Layer(m):   77.00    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
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : DET SILT DIAT OOZE                                          
Screen Lith    : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE                 
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   77.00    Age: OLIGOCENE
Core:   3   Depth Bottom of Layer(m):   78.50    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         0       1.36/ 80            146
 
Processing Hist: 
Shipboard Lith : DET SILT DIAT OOZE                                          
Screen Lith    : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE                 
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   78.50    Age: OLIGOCENE
Core:   3   Depth Bottom of Layer(m):   80.00    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
========== ========= ========  ================  ============
      0        61        39       1.39/ 78            146
 
Processing Hist: Classification was successful.
Shipboard Lith : DET CLAY SILT DIAT OOZE                                     
Screen Lith    : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE                 
 
 
 
Leg : 29    Top/Bottom Interval(mm) : 1200/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   83.20    Age: OLIGOCENE
Core:   4   Depth Bottom of Layer(m):   83.50    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
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : SILT DIAT OOZE                                              
Screen Lith    : MUDDY SILICEOUS OOZE.                                       
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   83.50    Age: OLIGOCENE
Core:   4   Depth Bottom of Layer(m):   85.00    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: 
Shipboard Lith : SILT DIAT OOZE                                              
Screen Lith    : MUDDY SILICEOUS OOZE.                                       
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   85.00    Age: OLIGOCENE
Core:   4   Depth Bottom of Layer(m):   86.50    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
========== ========= ========  ================  ============
      0        52        48       1.39/ 78            146
 
Processing Hist: Classification was successful.
Shipboard Lith : DET CLAY SILT DIAT OOZE                                     
Screen Lith    : QUARTZ RICH MUDDY DIATOM OOZE                               
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   86.50    Age: OLIGOCENE
Core:   4   Depth Bottom of Layer(m):   88.00    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
========== ========= ========  ================  ============
      0         0         0       1.33/ 82            146
 
Processing Hist: 
Shipboard Lith : DET CLAY SILT DIAT OOZE                                     
Screen Lith    : MUDDY SILICEOUS OOZE.                                       
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   88.00    Age: OLIGOCENE
Core:   4   Depth Bottom of Layer(m):   89.50    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
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MANGANESE RAD BEARING DET SILT DIAT OOZE                    
Screen Lith    : MUDDY SILICEOUS OOZE.                                       
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  330/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   91.83    Age: OLIGOCENE
Core:   5   Depth Bottom of Layer(m):   93.00    Age: LOWER OLIGOCENE
Sect:  1    Thickness of Layer(m)   :    1.17
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0        55        45           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : RAD BEARING DET SILT DIAT OOZE                              
Screen Lith    : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE                 
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: OLIGOCENE
Hole: 280A  Depth Top of Layer(m)   :   93.00    Age: OLIGOCENE
Core:   5   Depth Bottom of Layer(m):   94.50    Age: LOWER OLIGOCENE
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
========== ========= ========  ================  ============
     12         0         0       1.34/ 81            145
 
Processing Hist: 
Shipboard Lith : MANGANESE RAD BEARING DIAT DET SILT                         
Screen Lith    : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE                 
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  440/1500  Age: LOWER TERTIARY
Hole: 280A  Depth Top of Layer(m)   :  101.44    Age: LOWER OLIGOCENE
Core:   6   Depth Bottom of Layer(m):  102.50    Age: UPPER EOCENE
Sect:  1    Thickness of Layer(m)   :    1.06
 
       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 : RAD BEARING DET SILT DIAT OOZE                              
Screen Lith    : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE                 
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: LOWER TERTIARY
Hole: 280A  Depth Top of Layer(m)   :  102.50    Age: LOWER OLIGOCENE
Core:   6   Depth Bottom of Layer(m):  104.00    Age: UPPER EOCENE
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        51        49           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : RAD BEARING DIAT DET SILT                                   
Screen Lith    : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE                 
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: LOWER TERTIARY
Hole: 280A  Depth Top of Layer(m)   :  104.00    Age: LOWER OLIGOCENE
Core:   6   Depth Bottom of Layer(m):  105.50    Age: UPPER EOCENE
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
========== ========= ========  ================  ============
      0         0        49           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : RAD BEARING DIAT DET SILT                                   
Screen Lith    : DIATOM RICH SILT                                            
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  620/1500  Age: LOWER TERTIARY
Hole: 280A  Depth Top of Layer(m)   :  120.62    Age: LOWER OLIGOCENE
Core:   7   Depth Bottom of Layer(m):  121.50    Age: UPPER EOCENE
Sect:  1    Thickness of Layer(m)   :    0.88
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0        49           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIAT DET SILT                                               
Screen Lith    : DIATOM RICH SILT                                            
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: LOWER TERTIARY
Hole: 280A  Depth Top of Layer(m)   :  121.50    Age: LOWER OLIGOCENE
Core:   7   Depth Bottom of Layer(m):  123.00    Age: UPPER EOCENE
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        49           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIAT DET SILT                                               
Screen Lith    : DIATOM RICH SILT                                            
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: LOWER TERTIARY
Hole: 280A  Depth Top of Layer(m)   :  123.00    Age: LOWER OLIGOCENE
Core:   7   Depth Bottom of Layer(m):  124.50    Age: UPPER EOCENE
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
========== ========= ========  ================  ============
      0         0        49           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIAT DET SILT                                               
Screen Lith    : DIATOM RICH SILT                                            
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: LOWER TERTIARY
Hole: 280A  Depth Top of Layer(m)   :  124.50    Age: LOWER OLIGOCENE
Core:   7   Depth Bottom of Layer(m):  126.00    Age: UPPER EOCENE
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        49           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIAT DET SILT                                               
Screen Lith    : DIATOM RICH SILT                                            
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: LOWER TERTIARY
Hole: 280A  Depth Top of Layer(m)   :  139.00    Age: LOWER OLIGOCENE
Core:   8   Depth Bottom of Layer(m):  140.50    Age: UPPER EOCENE
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        49           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIAT DET SILT                                               
Screen Lith    : DIATOM RICH SILT                                            
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: LOWER TERTIARY
Hole: 280A  Depth Top of Layer(m)   :  140.50    Age: LOWER OLIGOCENE
Core:   8   Depth Bottom of Layer(m):  142.00    Age: UPPER EOCENE
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
========== ========= ========  ================  ============
     14         0        87           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILT                                                 
Screen Lith    : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUD                   
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  330/ 650  Age: LOWER TERTIARY
Hole: 280A  Depth Top of Layer(m)   :  167.83    Age: LOWER OLIGOCENE
Core:   9   Depth Bottom of Layer(m):  168.15    Age: UPPER EOCENE
Sect:  1    Thickness of Layer(m)   :    0.32
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0        87           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERTIFIED SILTSTONE                                        
Screen Lith    : SILTSTONE                                                   
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  650/1500  Age: LOWER TERTIARY
Hole: 280A  Depth Top of Layer(m)   :  168.15    Age: LOWER OLIGOCENE
Core:   9   Depth Bottom of Layer(m):  169.00    Age: UPPER EOCENE
Sect:  1    Thickness of Layer(m)   :    0.85
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0        87           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY SILT                                                   
Screen Lith    : MUD                                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  720/1180  Age: UPPER EOCENE
Hole: 280A  Depth Top of Layer(m)   :  196.72    Age: UPPER EOCENE
Core:  10   Depth Bottom of Layer(m):  197.18    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
========== ========= ========  ================  ============
     35        50        87           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERTIFIED CYLINDRICAL BLOCKS                               
Screen Lith    :  CHERT                                                      
 
 
 
Leg : 29    Top/Bottom Interval(mm) : 1180/1500  Age: UPPER EOCENE
Hole: 280A  Depth Top of Layer(m)   :  197.18    Age: UPPER EOCENE
Core:  10   Depth Bottom of Layer(m):  197.50    Age: 
Sect:  1    Thickness of Layer(m)   :    0.32
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0        87           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY SILT                                                   
Screen Lith    : MUD                                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/ 160  Age: UPPER EOCENE
Hole: 280A  Depth Top of Layer(m)   :  197.50    Age: UPPER EOCENE
Core:  10   Depth Bottom of Layer(m):  197.66    Age: 
Sect:  2    Thickness of Layer(m)   :    0.16
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0        87           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY SILT                                                   
Screen Lith    : MUD                                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  160/ 560  Age: UPPER EOCENE
Hole: 280A  Depth Top of Layer(m)   :  197.66    Age: UPPER EOCENE
Core:  10   Depth Bottom of Layer(m):  198.06    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
========== ========= ========  ================  ============
      0         0        87           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY SILT                                                   
Screen Lith    : MUD                                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) : 1160/1500  Age: UPPER EOCENE
Hole: 280A  Depth Top of Layer(m)   :  201.66    Age: UPPER EOCENE
Core:  10   Depth Bottom of Layer(m):  202.00    Age: 
Sect:  4    Thickness of Layer(m)   :    0.34
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0        87           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILT CLAY                                                   
Screen Lith    : MUD                                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: UPPER EOCENE
Hole: 280A  Depth Top of Layer(m)   :  202.00    Age: UPPER EOCENE
Core:  10   Depth Bottom of Layer(m):  203.50    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
========== ========= ========  ================  ============
      0         0        87       1.66/ 62            146
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILT CLAY                                                   
Screen Lith    : MUD                                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: UPPER EOCENE
Hole: 280A  Depth Top of Layer(m)   :  203.50    Age: UPPER EOCENE
Core:  10   Depth Bottom of Layer(m):  205.00    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
========== ========= ========  ================  ============
      0         0        87       1.59/ 66            136
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILT CLAYSTONE                                              
Screen Lith    : MUDSTONE                                                    
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  550/1500  Age: UPPER EOCENE
Hole: 280A  Depth Top of Layer(m)   :  215.55    Age: UPPER EOCENE
Core:  11   Depth Bottom of Layer(m):  216.50    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        87           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTSTONE                                                   
Screen Lith    : SILTSTONE                                                   
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1000  Age: UPPER EOCENE
Hole: 280A  Depth Top of Layer(m)   :  216.50    Age: UPPER EOCENE
Core:  11   Depth Bottom of Layer(m):  217.50    Age: 
Sect:  2    Thickness of Layer(m)   :    1.00
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0        87       1.64/ 64             96
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY SILT                                                   
Screen Lith    : MUD                                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) : 1000/1100  Age: UPPER EOCENE
Hole: 280A  Depth Top of Layer(m)   :  217.50    Age: UPPER EOCENE
Core:  11   Depth Bottom of Layer(m):  217.60    Age: 
Sect:  2    Thickness of Layer(m)   :    0.10
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0        87       1.49/ 72              8
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY SILTSTONE                                              
Screen Lith    : MUDSTONE                                                    
 
 
 
Leg : 29    Top/Bottom Interval(mm) : 1100/1500  Age: UPPER EOCENE
Hole: 280A  Depth Top of Layer(m)   :  217.60    Age: UPPER EOCENE
Core:  11   Depth Bottom of Layer(m):  218.00    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
========== ========= ========  ================  ============
      0         0        87       1.61/ 65             38
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY SILT                                                   
Screen Lith    : MUD                                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/ 950  Age: UPPER EOCENE
Hole: 280A  Depth Top of Layer(m)   :  218.00    Age: UPPER EOCENE
Core:  11   Depth Bottom of Layer(m):  218.95    Age: 
Sect:  3    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       1.64/ 63             92
 
Processing Hist: 
Shipboard Lith : GLAUC BEARING CLAY SILT                                     
Screen Lith    : CLASTIC SEDIMENT.                                           
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  950/1100  Age: UPPER EOCENE
Hole: 280A  Depth Top of Layer(m)   :  218.95    Age: UPPER EOCENE
Core:  11   Depth Bottom of Layer(m):  219.10    Age: 
Sect:  3    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
========== ========= ========  ================  ============
      0         0         0       1.64/ 63             15
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY SILTSTONE                                              
Screen Lith    : GLAUCONITE RICH MUD                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) : 1100/1500  Age: UPPER EOCENE
Hole: 280A  Depth Top of Layer(m)   :  219.10    Age: UPPER EOCENE
Core:  11   Depth Bottom of Layer(m):  219.50    Age: 
Sect:  3    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
========== ========= ========  ================  ============
      0         0         0       1.69/ 60             39
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : GLAUC BEARING CLAY SILT                                     
Screen Lith    : MUDSTONE                                                    
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/ 810  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  234.00    Age: UPPER EOCENE
Core:  12   Depth Bottom of Layer(m):  234.81    Age: MIDDLE EOCENE
Sect:  1    Thickness of Layer(m)   :    0.81
 
       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 : GLAUC BEARING SILT CLAYSTONE                                
Screen Lith    : GLAUCONITE RICH MUDSTONE                                    
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  860/1010  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  234.86    Age: UPPER EOCENE
Core:  12   Depth Bottom of Layer(m):  235.01    Age: MIDDLE EOCENE
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
========== ========= ========  ================  ============
      0         0       100           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : GLAUC SANDY CLAYSTONE                                       
Screen Lith    : GLAUCONITE RICH CLAY MINERAL RICH SANDY MUDSTONE            
 
 
 
Leg : 29    Top/Bottom Interval(mm) : 1010/1150  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  235.01    Age: UPPER EOCENE
Core:  12   Depth Bottom of Layer(m):  235.15    Age: MIDDLE EOCENE
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
========== ========= ========  ================  ============
      0         0       100           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : GLAUC DET CLAY SANDSTONE                                    
Screen Lith    : GLAUCONITE RICH SANDSTONE                                   
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  450/1500  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  262.95    Age: UPPER EOCENE
Core:  13   Depth Bottom of Layer(m):  264.00    Age: MIDDLE EOCENE
Sect:  1    Thickness of Layer(m)   :    1.05
 
       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: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : GLAUC RICH CLAY SILTSTONE                                   
Screen Lith    : GLAUCONITE RICH MUDSTONE                                    
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  264.00    Age: UPPER EOCENE
Core:  13   Depth Bottom of Layer(m):  265.50    Age: MIDDLE EOCENE
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       100       1.56/ 68            143
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : GLAUC RICH CLAY SILTSTONE                                   
Screen Lith    : GLAUCONITE RICH MUDSTONE                                    
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  265.50    Age: UPPER EOCENE
Core:  13   Depth Bottom of Layer(m):  267.00    Age: MIDDLE EOCENE
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
========== ========= ========  ================  ============
      0         0       100           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : GLAUC RICH CLAY SILTSTONE                                   
Screen Lith    : GLAUCONITE RICH MUDSTONE                                    
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  550/ 900  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  291.55    Age: UPPER EOCENE
Core:  14   Depth Bottom of Layer(m):  291.90    Age: MIDDLE EOCENE
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
========== ========= ========  ================  ============
      8         0        92           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : GLAUC RICH SILTY SAND                                       
Screen Lith    : QUARTZ RICH TERRIGENOUS DETRITUS RICH SANDY MUD             
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  900/1150  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  291.90    Age: UPPER EOCENE
Core:  14   Depth Bottom of Layer(m):  292.15    Age: MIDDLE EOCENE
Sect:  1    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
========== ========= ========  ================  ============
      0         0        92           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY SILTSTONE                                              
Screen Lith    : MUDSTONE                                                    
 
 
 
Leg : 29    Top/Bottom Interval(mm) : 1150/1500  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  292.15    Age: UPPER EOCENE
Core:  14   Depth Bottom of Layer(m):  292.50    Age: MIDDLE EOCENE
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        92           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : GLAUC RICH SILTY SAND                                       
Screen Lith    : GLAUCONITE RICH SAND                                        
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/ 300  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  292.50    Age: UPPER EOCENE
Core:  14   Depth Bottom of Layer(m):  292.80    Age: MIDDLE EOCENE
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         0        92       1.65/ 63             29
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : GLAUC RICH SANDY SILTSTONE                                  
Screen Lith    : GLAUCONITE RICH SILTSTONE                                   
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  300/ 600  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  292.80    Age: UPPER EOCENE
Core:  14   Depth Bottom of Layer(m):  293.10    Age: MIDDLE EOCENE
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         0        92       1.61/ 65             29
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : GLAUC BEARING CLAY SILTSTONE                                
Screen Lith    : GLAUCONITE RICH SILTSTONE                                   
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  600/ 900  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  293.10    Age: UPPER EOCENE
Core:  14   Depth Bottom of Layer(m):  293.40    Age: MIDDLE EOCENE
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         0        92       1.61/ 65             29
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : GLAUC RICH SANDY SILTSTONE                                  
Screen Lith    : GLAUCONITE RICH SILTSTONE                                   
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  900/1200  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  293.40    Age: UPPER EOCENE
Core:  14   Depth Bottom of Layer(m):  293.70    Age: MIDDLE EOCENE
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         0        92       1.63/ 64             30
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : GLAUC BEARING CLAY SILTSTONE                                
Screen Lith    : GLAUCONITE RICH SILTSTONE                                   
 
 
 
Leg : 29    Top/Bottom Interval(mm) : 1200/1420  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  293.70    Age: UPPER EOCENE
Core:  14   Depth Bottom of Layer(m):  293.92    Age: MIDDLE EOCENE
Sect:  2    Thickness of Layer(m)   :    0.22
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0        92       1.61/ 65             21
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAUC RICH SANDY SILTSTONE                                  
Screen Lith    : GLAUCONITE RICH SILTSTONE                                   
 
 
 
Leg : 29    Top/Bottom Interval(mm) : 1420/1500  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  293.92    Age: UPPER EOCENE
Core:  14   Depth Bottom of Layer(m):  294.00    Age: MIDDLE EOCENE
Sect:  2    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        92       1.73/ 58              8
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : GLAUC NODULE BEARING CLAY SILTSTONE                         
Screen Lith    : GLAUCONITE RICH SILTSTONE                                   
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  760/1500  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  320.26    Age: UPPER EOCENE
Core:  15   Depth Bottom of Layer(m):  321.00    Age: MIDDLE EOCENE
Sect:  1    Thickness of Layer(m)   :    0.74
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0        92           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY SILTSTONE                                              
Screen Lith    : MUDSTONE                                                    
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  321.00    Age: UPPER EOCENE
Core:  15   Depth Bottom of Layer(m):  322.50    Age: MIDDLE EOCENE
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        92           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : GLAUC NODULE BEARING CLAY SILT                              
Screen Lith    : GLAUCONITE RICH MUD                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  322.50    Age: UPPER EOCENE
Core:  15   Depth Bottom of Layer(m):  324.00    Age: MIDDLE EOCENE
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
========== ========= ========  ================  ============
      0         0        92           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : GLAUC NODULE BEARING CLAY SILT                              
Screen Lith    : GLAUCONITE RICH MUD                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  900/1500  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  348.90    Age: UPPER EOCENE
Core:  16   Depth Bottom of Layer(m):  349.50    Age: MIDDLE EOCENE
Sect:  1    Thickness of Layer(m)   :    0.60
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0        92           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : GLAUC BEARING MICRO NODULE RICH SILT CLAYSTONE              
Screen Lith    : GLAUCONITE RICH CLAYSTONE                                   
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  377.00    Age: UPPER EOCENE
Core:  17   Depth Bottom of Layer(m):  378.50    Age: MIDDLE EOCENE
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        92           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : GLAUC BEARING MICRO NODULE RICH CLAY SILTSTONE              
Screen Lith    : GLAUCONITE RICH MICRONODULE RICH MUDSTONE                   
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  378.50    Age: UPPER EOCENE
Core:  17   Depth Bottom of Layer(m):  380.00    Age: MIDDLE EOCENE
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       100       1.67/ 61            146
 
Processing Hist: Classification was successful.
Shipboard Lith : SILT CLAYSTONE                                              
Screen Lith    : QUARTZ RICH CLAY MINERAL RICH PELAGIC CLAY                  
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  380.00    Age: UPPER EOCENE
Core:  17   Depth Bottom of Layer(m):  381.50    Age: MIDDLE EOCENE
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
========== ========= ========  ================  ============
      0         0       100           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYSTONE                                                   
Screen Lith    : CLAYSTONE                                                   
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  381.50    Age: UPPER EOCENE
Core:  17   Depth Bottom of Layer(m):  383.00    Age: MIDDLE EOCENE
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       1.79/ 54            146
 
Processing Hist: Classification was successful.
Shipboard Lith : SILT CLAYSTONE                                              
Screen Lith    : CLAY MINERAL RICH MUDSTONE                                  
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  383.00    Age: UPPER EOCENE
Core:  17   Depth Bottom of Layer(m):  384.50    Age: MIDDLE EOCENE
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
========== ========= ========  ================  ============
      0         0       100           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILT CLAYSTONE                                              
Screen Lith    : MUDSTONE                                                    
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: EOCENE
Hole: 280A  Depth Top of Layer(m)   :  384.50    Age: UPPER EOCENE
Core:  17   Depth Bottom of Layer(m):  386.00    Age: MIDDLE EOCENE
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
========== ========= ========  ================  ============
      0         0       100       1.81/ 53            146
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILT CLAYSTONE                                              
Screen Lith    : MUDSTONE                                                    
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  160/1500  Age: MIDDLE EOCENE
Hole: 280A  Depth Top of Layer(m)   :  405.16    Age: MIDDLE EOCENE
Core:  18   Depth Bottom of Layer(m):  406.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.34
 
       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: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY SILTSTONE                                              
Screen Lith    : MUDSTONE                                                    
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 280A  Depth Top of Layer(m)   :  443.00    Age: MIDDLE EOCENE
Core:  19   Depth Bottom of Layer(m):  444.50    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: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYSTONE                                                   
Screen Lith    : CLAYSTONE                                                   
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 280A  Depth Top of Layer(m)   :  444.50    Age: MIDDLE EOCENE
Core:  19   Depth Bottom of Layer(m):  446.00    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       100       1.90/ 48            146
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE                                             
Screen Lith    : CLAY MINERAL RICH QUARTZ RICH PELAGIC CLAY                  
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 280A  Depth Top of Layer(m)   :  446.00    Age: MIDDLE EOCENE
Core:  19   Depth Bottom of Layer(m):  447.50    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
========== ========= ========  ================  ============
      0         0       100           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE                                             
Screen Lith    : MUD                                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 280A  Depth Top of Layer(m)   :  447.50    Age: MIDDLE EOCENE
Core:  19   Depth Bottom of Layer(m):  449.00    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
========== ========= ========  ================  ============
      0         0       100       1.88/ 49            140
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE                                             
Screen Lith    : MUD                                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 280A  Depth Top of Layer(m)   :  449.00    Age: MIDDLE EOCENE
Core:  19   Depth Bottom of Layer(m):  450.50    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
========== ========= ========  ================  ============
      0         0       100           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE                                             
Screen Lith    : MUD                                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 280A  Depth Top of Layer(m)   :  450.50    Age: MIDDLE EOCENE
Core:  19   Depth Bottom of Layer(m):  452.00    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
========== ========= ========  ================  ============
      0         0       100       1.87/ 50            143
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DET SILT CLAYSTONE                                          
Screen Lith    : MUD                                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  200/1500  Age: MIDDLE EOCENE
Hole: 280A  Depth Top of Layer(m)   :  481.20    Age: MIDDLE EOCENE
Core:  20   Depth Bottom of Layer(m):  482.50    Age: 
Sect:  1    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: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILT CLAYSTONE                                              
Screen Lith    : MUD                                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 280A  Depth Top of Layer(m)   :  482.50    Age: MIDDLE EOCENE
Core:  20   Depth Bottom of Layer(m):  484.00    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       100       1.81/ 53            135
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILT CLAYSTONE                                              
Screen Lith    : MUD                                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 280A  Depth Top of Layer(m)   :  484.00    Age: MIDDLE EOCENE
Core:  20   Depth Bottom of Layer(m):  485.50    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
========== ========= ========  ================  ============
      0         0       100           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILT CLAYSTONE                                              
Screen Lith    : MUD                                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 280A  Depth Top of Layer(m)   :  509.50    Age: MIDDLE EOCENE
Core:  21   Depth Bottom of Layer(m):  511.00    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       1.85/ 51            139
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILT CLAYSTONE                                              
Screen Lith    : MUD                                                         
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1500  Age: MIDDLE EOCENE
Hole: 280A  Depth Top of Layer(m)   :  511.00    Age: MIDDLE EOCENE
Core:  21   Depth Bottom of Layer(m):  512.50    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       100       1.97/ 44            146
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY SILTSTONE                                              
Screen Lith    : MUDSTONE                                                    
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  430/1500  Age: MIDDLE EOCENE
Hole: 280A  Depth Top of Layer(m)   :  512.93    Age: MIDDLE EOCENE
Core:  22   Depth Bottom of Layer(m):  514.00    Age: 
Sect:  1    Thickness of Layer(m)   :    1.07
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2         0        98       1.76/ 56            100
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE                                             
Screen Lith    : CLAY MINERAL RICH QUARTZ RICH MUD                           
 
 
 
Leg : 29    Top/Bottom Interval(mm) :    0/   0  Age: MIDDLE EOCENE
Hole: 280A  Depth Top of Layer(m)   :  514.10    Age: MIDDLE EOCENE
Core:  22   Depth Bottom of Layer(m):  514.10    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        98           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SANDY SILTSTONE                                             
Screen Lith    : SANDY MUD                                                   
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  730/1500  Age: 
Hole: 280A  Depth Top of Layer(m)   :  519.73    Age: 
Core:  23   Depth Bottom of Layer(m):  520.50    Age: 
Sect:  1    Thickness of Layer(m)   :    0.77
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       2.29/ 24             45
 
Processing Hist: 
Shipboard Lith : BASALT (THOLEIITIC)                                         
Screen Lith    : CLASTIC SEDIMENT.                                           
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/1360  Age: 
Hole: 280A  Depth Top of Layer(m)   :  520.50    Age: 
Core:  23   Depth Bottom of Layer(m):  521.86    Age: 
Sect:  2    Thickness of Layer(m)   :    1.36
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       2.16/ 32            127
 
Processing Hist: 
Shipboard Lith : BASALT (THOLEIITIC)                                         
Screen Lith    : CLASTIC SEDIMENT.                                           
 
 
 
Leg : 29    Top/Bottom Interval(mm) : 1360/1450  Age: 
Hole: 280A  Depth Top of Layer(m)   :  521.86    Age: 
Core:  23   Depth Bottom of Layer(m):  521.95    Age: 
Sect:  2    Thickness of Layer(m)   :    0.09
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2         0        98       2.04/ 39              7
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE                                             
Screen Lith    : QUARTZ RICH MICA RICH CLASTIC SEDIMENTSTONE                 
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/ 100  Age: 
Hole: 280A  Depth Top of Layer(m)   :  522.00    Age: 
Core:  23   Depth Bottom of Layer(m):  522.10    Age: 
Sect:  3    Thickness of Layer(m)   :    0.10
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0        98           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SANDY SILTSTONE                                             
Screen Lith    : SANDY MUD                                                   
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  100/ 530  Age: 
Hole: 280A  Depth Top of Layer(m)   :  522.10    Age: 
Core:  23   Depth Bottom of Layer(m):  522.53    Age: 
Sect:  3    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        98           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY SILTSTONE                                              
Screen Lith    : MUDSTONE                                                    
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  530/1090  Age: 
Hole: 280A  Depth Top of Layer(m)   :  522.53    Age: 
Core:  23   Depth Bottom of Layer(m):  523.09    Age: 
Sect:  3    Thickness of Layer(m)   :    0.56
 
       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 : BASALT                                                      
Screen Lith    : CLASTIC STONE.                                              
 
 
 
Leg : 29    Top/Bottom Interval(mm) : 1090/1260  Age: 
Hole: 280A  Depth Top of Layer(m)   :  523.09    Age: 
Core:  23   Depth Bottom of Layer(m):  523.26    Age: 
Sect:  3    Thickness of Layer(m)   :    0.17
 
       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 : SILTY CLAYSTONE                                             
Screen Lith    : QUARTZ RICH CLAY MINERAL RICH MUDSTONE                      
 
 
 
Leg : 29    Top/Bottom Interval(mm) : 1260/1500  Age: 
Hole: 280A  Depth Top of Layer(m)   :  523.26    Age: 
Core:  23   Depth Bottom of Layer(m):  523.50    Age: 
Sect:  3    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
========== ========= ========  ================  ============
      0         0       100           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SANDY SILTSTONE                                             
Screen Lith    : SANDY MUDSTONE                                              
 
 
 
Leg : 29    Top/Bottom Interval(mm) :   00/ 100  Age: 
Hole: 280A  Depth Top of Layer(m)   :  523.50    Age: 
Core:  23   Depth Bottom of Layer(m):  523.60    Age: 
Sect:  4    Thickness of Layer(m)   :    0.10
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0       100       1.81/ 53              8
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SANDY SILTSTONE                                             
Screen Lith    : SANDY MUDSTONE                                              
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  100/ 380  Age: 
Hole: 280A  Depth Top of Layer(m)   :  523.60    Age: 
Core:  23   Depth Bottom of Layer(m):  523.88    Age: 
Sect:  4    Thickness of Layer(m)   :    0.28
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0       100       1.89/ 48             26
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE                                             
Screen Lith    : MUDSTONE                                                    
 
 
 
Leg : 29    Top/Bottom Interval(mm) :  380/1500  Age: 
Hole: 280A  Depth Top of Layer(m)   :  523.88    Age: 
Core:  23   Depth Bottom of Layer(m):  525.00    Age: 
Sect:  4    Thickness of Layer(m)   :    1.12
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0       2.14/ 33            105
 
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT (THOLEIITIC)                                         
Screen Lith    : BASALT (THOLEIITIC)                                         
 
 
 
    

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