Core Data from the Deep Sea Drilling Project

Leg : 68    Top/Bottom Interval(mm) :   00/1500  Age: UPPER PLEISTOCENE
Hole: 501   Depth Top of Layer(m)   :    0.00    Age: UPPER 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
========== ========= ========  ================  ============
     34        45        21           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILICEOUS CARBONATE OOZE                                    
Screen Lith    : NANNOFOSSIL RICH DIATOM RICH SPICULE RICH  SILICEOUS OOZE   
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1450  Age: UPPER PLEISTOCENE
Hole: 501   Depth Top of Layer(m)   :    1.50    Age: UPPER PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):    2.95    Age: 
Sect:  2    Thickness of Layer(m)   :    1.45
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     40        32        28       2.22/ 29            143
 
Processing Hist: Classification was successful.
Shipboard Lith : SILICEOUS CARBONATE OOZE                                    
Screen Lith    : FORAMINIFERA RICH NANNOFOSSIL RICH  CALCAREOUS OOZE         
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1500  Age: UPPER PLEISTOCENE
Hole: 501   Depth Top of Layer(m)   :    3.00    Age: UPPER 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
========== ========= ========  ================  ============
     39        19        43           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILICEOUS CARBONATE OOZE                                    
Screen Lith    : CLAY MINERAL RICH NANNOFOSSIL RICH MARLY FORAMINIFERA OOZE  
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1500  Age: UPPER PLEISTOCENE
Hole: 501   Depth Top of Layer(m)   :    4.50    Age: UPPER PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):    6.00    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        29        71       2.25/ 27            154
 
Processing Hist: 
Shipboard Lith : SILICEOUS CARBONATE OOZE                                    
Screen Lith    : MARLY CALCAREOUS OOZE.                                      
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1220  Age: UPPER PLEISTOCENE
Hole: 501   Depth Top of Layer(m)   :    6.00    Age: UPPER PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):    7.22    Age: 
Sect:  5    Thickness of Layer(m)   :    1.22
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0        26        74           /                  
 
Processing Hist: 
Shipboard Lith : SILICEOUS CARBONATE OOZE                                    
Screen Lith    : MARLY CALCAREOUS OOZE.                                      
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1420  Age: UPPER PLEISTOCENE
Hole: 501   Depth Top of Layer(m)   :    7.50    Age: UPPER PLEISTOCENE
Core:   1   Depth Bottom of Layer(m):    8.92    Age: 
Sect:  6    Thickness of Layer(m)   :    1.42
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     38        32        31       2.26/ 26            136
 
Processing Hist: Classification was successful.
Shipboard Lith : MUDDY SILICEOUS CARBONATE OOZE                              
Screen Lith    : DIATOM RICH FORAMINIFERA RICH MARLY NANNOFOSSIL OOZE        
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/ 260  Age: 
Hole: 501   Depth Top of Layer(m)   :    9.00    Age: 
Core:   1   Depth Bottom of Layer(m):    9.26    Age: 
Sect:  7    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
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : MUDDY SILICEOUS CARBONATE OOZE                              
Screen Lith    : CALCAREOUS SEDIMENT.                                        
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole: 501   Depth Top of Layer(m)   :    9.37    Age: 
Core:   1   Depth Bottom of Layer(m):   10.87    Age: 
Sect: CC    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        16        14           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILICEOUS CARBONATE OOZE                                    
Screen Lith    : NANNOFOSSIL RICH FORAMINIFERA RICH  CALCAREOUS OOZE         
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1500  Age: LOWER PLEISTOCENE
Hole: 501   Depth Top of Layer(m)   :   55.10    Age: LOWER PLEISTOCENE
Core:   3   Depth Bottom of Layer(m):   56.60    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        14           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILICEOUS CARBONATE OOZE                                    
Screen Lith    : NANNOFOSSIL RICH FORAMINIFERA RICH  CALCAREOUS OOZE         
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1500  Age: LOWER PLEISTOCENE
Hole: 501   Depth Top of Layer(m)   :   56.60    Age: LOWER PLEISTOCENE
Core:   3   Depth Bottom of Layer(m):   58.10    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
========== ========= ========  ================  ============
     40        55         5       2.15/ 33            151
 
Processing Hist: Classification was successful.
Shipboard Lith : CALCAREOUS SILICEOUS OOZE                                   
Screen Lith    : NANNOFOSSIL RICH DIATOM OOZE                                
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1500  Age: LOWER PLEISTOCENE
Hole: 501   Depth Top of Layer(m)   :   58.10    Age: LOWER PLEISTOCENE
Core:   3   Depth Bottom of Layer(m):   59.60    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
========== ========= ========  ================  ============
     46        59         0           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CARBON-SILICEOUS OOZE                                       
Screen Lith    : NANNOFOSSIL RICH SPICULE RICH DIATOM RICH  SILICEOUS OOZE   
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1400  Age: LOWER PLEISTOCENE
Hole: 501   Depth Top of Layer(m)   :   59.60    Age: LOWER PLEISTOCENE
Core:   3   Depth Bottom of Layer(m):   61.00    Age: 
Sect:  4    Thickness of Layer(m)   :    1.40
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     60        35         5       2.18/ 31            131
 
Processing Hist: Classification was successful.
Shipboard Lith : SILICEOUS CARBONATE OOZE                                    
Screen Lith    : DIATOM RICH NANNOFOSSIL OOZE                                
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1200  Age: LOWER PLEISTOCENE
Hole: 501   Depth Top of Layer(m)   :   61.10    Age: LOWER PLEISTOCENE
Core:   3   Depth Bottom of Layer(m):   62.30    Age: 
Sect:  5    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
========== ========= ========  ================  ============
     51        22        28           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILIC-CARBONATE OOZE                                        
Screen Lith    : CLAY MINERAL RICH CARBONATE RICH NANNOFOSSIL OOZE           
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1500  Age: LOWER PLEISTOCENE
Hole: 501   Depth Top of Layer(m)   :   62.60    Age: LOWER PLEISTOCENE
Core:   3   Depth Bottom of Layer(m):   64.10    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
========== ========= ========  ================  ============
     38        26        36       2.16/ 32            151
 
Processing Hist: Classification was successful.
Shipboard Lith : SILICEOUS CARBONATE OOZE                                    
Screen Lith    : CLAY MINERAL RICH MARLY NANNOFOSSIL CHALK                   
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/ 450  Age: LOWER PLEISTOCENE
Hole: 501   Depth Top of Layer(m)   :   64.10    Age: LOWER PLEISTOCENE
Core:   3   Depth Bottom of Layer(m):   64.55    Age: 
Sect:  7    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
========== ========= ========  ================  ============
     55        20        25           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILICEOUS CARBONATE OOZE                                    
Screen Lith    : CLAY MINERAL RICH CARBONATE RICH NANNOFOSSIL OOZE           
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/ 100  Age: 
Hole: 501   Depth Top of Layer(m)   :   64.65    Age: 
Core:   3   Depth Bottom of Layer(m):   64.75    Age: 
Sect: CC    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        21        80           /                  
 
Processing Hist: 
Shipboard Lith : SILICEOUS CALCAREOUS OOZE                                   
Screen Lith    : CALCAREOUS SEDIMENT.                                        
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole: 501   Depth Top of Layer(m)   :  112.10    Age: 
Core:   4   Depth Bottom of Layer(m):  113.60    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
========== ========= ========  ================  ============
     42        24        34       2.21/ 29            152
 
Processing Hist: Classification was successful.
Shipboard Lith : SILICEOUS NANNO OOZE                                        
Screen Lith    : SPICULE RICH MARLY NANNOFOSSIL OOZE                         
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1400  Age: 
Hole: 501   Depth Top of Layer(m)   :  113.60    Age: 
Core:   4   Depth Bottom of Layer(m):  115.00    Age: 
Sect:  2    Thickness of Layer(m)   :    1.40
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     40        25        34           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYEY SILICEOUS NANNO OOZE                                 
Screen Lith    : SPICULE RICH MARLY NANNOFOSSIL OOZE                         
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1350  Age: 
Hole: 501   Depth Top of Layer(m)   :  115.10    Age: 
Core:   4   Depth Bottom of Layer(m):  116.45    Age: 
Sect:  3    Thickness of Layer(m)   :    1.35
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     40        25        34       2.04/ 40            138
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYEY SILIC NANNO OOZE                                     
Screen Lith    : SPICULE RICH MARLY NANNOFOSSIL OOZE                         
 
 
 
Leg : 68    Top/Bottom Interval(mm) : 1360/1380  Age: 
Hole: 501   Depth Top of Layer(m)   :  116.46    Age: 
Core:   4   Depth Bottom of Layer(m):  116.48    Age: 
Sect:  3    Thickness of Layer(m)   :    0.02
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0        34       2.13/ 34              3
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : ASH                                                         
Screen Lith    : ASH                                                         
 
 
 
Leg : 68    Top/Bottom Interval(mm) : 1390/1500  Age: 
Hole: 501   Depth Top of Layer(m)   :  116.49    Age: 
Core:   4   Depth Bottom of Layer(m):  116.60    Age: 
Sect:  3    Thickness of Layer(m)   :    0.11
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     47        23        30       2.07/ 38             11
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILIC NANNO OOZE WITH ASH                            
Screen Lith    : CLAY MINERAL RICH MARLY CARBONATE OOZE                      
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/  70  Age: 
Hole: 501   Depth Top of Layer(m)   :  116.60    Age: 
Core:   4   Depth Bottom of Layer(m):  116.67    Age: 
Sect:  4    Thickness of Layer(m)   :    0.07
 
       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 : SILIC NANNO OOZE WITH ASH                                   
Screen Lith    : CALCAREOUS SEDIMENT.                                        
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   80/1500  Age: 
Hole: 501   Depth Top of Layer(m)   :  116.68    Age: 
Core:   4   Depth Bottom of Layer(m):  118.10    Age: 
Sect:  4    Thickness of Layer(m)   :    1.42
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0        24        77           /                  
 
Processing Hist: 
Shipboard Lith : SILICEOUS NANNO OOZE                                        
Screen Lith    : CALCAREOUS SEDIMENT.                                        
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole: 501   Depth Top of Layer(m)   :  118.10    Age: 
Core:   4   Depth Bottom of Layer(m):  119.60    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
========== ========= ========  ================  ============
     60        35         5       2.06/ 38            156
 
Processing Hist: Classification was successful.
Shipboard Lith : MUDDY SILICEOUS CARBONATE OOZE                              
Screen Lith    : CARBONATE RICH NANNOFOSSIL RICH  CALCAREOUS OOZE            
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1200  Age: 
Hole: 501   Depth Top of Layer(m)   :  119.60    Age: 
Core:   4   Depth Bottom of Layer(m):  120.80    Age: 
Sect:  6    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
========== ========= ========  ================  ============
     58        30        12           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILIC NANNO OOZE                                            
Screen Lith    : SPICULE RICH NANNOFOSSIL OOZE                               
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/ 400  Age: 
Hole: 501   Depth Top of Layer(m)   :  121.10    Age: 
Core:   4   Depth Bottom of Layer(m):  121.50    Age: 
Sect:  7    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           /                  
 
Processing Hist: 
Shipboard Lith : SILIC NANNO OOZE                                            
Screen Lith    : CALCAREOUS OOZE.                                            
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1200  Age: 
Hole: 501   Depth Top of Layer(m)   :  169.10    Age: 
Core:   5   Depth Bottom of Layer(m):  170.30    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
========== ========= ========  ================  ============
     70        10        20           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILIC CLAYEY NANNO OOZE                                     
Screen Lith    : CLAY MINERAL RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1420  Age: 
Hole: 501   Depth Top of Layer(m)   :  170.60    Age: 
Core:   5   Depth Bottom of Layer(m):  172.02    Age: 
Sect:  2    Thickness of Layer(m)   :    1.42
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     66         8        26       1.84/ 51            139
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY NANNO OOZE                                           
Screen Lith    : CLAY MINERAL RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/ 900  Age: 
Hole: 501   Depth Top of Layer(m)   :  172.10    Age: 
Core:   5   Depth Bottom of Layer(m):  173.00    Age: 
Sect:  3    Thickness of Layer(m)   :    0.90
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     58        20        22           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILIC CLAYEY NANNO OOZE                                     
Screen Lith    : CLAY MINERAL RICH SEMIINDURATED NANNOFOSSIL OOZE            
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/ 200  Age: 
Hole: 501   Depth Top of Layer(m)   :  173.12    Age: 
Core:   5   Depth Bottom of Layer(m):  173.32    Age: 
Sect: CC    Thickness of Layer(m)   :    0.20
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     69        11        20           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILIC CLAYEY NANNO OOZE                                     
Screen Lith    : CLAY MINERAL RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 501   Depth Top of Layer(m)   :  226.10    Age: UPPER MIOCENE
Core:   6   Depth Bottom of Layer(m):  227.60    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
========== ========= ========  ================  ============
     74        23         4           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILICEOUS CLAYEY NANNO CHALK                                
Screen Lith    : CLAY MINERAL RICH NANNOFOSSIL OOZE                          
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1200  Age: UPPER MIOCENE
Hole: 501   Depth Top of Layer(m)   :  227.60    Age: UPPER MIOCENE
Core:   6   Depth Bottom of Layer(m):  228.80    Age: 
Sect:  2    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
========== ========= ========  ================  ============
      0        16        84       1.87/ 49             86
 
Processing Hist: 
Shipboard Lith : SILICEOUS CLAYEY NANNO CHALK                                
Screen Lith    : PELAGIC CALCAREOUS SEDIMENT.                                
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1450  Age: UPPER MIOCENE
Hole: 501   Depth Top of Layer(m)   :  229.10    Age: UPPER MIOCENE
Core:   6   Depth Bottom of Layer(m):  230.55    Age: 
Sect:  3    Thickness of Layer(m)   :    1.45
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     62        27        11       2.00/ 42            140
 
Processing Hist: 
Shipboard Lith : CLAYEY SILICEOUS NANNO CHALK                                
Screen Lith    : PELAGIC CALCAREOUS SEDIMENT.                                
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/ 500  Age: UPPER MIOCENE
Hole: 501   Depth Top of Layer(m)   :  230.60    Age: UPPER MIOCENE
Core:   6   Depth Bottom of Layer(m):  231.10    Age: 
Sect:  4    Thickness of Layer(m)   :    0.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     48        35        18           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOMACEOUS NANNO CHALK                             
Screen Lith    : DIATOM RICH SEMIINDURATED NANNOFOSSIL OOZE                  
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/ 100  Age: UPPER MIOCENE
Hole: 501   Depth Top of Layer(m)   :  235.60    Age: UPPER MIOCENE
Core:   7   Depth Bottom of Layer(m):  235.70    Age: 
Sect:  1    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
========== ========= ========  ================  ============
     35        50        18       2.80/ -6              1
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : BANDED CHERT                                                
Screen Lith    :  CHERT                                                      
 
 
 
Leg : 68    Top/Bottom Interval(mm) :  110/1180  Age: UPPER MIOCENE
Hole: 501   Depth Top of Layer(m)   :  235.71    Age: UPPER MIOCENE
Core:   7   Depth Bottom of Layer(m):  236.78    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
========== ========= ========  ================  ============
     81         2        17       1.67/ 61            114
 
Processing Hist: Classification was successful.
Shipboard Lith : SILIC CLAYEY NANNO CHALK                                    
Screen Lith    : CLAY MINERAL RICH NANNOFOSSIL CHALK                         
 
 
 
Leg : 68    Top/Bottom Interval(mm) : 1190/1300  Age: UPPER MIOCENE
Hole: 501   Depth Top of Layer(m)   :  236.79    Age: UPPER MIOCENE
Core:   7   Depth Bottom of Layer(m):  236.90    Age: 
Sect:  1    Thickness of Layer(m)   :    0.11
 
       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             12
 
Processing Hist: 
Shipboard Lith : SILIC LIMESTONE                                             
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 68    Top/Bottom Interval(mm) : 1310/1400  Age: UPPER MIOCENE
Hole: 501   Depth Top of Layer(m)   :  236.91    Age: UPPER MIOCENE
Core:   7   Depth Bottom of Layer(m):  237.00    Age: 
Sect:  1    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
========== ========= ========  ================  ============
      0         0         0       1.72/ 58             10
 
Processing Hist: 
Shipboard Lith : SILIC CLAYEY NANNO CHALK                                    
Screen Lith    : CHALK.                                                      
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/1290  Age: UPPER MIOCENE
Hole: 501   Depth Top of Layer(m)   :  237.10    Age: UPPER MIOCENE
Core:   7   Depth Bottom of Layer(m):  238.39    Age: 
Sect:  2    Thickness of Layer(m)   :    1.29
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     84         5        11       1.72/ 59            114
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY NANNO CHALK                                          
Screen Lith    : NANNOFOSSIL CHALK                                           
 
 
 
Leg : 68    Top/Bottom Interval(mm) : 1300/1450  Age: UPPER MIOCENE
Hole: 501   Depth Top of Layer(m)   :  238.40    Age: UPPER MIOCENE
Core:   7   Depth Bottom of Layer(m):  238.55    Age: 
Sect:  2    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
========== ========= ========  ================  ============
     87         2        11       1.70/ 60             16
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY NANNO LIMESTONE                                      
Screen Lith    : INDURATED NANNOFOSSIL CHALK                                 
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/ 200  Age: UPPER MIOCENE
Hole: 501   Depth Top of Layer(m)   :  245.10    Age: UPPER MIOCENE
Core:   8   Depth Bottom of Layer(m):  245.30    Age: 
Sect: CC    Thickness of Layer(m)   :    0.20
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     90         5         5           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY NANNO LIMESTONE                                      
Screen Lith    : INDURATED NANNOFOSSIL CHALK                                 
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/ 490  Age: UPPER MIOCENE
Hole: 501   Depth Top of Layer(m)   :  254.60    Age: UPPER MIOCENE
Core:   9   Depth Bottom of Layer(m):  255.09    Age: 
Sect:  1    Thickness of Layer(m)   :    0.49
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     50        35         5           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : LIMESTONE AND CHERT                                         
Screen Lith    : INDURATED NANNOFOSSIL CHALK                                 
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/ 200  Age: UPPER MIOCENE
Hole: 501   Depth Top of Layer(m)   :  255.19    Age: UPPER MIOCENE
Core:   9   Depth Bottom of Layer(m):  255.39    Age: 
Sect: CC    Thickness of Layer(m)   :    0.20
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     50        35         5           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYEY CHALK                                                
Screen Lith    : INDURATED NANNOFOSSIL CHALK                                 
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   00/  70  Age: UPPER MIOCENE
Hole: 501   Depth Top of Layer(m)   :  264.10    Age: UPPER MIOCENE
Core:  10   Depth Bottom of Layer(m):  264.17    Age: 
Sect:  1    Thickness of Layer(m)   :    0.07
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     50        35         5           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNO LIMESTONE WITH CHERT                                  
Screen Lith    : INDURATED NANNOFOSSIL CHALK                                 
 
 
 
Leg : 68    Top/Bottom Interval(mm) :   80/1500  Age: 
Hole: 501   Depth Top of Layer(m)   :  264.18    Age: 
Core:  10   Depth Bottom of Layer(m):  265.60    Age: 
Sect:  1    Thickness of Layer(m)   :    1.42
 
       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
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