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Core Data from the Deep Sea Drilling Project
Leg : 28 Top/Bottom Interval(mm) : 460/1050 Age: LOWER PLIOCENE
Hole: 272 Depth Top of Layer(m) : 4.46 Age: LOWER PLIOCENE
Core: 1 Depth Bottom of Layer(m): 5.05 Age:
Sect: 1 Thickness of Layer(m) : 0.59
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 40 58 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : CLAY MINERAL RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 1050/1170 Age: LOWER PLIOCENE
Hole: 272 Depth Top of Layer(m) : 5.05 Age: LOWER PLIOCENE
Core: 1 Depth Bottom of Layer(m): 5.17 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
========== ========= ======== ================ ============
0 12 88 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : QUARTZ RICH CLAY MINERAL RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 1170/1500 Age: LOWER PLIOCENE
Hole: 272 Depth Top of Layer(m) : 5.17 Age: LOWER PLIOCENE
Core: 1 Depth Bottom of Layer(m): 5.50 Age:
Sect: 1 Thickness of Layer(m) : 0.33
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 : DIATOM RICH SILTY CLAY
Screen Lith : QUARTZ RICH CLAY MINERAL RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/ 580 Age: LOWER PLIOCENE
Hole: 272 Depth Top of Layer(m) : 5.50 Age: LOWER PLIOCENE
Core: 1 Depth Bottom of Layer(m): 6.08 Age:
Sect: 2 Thickness of Layer(m) : 0.58
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 81 1.69/ 60 59
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 580/1500 Age: LOWER PLIOCENE
Hole: 272 Depth Top of Layer(m) : 6.08 Age: LOWER PLIOCENE
Core: 1 Depth Bottom of Layer(m): 7.00 Age:
Sect: 2 Thickness of Layer(m) : 0.92
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 2 96 1.97/ 44 98
Processing Hist: Classification was successful.
Shipboard Lith : SAND BEARING CLAYEY SILT
Screen Lith : FELDSPAR RICH QUARTZ RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/ 700 Age: LOWER PLIOCENE
Hole: 272 Depth Top of Layer(m) : 7.00 Age: LOWER PLIOCENE
Core: 1 Depth Bottom of Layer(m): 7.70 Age:
Sect: 3 Thickness of Layer(m) : 0.70
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 96 1.85/ 51 66
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SAND RICH CLAYEY SILT
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 700/1500 Age: LOWER PLIOCENE
Hole: 272 Depth Top of Layer(m) : 7.70 Age: LOWER PLIOCENE
Core: 1 Depth Bottom of Layer(m): 8.50 Age:
Sect: 3 Thickness of Layer(m) : 0.80
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 96 1.87/ 49 85
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYEY SILT
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PLIOCENE
Hole: 272 Depth Top of Layer(m) : 8.50 Age: LOWER PLIOCENE
Core: 1 Depth Bottom of Layer(m): 10.00 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
========== ========= ======== ================ ============
2 3 95 1.96/ 44 154
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILT AND SILTY CLAY
Screen Lith : QUARTZ RICH CLAY MINERAL RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PLIOCENE
Hole: 272 Depth Top of Layer(m) : 10.00 Age: LOWER PLIOCENE
Core: 1 Depth Bottom of Layer(m): 11.50 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
========== ========= ======== ================ ============
2 3 95 2.00/ 42 158
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : QUARTZ RICH CLAY MINERAL RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER PLIOCENE
Hole: 272 Depth Top of Layer(m) : 11.60 Age: LOWER PLIOCENE
Core: 1 Depth Bottom of Layer(m): 11.60 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
========== ========= ======== ================ ============
2 7 91 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILT
Screen Lith : QUARTZ RICH CLAY MINERAL RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 1130/1500 Age: UPPER MIOCENE
Hole: 272 Depth Top of Layer(m) : 14.63 Age: UPPER MIOCENE
Core: 2 Depth Bottom of Layer(m): 15.00 Age:
Sect: 1 Thickness of Layer(m) : 0.37
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 4 94 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : QUARTZ RICH CLAY MINERAL RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 80/1500 Age: UPPER MIOCENE
Hole: 272 Depth Top of Layer(m) : 15.08 Age: UPPER MIOCENE
Core: 2 Depth Bottom of Layer(m): 16.50 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
========== ========= ======== ================ ============
2 4 94 1.99/ 42 144
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : QUARTZ RICH CLAY MINERAL RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 272 Depth Top of Layer(m) : 16.50 Age: UPPER MIOCENE
Core: 2 Depth Bottom of Layer(m): 18.00 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
========== ========= ======== ================ ============
2 4 94 2.04/ 40 158
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY AND CLAY
Screen Lith : QUARTZ RICH CLAY MINERAL RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 272 Depth Top of Layer(m) : 18.00 Age: UPPER MIOCENE
Core: 2 Depth Bottom of Layer(m): 19.50 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
========== ========= ======== ================ ============
2 4 94 2.03/ 40 157
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : QUARTZ RICH CLAY MINERAL RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 272 Depth Top of Layer(m) : 19.50 Age: UPPER MIOCENE
Core: 2 Depth Bottom of Layer(m): 21.00 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
========== ========= ======== ================ ============
2 4 94 1.98/ 43 158
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY AND CLAY
Screen Lith : FELDSPAR RICH CLAY MINERAL RICH SANDY MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: UPPER MIOCENE
Hole: 272 Depth Top of Layer(m) : 21.10 Age: UPPER MIOCENE
Core: 2 Depth Bottom of Layer(m): 21.10 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 4 96 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : QUARTZ RICH CLAY MINERAL RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 150/ 500 Age: UPPER MIOCENE
Hole: 272 Depth Top of Layer(m) : 23.15 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 23.50 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
========== ========= ======== ================ ============
2 4 94 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : QUARTZ RICH CLAY MINERAL RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 500/1500 Age: UPPER MIOCENE
Hole: 272 Depth Top of Layer(m) : 23.50 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 24.50 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
========== ========= ======== ================ ============
2 5 94 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILT AND SILTY CLAY
Screen Lith : FELDSPAR RICH CLAY MINERAL RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 272 Depth Top of Layer(m) : 24.50 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 26.00 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
========== ========= ======== ================ ============
1 7 92 1.83/ 52 156
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILT
Screen Lith : FELDSPAR RICH CLAY MINERAL RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 272 Depth Top of Layer(m) : 26.00 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 27.50 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
========== ========= ======== ================ ============
1 5 94 1.81/ 53 159
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : QUARTZ RICH CLAY MINERAL RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1360 Age: UPPER MIOCENE
Hole: 272 Depth Top of Layer(m) : 27.50 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 28.86 Age:
Sect: 4 Thickness of Layer(m) : 1.36
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 7 91 1.71/ 59 121
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : QUARTZ RICH CLAY MINERAL RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: UPPER MIOCENE
Hole: 272 Depth Top of Layer(m) : 29.10 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 29.10 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:
Shipboard Lith : SILTY CLAY
Screen Lith : QUARTZ RICH CLAY MINERAL RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 730/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 33.23 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 34.00 Age: MIDDLE MIOCENE
Sect: 1 Thickness of Layer(m) : 0.77
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 7 91 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : QUARTZ RICH CLAY MINERAL RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 34.00 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 35.50 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 5 93 1.88/ 49 157
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : QUARTZ RICH CLAY MINERAL RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 35.50 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 37.00 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
1 7 92 1.79/ 54 159
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY AND CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1470 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 37.00 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 38.47 Age: MIDDLE MIOCENE
Sect: 4 Thickness of Layer(m) : 1.47
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
67 5 28 1.76/ 56 150
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY AND CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH CHALK
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 38.50 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 40.00 Age: MIDDLE MIOCENE
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 28 1.77/ 55 158
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY AND CLAY
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 40.10 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 40.10 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 12 86 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM BEARING SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 720/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 42.72 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 43.50 Age: MIDDLE MIOCENE
Sect: 1 Thickness of Layer(m) : 0.78
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 7 91 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 43.50 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 45.00 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 12 87 1.84/ 51 154
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 45.00 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 46.50 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 7 91 1.71/ 59 156
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 46.60 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 46.60 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 7 91 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/ 990 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 51.50 Age: UPPER MIOCENE
Core: 6 Depth Bottom of Layer(m): 52.49 Age: MIDDLE MIOCENE
Sect: 1 Thickness of Layer(m) : 0.99
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
1 20 80 /
Processing Hist:
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 53.00 Age: UPPER MIOCENE
Core: 6 Depth Bottom of Layer(m): 54.50 Age: MIDDLE MIOCENE
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 54.50 Age: UPPER MIOCENE
Core: 6 Depth Bottom of Layer(m): 56.00 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
1 0 0 1.89/ 48 156
Processing Hist:
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 56.00 Age: UPPER MIOCENE
Core: 6 Depth Bottom of Layer(m): 57.50 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 6 93 1.87/ 50 156
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 57.60 Age: UPPER MIOCENE
Core: 6 Depth Bottom of Layer(m): 57.60 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 12 86 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY AND CLAYEY SILT
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 1030/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 62.03 Age: UPPER MIOCENE
Core: 7 Depth Bottom of Layer(m): 62.50 Age: MIDDLE MIOCENE
Sect: 1 Thickness of Layer(m) : 0.47
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 5 93 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 62.50 Age: UPPER MIOCENE
Core: 7 Depth Bottom of Layer(m): 64.00 Age: MIDDLE MIOCENE
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 93 1.68/ 61 142
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 64.10 Age: UPPER MIOCENE
Core: 7 Depth Bottom of Layer(m): 64.10 Age: MIDDLE MIOCENE
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 93 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOM RICH SILTY CLAY
Screen Lith : DIATOM RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 70.50 Age: UPPER MIOCENE
Core: 8 Depth Bottom of Layer(m): 72.00 Age: MIDDLE MIOCENE
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 93 1.72/ 59 160
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 00/ 490 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 72.00 Age: UPPER MIOCENE
Core: 8 Depth Bottom of Layer(m): 72.49 Age: MIDDLE MIOCENE
Sect: 2 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
========== ========= ======== ================ ============
2 5 93 1.95/ 45 50
Processing Hist: Classification was successful.
Shipboard Lith : BRECCIA
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 730/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 72.73 Age: UPPER MIOCENE
Core: 8 Depth Bottom of Layer(m): 73.50 Age: MIDDLE MIOCENE
Sect: 2 Thickness of Layer(m) : 0.77
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 7 91 1.96/ 44 82
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 73.50 Age: UPPER MIOCENE
Core: 8 Depth Bottom of Layer(m): 75.00 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 12 86 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 75.00 Age: UPPER MIOCENE
Core: 8 Depth Bottom of Layer(m): 76.50 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
1 4 95 1.95/ 45 158
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 76.60 Age: UPPER MIOCENE
Core: 8 Depth Bottom of Layer(m): 76.60 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 5 93 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 800/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 80.80 Age: UPPER MIOCENE
Core: 9 Depth Bottom of Layer(m): 81.50 Age: MIDDLE MIOCENE
Sect: 1 Thickness of Layer(m) : 0.70
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 3 95 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : HEAVY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 81.50 Age: UPPER MIOCENE
Core: 9 Depth Bottom of Layer(m): 83.00 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 3 95 1.75/ 57 153
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 83.00 Age: UPPER MIOCENE
Core: 9 Depth Bottom of Layer(m): 84.50 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 13 85 1.86/ 50 156
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 84.50 Age: UPPER MIOCENE
Core: 9 Depth Bottom of Layer(m): 86.00 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 10 88 1.96/ 44 153
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 86.10 Age: UPPER MIOCENE
Core: 9 Depth Bottom of Layer(m): 86.10 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 5 93 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 89.50 Age: UPPER MIOCENE
Core: 10 Depth Bottom of Layer(m): 91.00 Age: MIDDLE MIOCENE
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 1.84/ 51 150
Processing Hist:
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 91.00 Age: UPPER MIOCENE
Core: 10 Depth Bottom of Layer(m): 92.50 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 7 91 1.83/ 52 156
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 92.50 Age: UPPER MIOCENE
Core: 10 Depth Bottom of Layer(m): 94.00 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 12 86 1.94/ 45 96
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 60/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 94.06 Age: UPPER MIOCENE
Core: 10 Depth Bottom of Layer(m): 95.50 Age: MIDDLE MIOCENE
Sect: 4 Thickness of Layer(m) : 1.44
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.93/ 46 143
Processing Hist:
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 95.50 Age: UPPER MIOCENE
Core: 10 Depth Bottom of Layer(m): 97.00 Age: MIDDLE MIOCENE
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 1.94/ 46 157
Processing Hist:
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 97.10 Age: UPPER MIOCENE
Core: 10 Depth Bottom of Layer(m): 97.10 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 7 91 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 99.00 Age: UPPER MIOCENE
Core: 11 Depth Bottom of Layer(m): 100.50 Age: MIDDLE MIOCENE
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 1.79/ 55 156
Processing Hist:
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 100.50 Age: UPPER MIOCENE
Core: 11 Depth Bottom of Layer(m): 102.00 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
1 7 92 1.79/ 54 158
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 102.00 Age: UPPER MIOCENE
Core: 11 Depth Bottom of Layer(m): 103.50 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 7 91 1.89/ 49 157
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 103.50 Age: UPPER MIOCENE
Core: 11 Depth Bottom of Layer(m): 105.00 Age: MIDDLE MIOCENE
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 1.87/ 49 159
Processing Hist:
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1480 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 105.00 Age: UPPER MIOCENE
Core: 11 Depth Bottom of Layer(m): 106.48 Age: MIDDLE MIOCENE
Sect: 5 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
========== ========= ======== ================ ============
2 16 82 1.88/ 49 157
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 106.60 Age: UPPER MIOCENE
Core: 11 Depth Bottom of Layer(m): 106.60 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 4 94 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 280/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 108.78 Age: UPPER MIOCENE
Core: 12 Depth Bottom of Layer(m): 110.00 Age: MIDDLE MIOCENE
Sect: 1 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
========== ========= ======== ================ ============
1 0 0 1.73/ 58 117
Processing Hist:
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 110.00 Age: UPPER MIOCENE
Core: 12 Depth Bottom of Layer(m): 111.50 Age: MIDDLE MIOCENE
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 1.82/ 52 153
Processing Hist:
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 111.60 Age: UPPER MIOCENE
Core: 12 Depth Bottom of Layer(m): 111.60 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 7 91 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 118.00 Age: UPPER MIOCENE
Core: 13 Depth Bottom of Layer(m): 119.50 Age: MIDDLE MIOCENE
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 91 1.79/ 54 140
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 119.50 Age: UPPER MIOCENE
Core: 13 Depth Bottom of Layer(m): 121.00 Age: MIDDLE MIOCENE
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 91 1.81/ 53 159
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 121.00 Age: UPPER MIOCENE
Core: 13 Depth Bottom of Layer(m): 122.50 Age: MIDDLE MIOCENE
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 91 1.83/ 52 158
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 122.60 Age: UPPER MIOCENE
Core: 13 Depth Bottom of Layer(m): 122.60 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 27 71 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : DIATOM RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 127.50 Age: UPPER MIOCENE
Core: 14 Depth Bottom of Layer(m): 129.00 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
3 73 24 1.71/ 59 148
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 129.00 Age: UPPER MIOCENE
Core: 14 Depth Bottom of Layer(m): 130.50 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 0 0 1.82/ 53 159
Processing Hist:
Shipboard Lith : SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 130.50 Age: UPPER MIOCENE
Core: 14 Depth Bottom of Layer(m): 132.00 Age: MIDDLE MIOCENE
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 81 19 1.72/ 59 144
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 132.00 Age: UPPER MIOCENE
Core: 14 Depth Bottom of Layer(m): 133.50 Age: MIDDLE MIOCENE
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 1.77/ 55 148
Processing Hist:
Shipboard Lith : SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 133.60 Age: UPPER MIOCENE
Core: 14 Depth Bottom of Layer(m): 133.60 Age: MIDDLE MIOCENE
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:
Shipboard Lith : SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 880/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 137.88 Age: MIDDLE MIOCENE
Core: 15 Depth Bottom of Layer(m): 138.50 Age:
Sect: 1 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
========== ========= ======== ================ ============
2 0 0 /
Processing Hist:
Shipboard Lith : SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1150 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 138.50 Age: MIDDLE MIOCENE
Core: 15 Depth Bottom of Layer(m): 139.65 Age:
Sect: 2 Thickness of Layer(m) : 1.15
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.78/ 55 119
Processing Hist:
Shipboard Lith : SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 1150/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 139.65 Age: MIDDLE MIOCENE
Core: 15 Depth Bottom of Layer(m): 140.00 Age:
Sect: 2 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
========== ========= ======== ================ ============
2 58 40 1.59/ 66 37
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 140.10 Age: MIDDLE MIOCENE
Core: 15 Depth Bottom of Layer(m): 140.10 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:
Shipboard Lith : DIATOM RICH SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 800/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 147.30 Age: MIDDLE MIOCENE
Core: 16 Depth Bottom of Layer(m): 148.00 Age:
Sect: 1 Thickness of Layer(m) : 0.70
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 148.00 Age: MIDDLE MIOCENE
Core: 16 Depth Bottom of Layer(m): 149.50 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
========== ========= ======== ================ ============
2 85 13 1.70/ 60 154
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/ 100 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 149.50 Age: MIDDLE MIOCENE
Core: 16 Depth Bottom of Layer(m): 149.60 Age:
Sect: 3 Thickness of Layer(m) : 0.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 13 1.36/ 80 2
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : DIATOM RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 100/1400 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 149.60 Age: MIDDLE MIOCENE
Core: 16 Depth Bottom of Layer(m): 150.90 Age:
Sect: 3 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 13 1.81/ 53 139
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 151.10 Age: MIDDLE MIOCENE
Core: 16 Depth Bottom of Layer(m): 151.10 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:
Shipboard Lith : QUARTZ DIORITE
Screen Lith : CLASTIC SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 860/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 156.86 Age: MIDDLE MIOCENE
Core: 17 Depth Bottom of Layer(m): 157.50 Age:
Sect: 1 Thickness of Layer(m) : 0.64
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 : DIATOM SILTY CLAY
Screen Lith : DIATOM RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 60/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 157.56 Age: MIDDLE MIOCENE
Core: 17 Depth Bottom of Layer(m): 159.00 Age:
Sect: 2 Thickness of Layer(m) : 1.44
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.89/ 49 153
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : DIATOM RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/ 650 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 159.00 Age: MIDDLE MIOCENE
Core: 17 Depth Bottom of Layer(m): 159.65 Age:
Sect: 3 Thickness of Layer(m) : 0.65
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.90/ 48 65
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 660/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 159.66 Age: MIDDLE MIOCENE
Core: 17 Depth Bottom of Layer(m): 160.50 Age:
Sect: 3 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 1.69/ 60 89
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : DIATOM RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 160.60 Age: MIDDLE MIOCENE
Core: 17 Depth Bottom of Layer(m): 160.60 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
========== ========= ======== ================ ============
15 81 4 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM DIATOMITE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 165.50 Age: MIDDLE MIOCENE
Core: 18 Depth Bottom of Layer(m): 167.00 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
========== ========= ======== ================ ============
3 72 25 1.48/ 73 123
Processing Hist: Classification was successful.
Shipboard Lith : SILT CLAY-RICH DOLOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM DIATOMITE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 167.00 Age: MIDDLE MIOCENE
Core: 18 Depth Bottom of Layer(m): 168.50 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
========== ========= ======== ================ ============
1 74 25 1.51/ 71 147
Processing Hist: Classification was successful.
Shipboard Lith : SILT CLAY DOLOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM DIATOMITE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 168.60 Age: MIDDLE MIOCENE
Core: 18 Depth Bottom of Layer(m): 168.60 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:
Shipboard Lith : DIATOM SILT
Screen Lith : SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 1280/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 176.28 Age: MIDDLE MIOCENE
Core: 19 Depth Bottom of Layer(m): 176.50 Age:
Sect: 1 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 : SILT CLAY DIATOMITE
Screen Lith : SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 176.50 Age: MIDDLE MIOCENE
Core: 19 Depth Bottom of Layer(m): 178.00 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
========== ========= ======== ================ ============
2 64 34 1.58/ 67 157
Processing Hist: Classification was successful.
Shipboard Lith : SILT CLAY DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM CHERT
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 178.00 Age: MIDDLE MIOCENE
Core: 19 Depth Bottom of Layer(m): 179.50 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
========== ========= ======== ================ ============
2 84 14 1.53/ 70 158
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/ 800 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 179.50 Age: MIDDLE MIOCENE
Core: 19 Depth Bottom of Layer(m): 180.30 Age:
Sect: 4 Thickness of Layer(m) : 0.80
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 72 26 1.53/ 70 84
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 800/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 180.30 Age: MIDDLE MIOCENE
Core: 19 Depth Bottom of Layer(m): 181.00 Age:
Sect: 4 Thickness of Layer(m) : 0.70
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.58/ 67 74
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 00/1440 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 181.00 Age: MIDDLE MIOCENE
Core: 19 Depth Bottom of Layer(m): 182.44 Age:
Sect: 5 Thickness of Layer(m) : 1.44
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 42 56 1.56/ 68 145
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 182.50 Age: MIDDLE MIOCENE
Core: 19 Depth Bottom of Layer(m): 184.00 Age:
Sect: 6 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 74 24 1.60/ 66 154
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 184.10 Age: MIDDLE MIOCENE
Core: 19 Depth Bottom of Layer(m): 184.10 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 12 88 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM BEARING SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 184.60 Age: MIDDLE MIOCENE
Core: 20 Depth Bottom of Layer(m): 184.60 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 88 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : DIATOM RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 1120/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 195.12 Age: MIDDLE MIOCENE
Core: 21 Depth Bottom of Layer(m): 195.50 Age:
Sect: 1 Thickness of Layer(m) : 0.38
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 88 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : DIATOM RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 195.50 Age: MIDDLE MIOCENE
Core: 21 Depth Bottom of Layer(m): 197.00 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
========== ========= ======== ================ ============
1 73 27 1.48/ 73 156
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1370 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 197.00 Age: MIDDLE MIOCENE
Core: 21 Depth Bottom of Layer(m): 198.37 Age:
Sect: 3 Thickness of Layer(m) : 1.37
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 67 31 1.51/ 71 142
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM CHERT
Leg : 28 Top/Bottom Interval(mm) : 1370/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 198.37 Age: MIDDLE MIOCENE
Core: 21 Depth Bottom of Layer(m): 198.50 Age:
Sect: 3 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 31 1.87/ 50 13
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 198.50 Age: MIDDLE MIOCENE
Core: 21 Depth Bottom of Layer(m): 200.00 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 31 1.47/ 74 148
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : DIATOM RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 200.00 Age: MIDDLE MIOCENE
Core: 21 Depth Bottom of Layer(m): 201.50 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 31 1.52/ 71 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY DIATOMITE AND DIATOM SILTY CLAYSTONE
Screen Lith : DIATOM RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 201.60 Age: MIDDLE MIOCENE
Core: 21 Depth Bottom of Layer(m): 201.60 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
========== ========= ======== ================ ============
1 31 68 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAYL DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 204.00 Age: UPPER MIOCENE
Core: 22 Depth Bottom of Layer(m): 205.50 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 52 46 1.46/ 74 155
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 205.50 Age: UPPER MIOCENE
Core: 22 Depth Bottom of Layer(m): 207.00 Age: MIDDLE MIOCENE
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 1.48/ 73 156
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 207.00 Age: UPPER MIOCENE
Core: 22 Depth Bottom of Layer(m): 208.50 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 52 46 1.47/ 74 155
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAYSTONE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 208.50 Age: UPPER MIOCENE
Core: 22 Depth Bottom of Layer(m): 210.00 Age: MIDDLE MIOCENE
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 52 48 1.53/ 70 149
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 210.00 Age: UPPER MIOCENE
Core: 22 Depth Bottom of Layer(m): 211.50 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 41 57 1.40/ 78 156
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 211.50 Age: UPPER MIOCENE
Core: 22 Depth Bottom of Layer(m): 213.00 Age: MIDDLE MIOCENE
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 51 49 1.39/ 78 146
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 213.10 Age: UPPER MIOCENE
Core: 22 Depth Bottom of Layer(m): 213.10 Age: MIDDLE MIOCENE
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:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 660/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 213.66 Age: UPPER MIOCENE
Core: 23 Depth Bottom of Layer(m): 214.50 Age: MIDDLE MIOCENE
Sect: 1 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 1.51/ 71 80
Processing Hist:
Shipboard Lith : SILTY CLAY DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 214.50 Age: UPPER MIOCENE
Core: 23 Depth Bottom of Layer(m): 216.00 Age: MIDDLE MIOCENE
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 62 38 1.53/ 70 156
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 216.00 Age: UPPER MIOCENE
Core: 23 Depth Bottom of Layer(m): 217.50 Age: MIDDLE MIOCENE
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 1.53/ 70 137
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 217.50 Age: UPPER MIOCENE
Core: 23 Depth Bottom of Layer(m): 219.00 Age: MIDDLE MIOCENE
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 51 49 1.51/ 71 157
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 310/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 222.81 Age: UPPER MIOCENE
Core: 24 Depth Bottom of Layer(m): 224.00 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 52 46 1.44/ 75 111
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 224.00 Age: UPPER MIOCENE
Core: 24 Depth Bottom of Layer(m): 225.50 Age: MIDDLE MIOCENE
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 1.43/ 76 143
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 680/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 232.68 Age: UPPER MIOCENE
Core: 25 Depth Bottom of Layer(m): 233.50 Age: MIDDLE MIOCENE
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 0 1.43/ 76 81
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 233.50 Age: UPPER MIOCENE
Core: 25 Depth Bottom of Layer(m): 235.00 Age: MIDDLE MIOCENE
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 1.44/ 75 144
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 235.00 Age: UPPER MIOCENE
Core: 25 Depth Bottom of Layer(m): 236.50 Age: MIDDLE MIOCENE
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 1.47/ 74 149
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 30/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 236.53 Age: UPPER MIOCENE
Core: 25 Depth Bottom of Layer(m): 238.00 Age: MIDDLE MIOCENE
Sect: 4 Thickness of Layer(m) : 1.47
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 72 26 1.50/ 72 153
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 238.10 Age: UPPER MIOCENE
Core: 25 Depth Bottom of Layer(m): 238.10 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
22 61 17 /
Processing Hist: Classification was successful.
Shipboard Lith : SILT CLAY RICH DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 1310/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 242.81 Age: UPPER MIOCENE
Core: 26 Depth Bottom of Layer(m): 243.00 Age: MIDDLE MIOCENE
Sect: 1 Thickness of Layer(m) : 0.19
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.40/ 77 14
Processing Hist:
Shipboard Lith : SILTY CLAY DIATOM
Screen Lith : SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 243.10 Age: UPPER MIOCENE
Core: 26 Depth Bottom of Layer(m): 243.10 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
3 63 34 /
Processing Hist: Classification was successful.
Shipboard Lith : SILT-CLAY RICH DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM CHERT
Leg : 28 Top/Bottom Interval(mm) : 00/1100 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 251.00 Age: UPPER MIOCENE
Core: 27 Depth Bottom of Layer(m): 252.10 Age: MIDDLE MIOCENE
Sect: 1 Thickness of Layer(m) : 1.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 31 69 1.50/ 72 111
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TRANSITIONAL SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 1100/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 252.10 Age: UPPER MIOCENE
Core: 27 Depth Bottom of Layer(m): 252.50 Age: MIDDLE MIOCENE
Sect: 1 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
========== ========= ======== ================ ============
4 42 54 1.53/ 70 42
Processing Hist: Classification was successful.
Shipboard Lith : DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1460 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 252.50 Age: UPPER MIOCENE
Core: 27 Depth Bottom of Layer(m): 253.96 Age: MIDDLE MIOCENE
Sect: 2 Thickness of Layer(m) : 1.46
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 44 56 1.54/ 69 138
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 254.00 Age: UPPER MIOCENE
Core: 27 Depth Bottom of Layer(m): 255.50 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 42 56 1.52/ 70 152
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 255.60 Age: UPPER MIOCENE
Core: 27 Depth Bottom of Layer(m): 255.60 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 62 36 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM CHERT
Leg : 28 Top/Bottom Interval(mm) : 1050/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 261.55 Age: UPPER MIOCENE
Core: 28 Depth Bottom of Layer(m): 262.00 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
0 0 0 1.44/ 75 30
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 60/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 262.06 Age: UPPER MIOCENE
Core: 28 Depth Bottom of Layer(m): 263.50 Age: MIDDLE MIOCENE
Sect: 2 Thickness of Layer(m) : 1.44
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 47 51 1.48/ 73 131
Processing Hist:
Shipboard Lith : SILTY CLAY DIATOMITE AND DIATOM SILTY CLAY
Screen Lith : SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 263.60 Age: UPPER MIOCENE
Core: 28 Depth Bottom of Layer(m): 263.60 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 72 26 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM DIATOMITE
Leg : 28 Top/Bottom Interval(mm) : 00/ 500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 270.00 Age: UPPER MIOCENE
Core: 29 Depth Bottom of Layer(m): 270.50 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
2 42 56 1.45/ 74 50
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 500/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 270.50 Age: UPPER MIOCENE
Core: 29 Depth Bottom of Layer(m): 271.50 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
3 82 15 1.55/ 68 106
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILT RICH DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1450 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 271.50 Age: UPPER MIOCENE
Core: 29 Depth Bottom of Layer(m): 272.95 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
3 42 55 1.55/ 69 133
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 273.00 Age: UPPER MIOCENE
Core: 29 Depth Bottom of Layer(m): 274.50 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
1 0 0 1.56/ 68 155
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TRANSITIONAL SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 274.50 Age: UPPER MIOCENE
Core: 29 Depth Bottom of Layer(m): 276.00 Age: MIDDLE MIOCENE
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 1.57/ 67 158
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TRANSITIONAL SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 00/ 250 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 276.00 Age: UPPER MIOCENE
Core: 29 Depth Bottom of Layer(m): 276.25 Age: MIDDLE MIOCENE
Sect: 5 Thickness of Layer(m) : 0.25
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.55/ 69 22
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TRANSITIONAL SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 250/1500 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 276.25 Age: UPPER MIOCENE
Core: 29 Depth Bottom of Layer(m): 277.50 Age: MIDDLE MIOCENE
Sect: 5 Thickness of Layer(m) : 1.25
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 62 36 1.47/ 73 131
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILT DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIOCENE
Hole: 272 Depth Top of Layer(m) : 277.60 Age: UPPER MIOCENE
Core: 29 Depth Bottom of Layer(m): 277.60 Age: MIDDLE MIOCENE
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
========== ========= ======== ================ ============
3 82 15 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM DIATOMITE
Leg : 28 Top/Bottom Interval(mm) : 1080/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 280.58 Age: MIDDLE MIOCENE
Core: 30 Depth Bottom of Layer(m): 281.00 Age:
Sect: 1 Thickness of Layer(m) : 0.42
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
10 60 30 1.46/ 74 36
Processing Hist: Classification was successful.
Shipboard Lith : MICARB BEARING SILTY CLAY DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM CHERT
Leg : 28 Top/Bottom Interval(mm) : 120/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 281.12 Age: MIDDLE MIOCENE
Core: 30 Depth Bottom of Layer(m): 282.50 Age:
Sect: 2 Thickness of Layer(m) : 1.38
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 62 36 1.52/ 70 140
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILT DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 282.60 Age: MIDDLE MIOCENE
Core: 30 Depth Bottom of Layer(m): 282.60 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
========== ========= ======== ================ ============
2 61 37 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM CHERT
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 289.00 Age: MIDDLE MIOCENE
Core: 31 Depth Bottom of Layer(m): 290.50 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
========== ========= ======== ================ ============
3 66 31 1.47/ 74 151
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 290.50 Age: MIDDLE MIOCENE
Core: 31 Depth Bottom of Layer(m): 292.00 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
========== ========= ======== ================ ============
1 42 57 1.49/ 72 149
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 1290/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 299.79 Age: MIDDLE MIOCENE
Core: 32 Depth Bottom of Layer(m): 300.00 Age:
Sect: 1 Thickness of Layer(m) : 0.21
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.51/ 71 17
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 300.00 Age: MIDDLE MIOCENE
Core: 32 Depth Bottom of Layer(m): 301.50 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/ 70 131
Processing Hist:
Shipboard Lith : DIATOM CLAYEY SILT
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 80/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 301.58 Age: MIDDLE MIOCENE
Core: 32 Depth Bottom of Layer(m): 303.00 Age:
Sect: 3 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 1.46/ 74 135
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 303.10 Age: MIDDLE MIOCENE
Core: 32 Depth Bottom of Layer(m): 303.10 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
========== ========= ======== ================ ============
2 43 55 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 550/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 308.55 Age: MIDDLE MIOCENE
Core: 33 Depth Bottom of Layer(m): 309.50 Age:
Sect: 1 Thickness of Layer(m) : 0.95
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
1 0 0 1.47/ 73 83
Processing Hist:
Shipboard Lith : CLAYEY SILT DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 80/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 309.58 Age: MIDDLE MIOCENE
Core: 33 Depth Bottom of Layer(m): 311.00 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
========== ========= ======== ================ ============
0 0 0 1.57/ 67 128
Processing Hist:
Shipboard Lith : CLAYEY SILT DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 311.00 Age: MIDDLE MIOCENE
Core: 33 Depth Bottom of Layer(m): 312.50 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
========== ========= ======== ================ ============
2 42 56 1.52/ 70 126
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAYSTONE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 700/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 318.20 Age: MIDDLE MIOCENE
Core: 34 Depth Bottom of Layer(m): 319.00 Age:
Sect: 1 Thickness of Layer(m) : 0.80
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
3 42 55 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 319.10 Age: MIDDLE MIOCENE
Core: 34 Depth Bottom of Layer(m): 319.10 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
========== ========= ======== ================ ============
7 77 16 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILT RICH DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM DIATOMITE
Leg : 28 Top/Bottom Interval(mm) : 1180/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 328.18 Age: MIDDLE MIOCENE
Core: 35 Depth Bottom of Layer(m): 328.50 Age:
Sect: 1 Thickness of Layer(m) : 0.32
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 42 56 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 328.60 Age: MIDDLE MIOCENE
Core: 35 Depth Bottom of Layer(m): 328.60 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
========== ========= ======== ================ ============
2 32 66 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 336.60 Age: MIDDLE MIOCENE
Core: 36 Depth Bottom of Layer(m): 336.60 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:
Shipboard Lith : ****** NO LITH GIVEN ***
Screen Lith : TRANSITIONAL SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 480/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 346.48 Age: MIDDLE MIOCENE
Core: 37 Depth Bottom of Layer(m): 347.50 Age:
Sect: 1 Thickness of Layer(m) : 1.02
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 62 36 1.54/ 69 108
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY DIATOMITE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 347.50 Age: MIDDLE MIOCENE
Core: 37 Depth Bottom of Layer(m): 349.00 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
========== ========= ======== ================ ============
2 42 56 1.52/ 71 146
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAYSTONE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 30/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 349.03 Age: MIDDLE MIOCENE
Core: 37 Depth Bottom of Layer(m): 350.50 Age:
Sect: 3 Thickness of Layer(m) : 1.47
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
1 31 68 1.54/ 69 150
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 350.60 Age: MIDDLE MIOCENE
Core: 37 Depth Bottom of Layer(m): 350.60 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
========== ========= ======== ================ ============
2 42 56 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 740/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 356.24 Age: MIDDLE MIOCENE
Core: 38 Depth Bottom of Layer(m): 357.00 Age:
Sect: 1 Thickness of Layer(m) : 0.76
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
3 32 65 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 357.00 Age: MIDDLE MIOCENE
Core: 38 Depth Bottom of Layer(m): 358.50 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
========== ========= ======== ================ ============
2 42 56 1.52/ 70 153
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAYSTONE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 358.60 Age: MIDDLE MIOCENE
Core: 38 Depth Bottom of Layer(m): 358.60 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
========== ========= ======== ================ ============
2 32 66 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 320/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 365.32 Age: MIDDLE MIOCENE
Core: 39 Depth Bottom of Layer(m): 366.50 Age:
Sect: 1 Thickness of Layer(m) : 1.18
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 66 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 366.60 Age: MIDDLE MIOCENE
Core: 39 Depth Bottom of Layer(m): 366.60 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 66 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYEY SILT
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 374.60 Age: MIDDLE MIOCENE
Core: 40 Depth Bottom of Layer(m): 374.60 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
========== ========= ======== ================ ============
2 2 96 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 530/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 384.53 Age: MIDDLE MIOCENE
Core: 41 Depth Bottom of Layer(m): 385.50 Age:
Sect: 1 Thickness of Layer(m) : 0.97
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 0 98 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 670/1500 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 394.17 Age: MIDDLE MIOCENE
Core: 42 Depth Bottom of Layer(m): 395.00 Age:
Sect: 1 Thickness of Layer(m) : 0.83
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 98 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 403.10 Age: MIDDLE MIOCENE
Core: 43 Depth Bottom of Layer(m): 403.10 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:
Shipboard Lith : SILTY CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 412.60 Age: MIDDLE MIOCENE
Core: 44 Depth Bottom of Layer(m): 412.60 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 : SILTY CLAY
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: MIDDLE MIOCENE
Hole: 272 Depth Top of Layer(m) : 422.10 Age: MIDDLE MIOCENE
Core: 45 Depth Bottom of Layer(m): 422.10 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
========== ========= ======== ================ ============
1 1 99 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH CLAY MINERAL RICH MUD
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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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