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Core Data from the Deep Sea Drilling Project
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 0.50 Age:
Core: 1 Depth Bottom of Layer(m): 2.00 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 0 1.24/ 87 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 2.00 Age:
Core: 1 Depth Bottom of Layer(m): 3.50 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 0 1.25/ 86 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DETRITAL CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 3.50 Age:
Core: 1 Depth Bottom of Layer(m): 5.00 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 1.25/ 87 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DETRITAL CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 5.00 Age:
Core: 1 Depth Bottom of Layer(m): 6.50 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 1.24/ 87 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DETRITAL CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 6.50 Age:
Core: 1 Depth Bottom of Layer(m): 8.00 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 0 1.24/ 87 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DETRITAL CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 8.00 Age:
Core: 1 Depth Bottom of Layer(m): 9.50 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 0 1.28/ 85 143
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DETRITAL CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age:
Hole: 257 Depth Top of Layer(m) : 9.60 Age:
Core: 1 Depth Bottom of Layer(m): 9.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 9.50 Age:
Core: 2 Depth Bottom of Layer(m): 11.00 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 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DETRITAL CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 11.00 Age:
Core: 2 Depth Bottom of Layer(m): 12.50 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 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DETRITAL CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 12.50 Age:
Core: 2 Depth Bottom of Layer(m): 14.00 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 1.30/ 83 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DETRITAL CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1400 Age:
Hole: 257 Depth Top of Layer(m) : 14.00 Age:
Core: 2 Depth Bottom of Layer(m): 15.40 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
========== ========= ======== ================ ============
0 0 0 1.33/ 82 136
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DETRITAL CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age:
Hole: 257 Depth Top of Layer(m) : 15.60 Age:
Core: 2 Depth Bottom of Layer(m): 15.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 500/1500 Age:
Hole: 257 Depth Top of Layer(m) : 48.00 Age:
Core: 3 Depth Bottom of Layer(m): 49.00 Age:
Sect: 1 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 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DETRITAL CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 49.00 Age:
Core: 3 Depth Bottom of Layer(m): 50.50 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 0 1.42/ 76 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DETRITAL CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 50.50 Age:
Core: 3 Depth Bottom of Layer(m): 52.00 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 1.43/ 76 130
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DETRITAL CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age:
Hole: 257 Depth Top of Layer(m) : 52.10 Age:
Core: 3 Depth Bottom of Layer(m): 52.10 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 1140/1500 Age: CRETACEOUS
Hole: 257 Depth Top of Layer(m) : 86.64 Age: CRETACEOUS
Core: 4 Depth Bottom of Layer(m): 87.00 Age:
Sect: 1 Thickness of Layer(m) : 0.36
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DETRITAL CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: CRETACEOUS
Hole: 257 Depth Top of Layer(m) : 87.00 Age: CRETACEOUS
Core: 4 Depth Bottom of Layer(m): 88.50 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 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DETRITAL CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: CRETACEOUS
Hole: 257 Depth Top of Layer(m) : 88.50 Age: CRETACEOUS
Core: 4 Depth Bottom of Layer(m): 90.00 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 0 100 /
Processing Hist: Classification was successful.
Shipboard Lith : DETRITAL CLAY
Screen Lith : HEAVY MINERAL RICH CLASTIC SEDIMENT
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: CRETACEOUS
Hole: 257 Depth Top of Layer(m) : 90.00 Age: CRETACEOUS
Core: 4 Depth Bottom of Layer(m): 91.50 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 0 100 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DETRITAL CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: CRETACEOUS
Hole: 257 Depth Top of Layer(m) : 91.60 Age: CRETACEOUS
Core: 4 Depth Bottom of Layer(m): 91.60 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 0 100 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 1440/1500 Age: UPPER CRETACEOUS
Hole: 257 Depth Top of Layer(m) : 124.94 Age: UPPER CRETACEOUS
Core: 5 Depth Bottom of Layer(m): 125.00 Age:
Sect: 1 Thickness of Layer(m) : 0.06
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 : SILICIFIED MUDSTONE
Screen Lith : MUDSTONE
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: UPPER CRETACEOUS
Hole: 257 Depth Top of Layer(m) : 125.00 Age: UPPER CRETACEOUS
Core: 5 Depth Bottom of Layer(m): 126.50 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 1.44/ 75 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: UPPER CRETACEOUS
Hole: 257 Depth Top of Layer(m) : 126.50 Age: UPPER CRETACEOUS
Core: 5 Depth Bottom of Layer(m): 128.00 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 0 100 1.53/ 70 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: UPPER CRETACEOUS
Hole: 257 Depth Top of Layer(m) : 128.10 Age: UPPER CRETACEOUS
Core: 5 Depth Bottom of Layer(m): 128.10 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 0 100 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 160/1500 Age: CRETACEOUS
Hole: 257 Depth Top of Layer(m) : 161.66 Age: CRETACEOUS
Core: 6 Depth Bottom of Layer(m): 163.00 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 1.37/ 79 109
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: CRETACEOUS
Hole: 257 Depth Top of Layer(m) : 163.10 Age: CRETACEOUS
Core: 6 Depth Bottom of Layer(m): 163.10 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 0 100 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 680/1500 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 200.18 Age: ALBIAN
Core: 7 Depth Bottom of Layer(m): 201.00 Age:
Sect: 1 Thickness of Layer(m) : 0.82
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.40/ 78 76
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 201.00 Age: ALBIAN
Core: 7 Depth Bottom of Layer(m): 202.50 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 1.53/ 70 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 202.50 Age: ALBIAN
Core: 7 Depth Bottom of Layer(m): 204.00 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 0 100 1.56/ 68 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 204.00 Age: ALBIAN
Core: 7 Depth Bottom of Layer(m): 205.50 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 0 100 1.60/ 66 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 205.50 Age: ALBIAN
Core: 7 Depth Bottom of Layer(m): 207.00 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 0 100 1.59/ 66 144
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 207.00 Age: ALBIAN
Core: 7 Depth Bottom of Layer(m): 208.50 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 0 100 1.59/ 66 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 208.60 Age: ALBIAN
Core: 7 Depth Bottom of Layer(m): 208.60 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
========== ========= ======== ================ ============
65 0 35 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 680/1500 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 238.18 Age: ALBIAN
Core: 8 Depth Bottom of Layer(m): 239.00 Age:
Sect: 1 Thickness of Layer(m) : 0.82
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 35 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : COCCOLITH RICH DETRITAL CLAY
Screen Lith : NANNOFOSSIL RICH CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/ 160 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 239.00 Age: ALBIAN
Core: 8 Depth Bottom of Layer(m): 239.16 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 0 /
Processing Hist:
Shipboard Lith : COCCOLITH RICH DETRITAL CLAY
Screen Lith : NANNOFOSSIL RICH CLAY
Leg : 26 Top/Bottom Interval(mm) : 160/1000 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 239.16 Age: ALBIAN
Core: 8 Depth Bottom of Layer(m): 240.00 Age:
Sect: 2 Thickness of Layer(m) : 0.84
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 : CLAYEY COCCOLITH CHALK
Screen Lith : NANNOFOSSIL RICH CLAY
Leg : 26 Top/Bottom Interval(mm) : 1000/1500 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 240.00 Age: ALBIAN
Core: 8 Depth Bottom of Layer(m): 240.50 Age:
Sect: 2 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : COCCOLITH DETRITAL CLAY
Screen Lith : NANNOFOSSIL RICH CLAY
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 240.60 Age: ALBIAN
Core: 8 Depth Bottom of Layer(m): 240.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : COCCOLITH DETRITAL CLAY
Screen Lith : NANNOFOSSIL RICH CLAY
Leg : 26 Top/Bottom Interval(mm) : 1000/1500 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 248.00 Age: ALBIAN
Core: 9 Depth Bottom of Layer(m): 248.50 Age:
Sect: 1 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : COCCOLITH BEARING DETRITAL CLAY
Screen Lith : NANNOFOSSIL RICH CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 248.50 Age: ALBIAN
Core: 9 Depth Bottom of Layer(m): 250.00 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 1.62/ 64 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DETRITAL CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1200 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 250.00 Age: ALBIAN
Core: 9 Depth Bottom of Layer(m): 251.20 Age:
Sect: 3 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 0 0 1.70/ 60 117
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DETRITAL CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 251.60 Age: ALBIAN
Core: 9 Depth Bottom of Layer(m): 251.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DETRITAL CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1300 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 256.50 Age: ALBIAN
Core: 10 Depth Bottom of Layer(m): 257.80 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
========== ========= ======== ================ ============
2 6 92 /
Processing Hist: Classification was successful.
Shipboard Lith : DETRITAL CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 26 Top/Bottom Interval(mm) : 1300/1500 Age: CRETACEOUS
Hole: 257 Depth Top of Layer(m) : 257.80 Age: CRETACEOUS
Core: 10 Depth Bottom of Layer(m): 258.00 Age:
Sect: 1 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 26 Top/Bottom Interval(mm) : 1220/1500 Age:
Hole: 257 Depth Top of Layer(m) : 264.22 Age:
Core: 11 Depth Bottom of Layer(m): 264.50 Age:
Sect: 1 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 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 264.50 Age:
Core: 11 Depth Bottom of Layer(m): 266.00 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: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIATED BASALT
Screen Lith : BRECCIATED BASALT
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 266.00 Age:
Core: 11 Depth Bottom of Layer(m): 267.50 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 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIATED BASALT
Screen Lith : BRECCIATED BASALT
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age:
Hole: 257 Depth Top of Layer(m) : 267.60 Age:
Core: 11 Depth Bottom of Layer(m): 267.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : PORPHYRITIC BASALT
Screen Lith : PORPHYRITIC BASALT
Leg : 26 Top/Bottom Interval(mm) : 500/1500 Age:
Hole: 257 Depth Top of Layer(m) : 273.00 Age:
Core: 12 Depth Bottom of Layer(m): 274.00 Age:
Sect: 1 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 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 26 Top/Bottom Interval(mm) : 40/1450 Age:
Hole: 257 Depth Top of Layer(m) : 274.04 Age:
Core: 12 Depth Bottom of Layer(m): 275.45 Age:
Sect: 2 Thickness of Layer(m) : 1.41
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
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 275.50 Age:
Core: 12 Depth Bottom of Layer(m): 277.00 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: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIATED BASALT
Screen Lith : BRECCIATED BASALT
Leg : 26 Top/Bottom Interval(mm) : 950/1470 Age:
Hole: 257 Depth Top of Layer(m) : 282.95 Age:
Core: 13 Depth Bottom of Layer(m): 283.47 Age:
Sect: 1 Thickness of Layer(m) : 0.52
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
Leg : 26 Top/Bottom Interval(mm) : 00/1480 Age:
Hole: 257 Depth Top of Layer(m) : 283.50 Age:
Core: 13 Depth Bottom of Layer(m): 284.98 Age:
Sect: 2 Thickness of Layer(m) : 1.48
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
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 285.00 Age:
Core: 13 Depth Bottom of Layer(m): 286.50 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 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 286.50 Age:
Core: 13 Depth Bottom of Layer(m): 288.00 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: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 26 Top/Bottom Interval(mm) : 1200/1500 Age:
Hole: 257 Depth Top of Layer(m) : 291.20 Age:
Core: 14 Depth Bottom of Layer(m): 291.50 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: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 26 Top/Bottom Interval(mm) : 100/1500 Age:
Hole: 257 Depth Top of Layer(m) : 291.60 Age:
Core: 14 Depth Bottom of Layer(m): 293.00 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 293.00 Age:
Core: 14 Depth Bottom of Layer(m): 294.50 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 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 294.50 Age:
Core: 14 Depth Bottom of Layer(m): 296.00 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: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 296.00 Age:
Core: 14 Depth Bottom of Layer(m): 297.50 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: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 26 Top/Bottom Interval(mm) : 250/ 600 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 298.25 Age: ALBIAN
Core: 15 Depth Bottom of Layer(m): 298.60 Age:
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 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : DETRITAL CLAY
Screen Lith : DETRITAL CLAY
Leg : 26 Top/Bottom Interval(mm) : 600/1500 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 298.60 Age: ALBIAN
Core: 15 Depth Bottom of Layer(m): 299.50 Age:
Sect: 1 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 299.50 Age: ALBIAN
Core: 15 Depth Bottom of Layer(m): 301.00 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: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 26 Top/Bottom Interval(mm) : 00/ 600 Age: ALBIAN
Hole: 257 Depth Top of Layer(m) : 301.00 Age: ALBIAN
Core: 15 Depth Bottom of Layer(m): 301.60 Age:
Sect: 3 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 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 26 Top/Bottom Interval(mm) : 470/1500 Age:
Hole: 257 Depth Top of Layer(m) : 307.97 Age:
Core: 16 Depth Bottom of Layer(m): 309.00 Age:
Sect: 1 Thickness of Layer(m) : 1.03
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
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 309.00 Age:
Core: 16 Depth Bottom of Layer(m): 310.50 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 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 310.50 Age:
Core: 16 Depth Bottom of Layer(m): 312.00 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: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 26 Top/Bottom Interval(mm) : 310/1500 Age:
Hole: 257 Depth Top of Layer(m) : 317.31 Age:
Core: 17 Depth Bottom of Layer(m): 318.50 Age:
Sect: 1 Thickness of Layer(m) : 1.19
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 2.11/ 35 59
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 26 Top/Bottom Interval(mm) : 150/1500 Age:
Hole: 257 Depth Top of Layer(m) : 318.65 Age:
Core: 17 Depth Bottom of Layer(m): 320.00 Age:
Sect: 2 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
========== ========= ======== ================ ============
0 0 0 2.40/ 18 131
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 320.00 Age:
Core: 17 Depth Bottom of Layer(m): 321.50 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 0 2.43/ 16 137
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 26 Top/Bottom Interval(mm) : 200/1500 Age:
Hole: 257 Depth Top of Layer(m) : 321.70 Age:
Core: 17 Depth Bottom of Layer(m): 323.00 Age:
Sect: 4 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 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 257 Depth Top of Layer(m) : 323.00 Age:
Core: 17 Depth Bottom of Layer(m): 324.50 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 2.25/ 27 142
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
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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]
Please see NOAA's privacy and disclaimer information. Send questions or comments to mgg.info@noaa.gov.
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