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Core Data from the Deep Sea Drilling Project
Leg : 86 Top/Bottom Interval(mm) : 00/ 820 Age: QUATERNARY
Hole: 581 Depth Top of Layer(m) : 0.00 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 0.82 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 22 78 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : DIATOM RICH CLAY MINERAL RICH MUD
Leg : 86 Top/Bottom Interval(mm) : 60/ 160 Age: QUATERNARY
Hole: 581 Depth Top of Layer(m) : 0.90 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 1.00 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 0 0 /
Processing Hist:
Shipboard Lith : SILICEOUS CLAY
Screen Lith : DIATOM RICH CLAY MINERAL RICH MUD
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PLIOCENE
Hole: 581 Depth Top of Layer(m) : 181.50 Age: LOWER PLIOCENE
Core: 2 Depth Bottom of Layer(m): 183.00 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 30 70 1.23/ 88 124
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : DIATOM RICH CLAY MINERAL RICH MUD
Leg : 86 Top/Bottom Interval(mm) : 00/ 600 Age: LOWER PLIOCENE
Hole: 581 Depth Top of Layer(m) : 183.00 Age: LOWER PLIOCENE
Core: 2 Depth Bottom of Layer(m): 183.60 Age:
Sect: 2 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 70 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : MUD
Leg : 86 Top/Bottom Interval(mm) : 880/1500 Age: LOWER PLIOCENE
Hole: 581 Depth Top of Layer(m) : 185.38 Age: LOWER PLIOCENE
Core: 2 Depth Bottom of Layer(m): 186.00 Age:
Sect: 3 Thickness of Layer(m) : 0.62
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 70 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : MUD
Leg : 86 Top/Bottom Interval(mm) : 1200/1500 Age: LOWER PLIOCENE
Hole: 581 Depth Top of Layer(m) : 187.20 Age: LOWER PLIOCENE
Core: 2 Depth Bottom of Layer(m): 187.50 Age:
Sect: 4 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 70 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : MUD
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PLIOCENE
Hole: 581 Depth Top of Layer(m) : 187.50 Age: LOWER PLIOCENE
Core: 2 Depth Bottom of Layer(m): 189.00 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 52 48 1.26/ 86 128
Processing Hist: Classification was successful.
Shipboard Lith : SILICEOUS CLAY
Screen Lith : CLAY MINERAL RICH RADIOLARIA RICH MUDDY DIATOM OOZE
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PLIOCENE
Hole: 581 Depth Top of Layer(m) : 189.00 Age: LOWER PLIOCENE
Core: 2 Depth Bottom of Layer(m): 190.50 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 45 55 1.26/ 86 129
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH DIATOM MUD
Leg : 86 Top/Bottom Interval(mm) : 00/ 340 Age: LOWER PLIOCENE
Hole: 581 Depth Top of Layer(m) : 190.50 Age: LOWER PLIOCENE
Core: 2 Depth Bottom of Layer(m): 190.84 Age:
Sect: 7 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 0 /
Processing Hist:
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH DIATOM MUD
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PLIOCENE
Hole: 581 Depth Top of Layer(m) : 191.00 Age: LOWER PLIOCENE
Core: 3 Depth Bottom of Layer(m): 192.50 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 0 1.27/ 85 127
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH DIATOM MUD
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PLIOCENE
Hole: 581 Depth Top of Layer(m) : 192.50 Age: LOWER PLIOCENE
Core: 3 Depth Bottom of Layer(m): 194.00 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 1.31/ 83 108
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH DIATOM MUD
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PLIOCENE
Hole: 581 Depth Top of Layer(m) : 194.00 Age: LOWER PLIOCENE
Core: 3 Depth Bottom of Layer(m): 195.50 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 46 54 1.27/ 86 120
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH DIATOM MUD
Leg : 86 Top/Bottom Interval(mm) : 00/1190 Age: LOWER PLIOCENE
Hole: 581 Depth Top of Layer(m) : 195.50 Age: LOWER PLIOCENE
Core: 3 Depth Bottom of Layer(m): 196.69 Age:
Sect: 4 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
========== ========= ======== ================ ============
25 40 54 1.28/ 85 75
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH DIATOM MUD
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PLIOCENE
Hole: 581 Depth Top of Layer(m) : 197.00 Age: LOWER PLIOCENE
Core: 3 Depth Bottom of Layer(m): 198.50 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 13 87 1.25/ 86 120
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH ZEOLITE RICH PELAGIC CLAY
Leg : 86 Top/Bottom Interval(mm) : 00/ 820 Age: LOWER PLIOCENE
Hole: 581 Depth Top of Layer(m) : 198.50 Age: LOWER PLIOCENE
Core: 3 Depth Bottom of Layer(m): 199.32 Age:
Sect: 6 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 64 36 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH MUDDY DIATOM OOZE
Leg : 86 Top/Bottom Interval(mm) : 00/ 190 Age: LOWER PLIOCENE
Hole: 581 Depth Top of Layer(m) : 199.42 Age: LOWER PLIOCENE
Core: 3 Depth Bottom of Layer(m): 199.61 Age:
Sect: CC 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 : CLAY
Screen Lith : TRANSITIONAL SILICEOUS SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PLIOCENE
Hole: 581 Depth Top of Layer(m) : 200.50 Age: LOWER PLIOCENE
Core: 4 Depth Bottom of Layer(m): 202.00 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 1.25/ 87 126
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : TRANSITIONAL SILICEOUS SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 581 Depth Top of Layer(m) : 202.00 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 203.50 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 1.26/ 86 128
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : TRANSITIONAL SILICEOUS SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 581 Depth Top of Layer(m) : 203.50 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 205.00 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 47 53 1.59/ 66 93
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH DIATOM MUD
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 581 Depth Top of Layer(m) : 205.00 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 206.50 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 36 64 1.28/ 85 123
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH DIATOM MUD
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 581 Depth Top of Layer(m) : 206.50 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 208.00 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 1.25/ 86 129
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH DIATOM MUD
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 581 Depth Top of Layer(m) : 208.00 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 209.50 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 38 62 1.28/ 85 129
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH DIATOM MUD
Leg : 86 Top/Bottom Interval(mm) : 00/ 400 Age: UPPER MIOCENE
Hole: 581 Depth Top of Layer(m) : 209.50 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 209.90 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 : CLAY
Screen Lith : TRANSITIONAL SILICEOUS SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 60/ 120 Age: UPPER MIOCENE
Hole: 581 Depth Top of Layer(m) : 209.96 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 210.02 Age:
Sect: CC 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 0 /
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : TRANSITIONAL SILICEOUS SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 581 Depth Top of Layer(m) : 210.00 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 211.50 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 0 1.14/ 93 5
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : TRANSITIONAL SILICEOUS SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 581 Depth Top of Layer(m) : 211.50 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 213.00 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 64 36 1.19/ 90 54
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH MUDDY DIATOM OOZE
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 581 Depth Top of Layer(m) : 213.00 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 214.50 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 38 63 1.19/ 90 20
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH DIATOM MUD
Leg : 86 Top/Bottom Interval(mm) : 00/ 660 Age: UPPER MIOCENE
Hole: 581 Depth Top of Layer(m) : 214.50 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 215.16 Age:
Sect: 4 Thickness of Layer(m) : 0.66
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 : CLAY
Screen Lith : CLAY MINERAL RICH DIATOM MUD
Leg : 86 Top/Bottom Interval(mm) : 00/ 100 Age: UPPER MIOCENE
Hole: 581 Depth Top of Layer(m) : 215.26 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 215.36 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 0 0 /
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH DIATOM MUD
Leg : 86 Top/Bottom Interval(mm) : 00/1490 Age: UPPER MIOCENE
Hole: 581 Depth Top of Layer(m) : 219.50 Age: UPPER MIOCENE
Core: 6 Depth Bottom of Layer(m): 220.99 Age:
Sect: 1 Thickness of Layer(m) : 1.49
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/ 86 116
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH DIATOM MUD
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 581 Depth Top of Layer(m) : 221.00 Age: UPPER MIOCENE
Core: 6 Depth Bottom of Layer(m): 222.50 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 31 69 1.30/ 83 128
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH DIATOM MUD
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 581 Depth Top of Layer(m) : 222.50 Age: UPPER MIOCENE
Core: 6 Depth Bottom of Layer(m): 224.00 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 26 74 1.31/ 83 129
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : DIATOM RICH CLAY MINERAL RICH MUD
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 581 Depth Top of Layer(m) : 224.00 Age: UPPER MIOCENE
Core: 6 Depth Bottom of Layer(m): 225.50 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 27 73 1.32/ 83 127
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : DIATOM RICH CLAY MINERAL RICH MUD
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 581 Depth Top of Layer(m) : 225.50 Age: UPPER MIOCENE
Core: 6 Depth Bottom of Layer(m): 227.00 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 1.32/ 82 129
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/1190 Age: UPPER MIOCENE
Hole: 581 Depth Top of Layer(m) : 227.00 Age: UPPER MIOCENE
Core: 6 Depth Bottom of Layer(m): 228.19 Age:
Sect: 6 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 30 70 1.31/ 83 75
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : RADIOLARIA RICH CLAY MINERAL RICH MUD
Leg : 86 Top/Bottom Interval(mm) : 00/ 240 Age: UPPER MIOCENE
Hole: 581 Depth Top of Layer(m) : 228.50 Age: UPPER MIOCENE
Core: 6 Depth Bottom of Layer(m): 228.74 Age:
Sect: 7 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 0 /
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/ 160 Age: UPPER MIOCENE
Hole: 581 Depth Top of Layer(m) : 228.86 Age: UPPER MIOCENE
Core: 6 Depth Bottom of Layer(m): 229.02 Age:
Sect: CC 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 : CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 90/1430 Age: MIDDLE MIOCENE
Hole: 581 Depth Top of Layer(m) : 229.09 Age: MIDDLE MIOCENE
Core: 7 Depth Bottom of Layer(m): 230.43 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 0 1.30/ 84 106
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 581 Depth Top of Layer(m) : 230.50 Age: MIDDLE MIOCENE
Core: 7 Depth Bottom of Layer(m): 232.00 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 28 72 1.32/ 83 127
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : DIATOM RICH CLAY MINERAL RICH MUD
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 581 Depth Top of Layer(m) : 232.00 Age: MIDDLE MIOCENE
Core: 7 Depth Bottom of Layer(m): 233.50 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 1.34/ 81 128
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 581 Depth Top of Layer(m) : 233.50 Age: MIDDLE MIOCENE
Core: 7 Depth Bottom of Layer(m): 235.00 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 25 75 1.33/ 82 128
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH MUD
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 581 Depth Top of Layer(m) : 235.00 Age: MIDDLE MIOCENE
Core: 7 Depth Bottom of Layer(m): 236.50 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 1.33/ 82 128
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/1400 Age: MIDDLE MIOCENE
Hole: 581 Depth Top of Layer(m) : 236.50 Age: MIDDLE MIOCENE
Core: 7 Depth Bottom of Layer(m): 237.90 Age:
Sect: 6 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 27 73 1.35/ 80 111
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : DIATOM RICH CLAY MINERAL RICH MUD
Leg : 86 Top/Bottom Interval(mm) : 190/ 240 Age: MIDDLE MIOCENE
Hole: 581 Depth Top of Layer(m) : 238.09 Age: MIDDLE MIOCENE
Core: 7 Depth Bottom of Layer(m): 238.14 Age:
Sect: CC Thickness of Layer(m) : 0.05
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 : CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 581 Depth Top of Layer(m) : 238.50 Age: MIDDLE MIOCENE
Core: 8 Depth Bottom of Layer(m): 240.00 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 1.33/ 82 128
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 581 Depth Top of Layer(m) : 240.00 Age: MIDDLE MIOCENE
Core: 8 Depth Bottom of Layer(m): 241.50 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 16 84 1.32/ 82 129
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH MUD
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 581 Depth Top of Layer(m) : 241.50 Age: MIDDLE MIOCENE
Core: 8 Depth Bottom of Layer(m): 243.00 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 19 81 1.33/ 82 129
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH MUD
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 581 Depth Top of Layer(m) : 243.00 Age: MIDDLE MIOCENE
Core: 8 Depth Bottom of Layer(m): 244.50 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 1.35/ 81 120
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 581 Depth Top of Layer(m) : 244.50 Age: MIDDLE MIOCENE
Core: 8 Depth Bottom of Layer(m): 246.00 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 5 95 1.42/ 76 127
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 86 Top/Bottom Interval(mm) : 00/ 90 Age: MIDDLE MIOCENE
Hole: 581 Depth Top of Layer(m) : 246.10 Age: MIDDLE MIOCENE
Core: 8 Depth Bottom of Layer(m): 246.19 Age:
Sect: CC 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 /
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 581 Depth Top of Layer(m) : 248.00 Age: MIDDLE MIOCENE
Core: 9 Depth Bottom of Layer(m): 249.50 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 0 1.30/ 83 120
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 581 Depth Top of Layer(m) : 249.50 Age: MIDDLE MIOCENE
Core: 9 Depth Bottom of Layer(m): 251.00 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 1 99 1.45/ 75 108
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 86 Top/Bottom Interval(mm) : 00/1200 Age: MIDDLE MIOCENE
Hole: 581 Depth Top of Layer(m) : 251.00 Age: MIDDLE MIOCENE
Core: 9 Depth Bottom of Layer(m): 252.20 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 1.42/ 76 68
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 86 Top/Bottom Interval(mm) : 00/ 980 Age: MIDDLE MIOCENE
Hole: 581 Depth Top of Layer(m) : 252.50 Age: MIDDLE MIOCENE
Core: 9 Depth Bottom of Layer(m): 253.48 Age:
Sect: 4 Thickness of Layer(m) : 0.98
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 : CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 581 Depth Top of Layer(m) : 257.50 Age: MIDDLE MIOCENE
Core: 10 Depth Bottom of Layer(m): 259.00 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 1.57/ 68 129
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH CLAY
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 581 Depth Top of Layer(m) : 259.00 Age: MIOCENE
Core: 10 Depth Bottom of Layer(m): 260.50 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 1.53/ 70 128
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 581 Depth Top of Layer(m) : 260.50 Age: MIOCENE
Core: 10 Depth Bottom of Layer(m): 262.00 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 1.58/ 67 128
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/ 810 Age: MIOCENE
Hole: 581 Depth Top of Layer(m) : 262.00 Age: MIOCENE
Core: 10 Depth Bottom of Layer(m): 262.81 Age:
Sect: 4 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 1.41/ 77 59
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/ 690 Age: MIOCENE
Hole: 581 Depth Top of Layer(m) : 263.50 Age: MIOCENE
Core: 10 Depth Bottom of Layer(m): 264.19 Age:
Sect: 5 Thickness of Layer(m) : 0.69
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 : CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/ 40 Age: MIOCENE
Hole: 581 Depth Top of Layer(m) : 265.00 Age: MIOCENE
Core: 10 Depth Bottom of Layer(m): 265.04 Age:
Sect: 6 Thickness of Layer(m) : 0.04
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 : CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 320/ 540 Age: MIOCENE
Hole: 581 Depth Top of Layer(m) : 265.32 Age: MIOCENE
Core: 10 Depth Bottom of Layer(m): 265.54 Age:
Sect: 6 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 0 /
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/ 70 Age: MIOCENE
Hole: 581 Depth Top of Layer(m) : 266.04 Age: MIOCENE
Core: 10 Depth Bottom of Layer(m): 266.11 Age:
Sect: CC 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 : CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/ 300 Age: MIOCENE
Hole: 581 Depth Top of Layer(m) : 267.00 Age: MIOCENE
Core: 11 Depth Bottom of Layer(m): 267.30 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 : CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/ 450 Age:
Hole: 581 Depth Top of Layer(m) : 276.50 Age:
Core: 12 Depth Bottom of Layer(m): 276.95 Age:
Sect: 1 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
========== ========= ======== ================ ============
2 17 81 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CHERT FRAGMENT RICH CLAY MINERAL RICH MUD
Leg : 86 Top/Bottom Interval(mm) : 00/ 130 Age:
Hole: 581 Depth Top of Layer(m) : 286.00 Age:
Core: 13 Depth Bottom of Layer(m): 286.13 Age:
Sect: 1 Thickness of Layer(m) : 0.13
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 : CHERT
Screen Lith : CLASTIC SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 150/ 200 Age:
Hole: 581 Depth Top of Layer(m) : 286.15 Age:
Core: 13 Depth Bottom of Layer(m): 286.20 Age:
Sect: 1 Thickness of Layer(m) : 0.05
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 : CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 00/ 100 Age:
Hole: 581 Depth Top of Layer(m) : 295.50 Age:
Core: 14 Depth Bottom of Layer(m): 295.60 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : CHERT
Screen Lith : CLASTIC SEDIMENT.
Leg : 86 Top/Bottom Interval(mm) : 100/ 150 Age:
Hole: 581 Depth Top of Layer(m) : 295.60 Age:
Core: 14 Depth Bottom of Layer(m): 295.65 Age:
Sect: 1 Thickness of Layer(m) : 0.05
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 2 98 /
Processing Hist: Classification was successful.
Shipboard Lith : SILICIC CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 86 Top/Bottom Interval(mm) : 150/ 270 Age:
Hole: 581 Depth Top of Layer(m) : 295.65 Age:
Core: 14 Depth Bottom of Layer(m): 295.77 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
========== ========= ======== ================ ============
35 50 98 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERT
Screen Lith : CHERT
Leg : 86 Top/Bottom Interval(mm) : 00/ 550 Age:
Hole: 581 Depth Top of Layer(m) : 305.00 Age:
Core: 15 Depth Bottom of Layer(m): 305.55 Age:
Sect: 1 Thickness of Layer(m) : 0.55
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
35 50 98 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERT
Screen Lith : CHERT
Leg : 86 Top/Bottom Interval(mm) : 00/ 180 Age:
Hole: 581 Depth Top of Layer(m) : 314.50 Age:
Core: 16 Depth Bottom of Layer(m): 314.68 Age:
Sect: 1 Thickness of Layer(m) : 0.18
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
35 50 98 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERT
Screen Lith : CHERT
Leg : 86 Top/Bottom Interval(mm) : 00/1070 Age:
Hole: 581 Depth Top of Layer(m) : 324.00 Age:
Core: 17 Depth Bottom of Layer(m): 325.07 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
========== ========= ======== ================ ============
35 50 98 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERT
Screen Lith : CHERT
Leg : 86 Top/Bottom Interval(mm) : 00/ 340 Age:
Hole: 581 Depth Top of Layer(m) : 333.50 Age:
Core: 18 Depth Bottom of Layer(m): 333.84 Age:
Sect: 1 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 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : CHERT
Screen Lith : CHERT
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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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