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Core Data from the Deep Sea Drilling Project
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 0.00 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 1.50 Age: PLIOCENE
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 12 85 /
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) : 00/1500 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 1.50 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 3.00 Age: PLIOCENE
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 33 67 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 3.00 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 4.50 Age: PLIOCENE
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 30 70 1.41/ 77 158
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 4.50 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 6.00 Age: PLIOCENE
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 32 68 1.39/ 78 155
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 6.00 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 7.50 Age: PLIOCENE
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
========== ========= ======== ================ ============
25 40 68 1.44/ 75 151
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOM-RICH SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 7.50 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 9.00 Age: PLIOCENE
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 27 73 1.45/ 74 155
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 9.10 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 9.10 Age: PLIOCENE
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 : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 1400/1500 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 10.90 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 11.00 Age: PLIOCENE
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 : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 11.00 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 12.50 Age: PLIOCENE
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 8 92 1.51/ 71 156
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) : 00/1500 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 12.50 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 14.00 Age: PLIOCENE
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 41 58 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/ 150 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 14.00 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 14.15 Age: PLIOCENE
Sect: 4 Thickness of Layer(m) : 0.15
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
25 40 58 1.50/ 72 13
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOM? SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 150/ 250 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 14.15 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 14.25 Age: PLIOCENE
Sect: 4 Thickness of Layer(m) : 0.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
25 40 58 1.53/ 70 11
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 250/1500 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 14.25 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 15.50 Age: PLIOCENE
Sect: 4 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
========== ========= ======== ================ ============
25 40 58 1.53/ 70 133
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 15.50 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 17.00 Age: PLIOCENE
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 25 75 1.56/ 68 156
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM-RICH SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 17.00 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 18.50 Age: PLIOCENE
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 19 79 1.52/ 71 147
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM-RICH SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 18.60 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 18.60 Age: PLIOCENE
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 21 79 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM-RICH SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 310/1500 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 19.31 Age: QUATERNARY
Core: 3 Depth Bottom of Layer(m): 20.50 Age: PLIOCENE
Sect: 1 Thickness of Layer(m) : 1.19
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 15 85 /
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) : 00/1500 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 20.50 Age: QUATERNARY
Core: 3 Depth Bottom of Layer(m): 22.00 Age: PLIOCENE
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 1.50/ 72 158
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM-RICH CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 22.00 Age: QUATERNARY
Core: 3 Depth Bottom of Layer(m): 23.50 Age: PLIOCENE
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 37 63 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 23.50 Age: QUATERNARY
Core: 3 Depth Bottom of Layer(m): 25.00 Age: PLIOCENE
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 22 78 1.55/ 69 157
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM-RICH DETRITAL CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 25.00 Age: QUATERNARY
Core: 3 Depth Bottom of Layer(m): 26.50 Age: PLIOCENE
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 16 84 1.57/ 68 157
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM-RICH SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 26.50 Age: QUATERNARY
Core: 3 Depth Bottom of Layer(m): 28.00 Age: PLIOCENE
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 13 85 1.54/ 69 155
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM-RICH SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 28.10 Age: QUATERNARY
Core: 3 Depth Bottom of Layer(m): 28.10 Age: PLIOCENE
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 51 47 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1460 Age: CENOZOIC
Hole: 274 Depth Top of Layer(m) : 28.50 Age: QUATERNARY
Core: 4 Depth Bottom of Layer(m): 29.96 Age: PLIOCENE
Sect: 1 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 19 81 /
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) : 00/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 30.00 Age: PLIOCENE
Core: 4 Depth Bottom of Layer(m): 31.50 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 19 81 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM-RICH SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 31.60 Age: PLIOCENE
Core: 4 Depth Bottom of Layer(m): 31.60 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 81 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOM RICH? SILTY? CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 1060/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 39.06 Age: PLIOCENE
Core: 5 Depth Bottom of Layer(m): 39.50 Age:
Sect: 1 Thickness of Layer(m) : 0.44
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 67 33 1.42/ 76 44
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM-BEARING SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1150 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 39.50 Age: PLIOCENE
Core: 5 Depth Bottom of Layer(m): 40.65 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
========== ========= ======== ================ ============
3 0 0 1.50/ 72 115
Processing Hist:
Shipboard Lith : DIATOM-BEARING SILTY CLAY
Screen Lith : TRANSITIONAL SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 1150/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 40.65 Age: PLIOCENE
Core: 5 Depth Bottom of Layer(m): 41.00 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
========== ========= ======== ================ ============
0 39 61 1.52/ 70 37
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/ 400 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 41.00 Age: PLIOCENE
Core: 5 Depth Bottom of Layer(m): 41.40 Age:
Sect: 3 Thickness of Layer(m) : 0.40
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.47/ 73 38
Processing Hist:
Shipboard Lith : DIATOM DETRITAL CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 400/ 800 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 41.40 Age: PLIOCENE
Core: 5 Depth Bottom of Layer(m): 41.80 Age:
Sect: 3 Thickness of Layer(m) : 0.40
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 39 61 1.49/ 72 43
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 800/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 41.80 Age: PLIOCENE
Core: 5 Depth Bottom of Layer(m): 42.50 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 61 1.47/ 73 74
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOM CLAY
Screen Lith : DIATOM RICH CLAY
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 42.60 Age: PLIOCENE
Core: 5 Depth Bottom of Layer(m): 42.60 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 28 72 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM-RICH CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 48.00 Age: PLIOCENE
Core: 6 Depth Bottom of Layer(m): 49.50 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 45 55 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 49.50 Age: PLIOCENE
Core: 6 Depth Bottom of Layer(m): 51.00 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 24 76 1.53/ 70 157
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM-RICH CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1270 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 51.00 Age: PLIOCENE
Core: 6 Depth Bottom of Layer(m): 52.27 Age:
Sect: 3 Thickness of Layer(m) : 1.27
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
25 40 76 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOM-BEARING SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 1270/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 52.27 Age: PLIOCENE
Core: 6 Depth Bottom of Layer(m): 52.50 Age:
Sect: 3 Thickness of Layer(m) : 0.23
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 8 92 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1200 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 52.50 Age: PLIOCENE
Core: 6 Depth Bottom of Layer(m): 53.70 Age:
Sect: 4 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 7 93 1.53/ 70 127
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY AND DIATOM-BEARING SILT
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 54.00 Age: PLIOCENE
Core: 6 Depth Bottom of Layer(m): 55.50 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 59 41 /
Processing Hist: Classification was successful.
Shipboard Lith : DETRITAL CLAY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 55.50 Age: PLIOCENE
Core: 6 Depth Bottom of Layer(m): 57.00 Age:
Sect: 6 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 57 43 1.45/ 75 155
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 57.10 Age: PLIOCENE
Core: 6 Depth Bottom of Layer(m): 57.10 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 46 54 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 60/1450 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 57.06 Age: PLIOCENE
Core: 7 Depth Bottom of Layer(m): 58.45 Age:
Sect: 1 Thickness of Layer(m) : 1.39
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 54 46 1.44/ 76 147
Processing Hist: Classification was successful.
Shipboard Lith : SILTY-CLAY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 58.50 Age: PLIOCENE
Core: 7 Depth Bottom of Layer(m): 60.00 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 36 64 1.53/ 70 153
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 60.10 Age: PLIOCENE
Core: 7 Depth Bottom of Layer(m): 60.10 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 32 69 /
Processing Hist:
Shipboard Lith : DIATOM-RICH SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 66.60 Age: PLIOCENE
Core: 8 Depth Bottom of Layer(m): 66.60 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 DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 210/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 76.21 Age: PLIOCENE
Core: 9 Depth Bottom of Layer(m): 77.50 Age:
Sect: 1 Thickness of Layer(m) : 1.29
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 49 51 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 77.50 Age: PLIOCENE
Core: 9 Depth Bottom of Layer(m): 79.00 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 49 51 1.42/ 76 157
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM? CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 79.00 Age: PLIOCENE
Core: 9 Depth Bottom of Layer(m): 80.50 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 39 59 1.51/ 71 158
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1000 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 80.50 Age: PLIOCENE
Core: 9 Depth Bottom of Layer(m): 81.50 Age:
Sect: 4 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 39 59 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 1000/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 81.50 Age: PLIOCENE
Core: 9 Depth Bottom of Layer(m): 82.00 Age:
Sect: 4 Thickness of Layer(m) : 0.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 82.00 Age: PLIOCENE
Core: 9 Depth Bottom of Layer(m): 83.50 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 1.52/ 70 156
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 83.50 Age: PLIOCENE
Core: 9 Depth Bottom of Layer(m): 85.00 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
========== ========= ======== ================ ============
1 55 45 /
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 85.10 Age: PLIOCENE
Core: 9 Depth Bottom of Layer(m): 85.10 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 34 64 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 550/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 86.05 Age: PLIOCENE
Core: 10 Depth Bottom of Layer(m): 87.00 Age:
Sect: 1 Thickness of Layer(m) : 0.95
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 54 46 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 87.00 Age: PLIOCENE
Core: 10 Depth Bottom of Layer(m): 88.50 Age:
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.44/ 75 156
Processing Hist:
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 88.50 Age: PLIOCENE
Core: 10 Depth Bottom of Layer(m): 90.00 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
1 56 44 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 90.00 Age: PLIOCENE
Core: 10 Depth Bottom of Layer(m): 91.50 Age:
Sect: 4 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 41 59 1.49/ 73 157
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: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 91.50 Age: PLIOCENE
Core: 10 Depth Bottom of Layer(m): 93.00 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 28 70 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 93.00 Age: PLIOCENE
Core: 10 Depth Bottom of Layer(m): 94.50 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 41 59 1.43/ 76 157
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: PLIOCENE
Hole: 274 Depth Top of Layer(m) : 94.60 Age: PLIOCENE
Core: 10 Depth Bottom of Layer(m): 94.60 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 62 38 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 1140/1500 Age: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 96.14 Age: UPPER MIOCENE
Core: 11 Depth Bottom of Layer(m): 96.50 Age:
Sect: 1 Thickness of Layer(m) : 0.36
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : DIATOM DETRIYAL SILTY CLAY
Screen Lith : TRANSITIONAL SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 96.50 Age: UPPER MIOCENE
Core: 11 Depth Bottom of Layer(m): 98.00 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 37 63 1.44/ 75 155
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1450 Age: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 98.00 Age: UPPER MIOCENE
Core: 11 Depth Bottom of Layer(m): 99.45 Age:
Sect: 3 Thickness of Layer(m) : 1.45
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
3 0 0 1.42/ 76 143
Processing Hist:
Shipboard Lith : DIATOM DETRITAL CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 99.50 Age: UPPER MIOCENE
Core: 11 Depth Bottom of Layer(m): 101.00 Age:
Sect: 4 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.43/ 76 148
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 101.10 Age: UPPER MIOCENE
Core: 11 Depth Bottom of Layer(m): 101.10 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 42 58 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 960/1500 Age: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 105.46 Age: UPPER MIOCENE
Core: 12 Depth Bottom of Layer(m): 106.00 Age:
Sect: 1 Thickness of Layer(m) : 0.54
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 58 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 106.00 Age: UPPER MIOCENE
Core: 12 Depth Bottom of Layer(m): 107.50 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 29 71 1.61/ 65 158
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 107.50 Age: UPPER MIOCENE
Core: 12 Depth Bottom of Layer(m): 109.00 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 41 59 /
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: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 109.00 Age: UPPER MIOCENE
Core: 12 Depth Bottom of Layer(m): 110.50 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 24 76 1.60/ 65 157
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM-RICH SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 110.50 Age: UPPER MIOCENE
Core: 12 Depth Bottom of Layer(m): 112.00 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 36 64 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM-RICH SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 112.00 Age: UPPER MIOCENE
Core: 12 Depth Bottom of Layer(m): 113.50 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 29 71 1.67/ 61 155
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 370/1500 Age: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 114.37 Age: UPPER MIOCENE
Core: 13 Depth Bottom of Layer(m): 115.50 Age:
Sect: 1 Thickness of Layer(m) : 1.13
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 19 81 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM RICH SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 115.50 Age: UPPER MIOCENE
Core: 13 Depth Bottom of Layer(m): 117.00 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 15 85 1.51/ 71 157
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 117.00 Age: UPPER MIOCENE
Core: 13 Depth Bottom of Layer(m): 118.50 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 27 73 /
Processing Hist:
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 118.50 Age: UPPER MIOCENE
Core: 13 Depth Bottom of Layer(m): 120.00 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 19 81 1.54/ 69 157
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM RICH CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 120.00 Age: UPPER MIOCENE
Core: 13 Depth Bottom of Layer(m): 121.50 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 20 80 1.54/ 69 158
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM RICH CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 121.50 Age: UPPER MIOCENE
Core: 13 Depth Bottom of Layer(m): 123.00 Age:
Sect: 6 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 28 72 /
Processing Hist:
Shipboard Lith : DIATOM DETRITAL CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 124.00 Age: UPPER MIOCENE
Core: 14 Depth Bottom of Layer(m): 125.50 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
========== ========= ======== ================ ============
2 30 68 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 125.50 Age: UPPER MIOCENE
Core: 14 Depth Bottom of Layer(m): 127.00 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 37 62 1.57/ 68 159
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: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 127.00 Age: UPPER MIOCENE
Core: 14 Depth Bottom of Layer(m): 128.50 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 37 61 /
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: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 128.50 Age: UPPER MIOCENE
Core: 14 Depth Bottom of Layer(m): 130.00 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
========== ========= ======== ================ ============
1 12 87 1.59/ 66 157
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 130.00 Age: UPPER MIOCENE
Core: 14 Depth Bottom of Layer(m): 131.50 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 30 68 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 274 Depth Top of Layer(m) : 131.50 Age: UPPER MIOCENE
Core: 14 Depth Bottom of Layer(m): 133.00 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
========== ========= ======== ================ ============
1 37 62 1.59/ 67 154
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: 274 Depth Top of Layer(m) : 133.50 Age: MIDDLE MIOCENE
Core: 15 Depth Bottom of Layer(m): 135.00 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
========== ========= ======== ================ ============
2 27 71 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM RICH SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 274 Depth Top of Layer(m) : 135.00 Age: MIDDLE MIOCENE
Core: 15 Depth Bottom of Layer(m): 136.50 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 27 73 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM RICH DETRITAL SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1440 Age: MIDDLE MIOCENE
Hole: 274 Depth Top of Layer(m) : 136.50 Age: MIDDLE MIOCENE
Core: 15 Depth Bottom of Layer(m): 137.94 Age:
Sect: 3 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 19 81 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM RICH SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/ 150 Age: MIDDLE MIOCENE
Hole: 274 Depth Top of Layer(m) : 138.00 Age: MIDDLE MIOCENE
Core: 15 Depth Bottom of Layer(m): 138.15 Age:
Sect: 4 Thickness of Layer(m) : 0.15
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : DIATOM RICH SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 150/1500 Age: MIDDLE MIOCENE
Hole: 274 Depth Top of Layer(m) : 138.15 Age: MIDDLE MIOCENE
Core: 15 Depth Bottom of Layer(m): 139.50 Age:
Sect: 4 Thickness of Layer(m) : 1.35
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 13 87 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM RICH CLAYEY SILT
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1470 Age: MIDDLE MIOCENE
Hole: 274 Depth Top of Layer(m) : 139.50 Age: MIDDLE MIOCENE
Core: 15 Depth Bottom of Layer(m): 140.97 Age:
Sect: 5 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
========== ========= ======== ================ ============
0 10 90 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM BEARING SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 274 Depth Top of Layer(m) : 141.00 Age: MIDDLE MIOCENE
Core: 15 Depth Bottom of Layer(m): 142.50 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
========== ========= ======== ================ ============
25 40 90 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOM DETRITAL CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 274 Depth Top of Layer(m) : 142.50 Age: MIDDLE MIOCENE
Core: 16 Depth Bottom of Layer(m): 144.00 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
========== ========= ======== ================ ============
2 34 64 1.59/ 67 157
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/ 300 Age: MIDDLE MIOCENE
Hole: 274 Depth Top of Layer(m) : 144.00 Age: MIDDLE MIOCENE
Core: 16 Depth Bottom of Layer(m): 144.30 Age:
Sect: 2 Thickness of Layer(m) : 0.30
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 64 1.69/ 60 25
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : DIATOM RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 300/1470 Age: MIDDLE MIOCENE
Hole: 274 Depth Top of Layer(m) : 144.30 Age: MIDDLE MIOCENE
Core: 16 Depth Bottom of Layer(m): 145.47 Age:
Sect: 2 Thickness of Layer(m) : 1.17
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
3 16 81 1.83/ 52 124
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM RICH CLAYEY SILT
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 274 Depth Top of Layer(m) : 145.50 Age: MIDDLE MIOCENE
Core: 16 Depth Bottom of Layer(m): 147.00 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 28 70 1.67/ 61 155
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM RICH SILTY CLAY
Screen Lith : DIATOM RICH CLAY MINERAL RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 1200/1500 Age: LOWER MIOCENE
Hole: 274 Depth Top of Layer(m) : 153.20 Age: LOWER MIOCENE
Core: 17 Depth Bottom of Layer(m): 153.50 Age:
Sect: 1 Thickness of Layer(m) : 0.30
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : DIATOM RICH SILTY CLAYSTONE
Screen Lith : CLASTIC SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 274 Depth Top of Layer(m) : 153.50 Age: LOWER MIOCENE
Core: 17 Depth Bottom of Layer(m): 155.00 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 22 76 1.53/ 70 156
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM RICH SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/ 650 Age: LOWER MIOCENE
Hole: 274 Depth Top of Layer(m) : 155.00 Age: LOWER MIOCENE
Core: 17 Depth Bottom of Layer(m): 155.65 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 1.66/ 62 63
Processing Hist:
Shipboard Lith : DIATOM RICH SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 650/1500 Age: LOWER MIOCENE
Hole: 274 Depth Top of Layer(m) : 155.65 Age: LOWER MIOCENE
Core: 17 Depth Bottom of Layer(m): 156.50 Age:
Sect: 3 Thickness of Layer(m) : 0.85
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 28 70 1.63/ 64 90
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM RICH SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 274 Depth Top of Layer(m) : 161.50 Age: LOWER MIOCENE
Core: 18 Depth Bottom of Layer(m): 163.00 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 2 98 /
Processing Hist: Classification was successful.
Shipboard Lith : FINE SAND
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH SAND
Leg : 28 Top/Bottom Interval(mm) : 00/1210 Age: LOWER MIOCENE
Hole: 274 Depth Top of Layer(m) : 163.00 Age: LOWER MIOCENE
Core: 18 Depth Bottom of Layer(m): 164.21 Age:
Sect: 2 Thickness of Layer(m) : 1.21
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
1 4 95 1.93/ 46 128
Processing Hist: Classification was successful.
Shipboard Lith : FINE SAND
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH SAND
Leg : 28 Top/Bottom Interval(mm) : 1210/1320 Age: LOWER MIOCENE
Hole: 274 Depth Top of Layer(m) : 164.21 Age: LOWER MIOCENE
Core: 18 Depth Bottom of Layer(m): 164.32 Age:
Sect: 2 Thickness of Layer(m) : 0.11
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 95 1.69/ 60 11
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYSTONE
Screen Lith : CLAYSTONE
Leg : 28 Top/Bottom Interval(mm) : 1320/1500 Age: LOWER MIOCENE
Hole: 274 Depth Top of Layer(m) : 164.32 Age: LOWER MIOCENE
Core: 18 Depth Bottom of Layer(m): 164.50 Age:
Sect: 2 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
========== ========= ======== ================ ============
0 0 95 1.69/ 60 19
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : FINE SAND
Screen Lith : SAND
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 274 Depth Top of Layer(m) : 164.50 Age: LOWER MIOCENE
Core: 18 Depth Bottom of Layer(m): 166.00 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
========== ========= ======== ================ ============
1 17 82 1.67/ 61 151
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE/ CLAYEY SILTSTONE/ SILTY CLAY/ SILT
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH CLAY
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 274 Depth Top of Layer(m) : 166.00 Age: LOWER MIOCENE
Core: 18 Depth Bottom of Layer(m): 167.50 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
========== ========= ======== ================ ============
3 21 76 1.68/ 61 156
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM RICH DETRITAL SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 274 Depth Top of Layer(m) : 167.50 Age: LOWER MIOCENE
Core: 18 Depth Bottom of Layer(m): 169.00 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 4 97 1.73/ 58 156
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM BEARING SILT RICH CLAYSTONE AND SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH SILT
Leg : 28 Top/Bottom Interval(mm) : 780/1500 Age: LOWER MIOCENE
Hole: 274 Depth Top of Layer(m) : 171.78 Age: LOWER MIOCENE
Core: 19 Depth Bottom of Layer(m): 172.50 Age:
Sect: 1 Thickness of Layer(m) : 0.72
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
4 17 79 1.53/ 70 71
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM RICH CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 274 Depth Top of Layer(m) : 172.50 Age: LOWER MIOCENE
Core: 19 Depth Bottom of Layer(m): 174.00 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 5 95 1.60/ 66 157
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE AND CLAYSTONE
Screen Lith : TERRIGENOUS DETRITUS RICH SILT
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 274 Depth Top of Layer(m) : 174.00 Age: LOWER MIOCENE
Core: 19 Depth Bottom of Layer(m): 175.50 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
========== ========= ======== ================ ============
3 10 87 1.60/ 66 157
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM BEARING SILTY CLAY AND DIATOM BEARING CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 274 Depth Top of Layer(m) : 175.50 Age: LOWER MIOCENE
Core: 19 Depth Bottom of Layer(m): 177.00 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 9 89 1.71/ 59 158
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM BEARING SILTY CLAY AND CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 274 Depth Top of Layer(m) : 177.00 Age: LOWER MIOCENE
Core: 19 Depth Bottom of Layer(m): 178.50 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 25 73 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH CLAY
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 274 Depth Top of Layer(m) : 178.50 Age: LOWER MIOCENE
Core: 19 Depth Bottom of Layer(m): 180.00 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 32 66 1.59/ 66 152
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY AND CLAYSTONE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 130/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 181.13 Age: OLIGOCENE
Core: 20 Depth Bottom of Layer(m): 182.50 Age:
Sect: 1 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
========== ========= ======== ================ ============
0 0 0 1.39/ 78 141
Processing Hist:
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TRANSITIONAL SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 500/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 183.00 Age: OLIGOCENE
Core: 20 Depth Bottom of Layer(m): 184.00 Age:
Sect: 2 Thickness of Layer(m) : 1.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 58 42 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 184.00 Age: OLIGOCENE
Core: 20 Depth Bottom of Layer(m): 185.50 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 66 34 1.37/ 79 155
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 30/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 185.53 Age: OLIGOCENE
Core: 20 Depth Bottom of Layer(m): 187.00 Age:
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
========== ========= ======== ================ ============
0 51 49 1.36/ 80 153
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 187.00 Age: OLIGOCENE
Core: 20 Depth Bottom of Layer(m): 188.50 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 66 34 1.37/ 79 149
Processing Hist: Classification was successful.
Shipboard Lith : CLAY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 188.50 Age: OLIGOCENE
Core: 20 Depth Bottom of Layer(m): 190.00 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 66 32 1.40/ 78 156
Processing Hist: Classification was successful.
Shipboard Lith : CLAY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 190.50 Age: OLIGOCENE
Core: 21 Depth Bottom of Layer(m): 192.00 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 71 27 1.36/ 80 159
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 192.00 Age: OLIGOCENE
Core: 21 Depth Bottom of Layer(m): 193.50 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 56 42 1.37/ 79 155
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 193.50 Age: OLIGOCENE
Core: 21 Depth Bottom of Layer(m): 195.00 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
========== ========= ======== ================ ============
4 86 10 1.36/ 80 155
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 195.00 Age: OLIGOCENE
Core: 21 Depth Bottom of Layer(m): 196.50 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
========== ========= ======== ================ ============
4 81 15 1.36/ 80 158
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 196.50 Age: OLIGOCENE
Core: 21 Depth Bottom of Layer(m): 198.00 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
========== ========= ======== ================ ============
1 64 35 1.37/ 79 158
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1450 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 198.00 Age: OLIGOCENE
Core: 21 Depth Bottom of Layer(m): 199.45 Age:
Sect: 6 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
========== ========= ======== ================ ============
5 79 16 1.36/ 80 143
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 650/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 200.15 Age: OLIGOCENE
Core: 22 Depth Bottom of Layer(m): 201.00 Age:
Sect: 1 Thickness of Layer(m) : 0.85
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.36/ 80 90
Processing Hist:
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 201.00 Age: OLIGOCENE
Core: 22 Depth Bottom of Layer(m): 202.50 Age:
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
3 71 26 1.32/ 83 157
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 202.50 Age: OLIGOCENE
Core: 22 Depth Bottom of Layer(m): 204.00 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 81 17 1.34/ 81 156
Processing Hist: Classification was successful.
Shipboard Lith : CLAY BEARING DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 204.00 Age: OLIGOCENE
Core: 22 Depth Bottom of Layer(m): 205.50 Age:
Sect: 4 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 86 14 1.34/ 81 157
Processing Hist: Classification was successful.
Shipboard Lith : CLAY BEARING DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 205.50 Age: OLIGOCENE
Core: 22 Depth Bottom of Layer(m): 207.00 Age:
Sect: 5 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.34/ 81 156
Processing Hist:
Shipboard Lith : CLAY BEARING DIATOM OOZE
Screen Lith : SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 209.48 Age: OLIGOCENE
Core: 23 Depth Bottom of Layer(m): 210.98 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 66 34 1.33/ 82 158
Processing Hist: Classification was successful.
Shipboard Lith : CLAY BEARING TO CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 210.98 Age: OLIGOCENE
Core: 23 Depth Bottom of Layer(m): 212.48 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 1.34/ 81 159
Processing Hist:
Shipboard Lith : CLAY BEARING TO CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 212.48 Age: OLIGOCENE
Core: 23 Depth Bottom of Layer(m): 213.98 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 66 32 1.34/ 81 157
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 213.98 Age: OLIGOCENE
Core: 23 Depth Bottom of Layer(m): 215.48 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/ 81 156
Processing Hist:
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 215.48 Age: OLIGOCENE
Core: 23 Depth Bottom of Layer(m): 216.98 Age:
Sect: 5 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 61 39 1.33/ 82 159
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 216.98 Age: OLIGOCENE
Core: 23 Depth Bottom of Layer(m): 218.48 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 51 47 1.34/ 81 156
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 340/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 218.84 Age: OLIGOCENE
Core: 24 Depth Bottom of Layer(m): 220.00 Age:
Sect: 1 Thickness of Layer(m) : 1.16
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 : DIATOM BEARING? CLAY
Screen Lith : SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 30/ 680 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 220.03 Age: OLIGOCENE
Core: 24 Depth Bottom of Layer(m): 220.68 Age:
Sect: 2 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 1.49/ 72 69
Processing Hist:
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 850/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 220.85 Age: OLIGOCENE
Core: 24 Depth Bottom of Layer(m): 221.50 Age:
Sect: 2 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 7 94 1.59/ 67 69
Processing Hist:
Shipboard Lith : DIATOM CLAYSTONE
Screen Lith : SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 221.50 Age: OLIGOCENE
Core: 24 Depth Bottom of Layer(m): 223.00 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
========== ========= ======== ================ ============
9 79 12 1.35/ 81 156
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM? SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 223.00 Age: OLIGOCENE
Core: 24 Depth Bottom of Layer(m): 224.50 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
========== ========= ======== ================ ============
17 56 27 1.35/ 80 157
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM? SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 224.50 Age: OLIGOCENE
Core: 24 Depth Bottom of Layer(m): 226.00 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
========== ========= ======== ================ ============
38 66 0 1.43/ 76 155
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM? SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 228.00 Age: OLIGOCENE
Core: 25 Depth Bottom of Layer(m): 229.50 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 79 18 1.37/ 79 156
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM? SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 229.50 Age: OLIGOCENE
Core: 25 Depth Bottom of Layer(m): 231.00 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 86 14 1.32/ 83 158
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM? SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 231.00 Age: OLIGOCENE
Core: 25 Depth Bottom of Layer(m): 232.50 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 76 22 1.30/ 84 159
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 232.50 Age: OLIGOCENE
Core: 25 Depth Bottom of Layer(m): 234.00 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
========== ========= ======== ================ ============
1 74 25 1.31/ 83 159
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1480 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 234.00 Age: OLIGOCENE
Core: 25 Depth Bottom of Layer(m): 235.48 Age:
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 71 27 1.31/ 83 151
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 235.50 Age: OLIGOCENE
Core: 25 Depth Bottom of Layer(m): 237.00 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
========== ========= ======== ================ ============
1 63 37 1.31/ 83 158
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 237.70 Age: OLIGOCENE
Core: 26 Depth Bottom of Layer(m): 239.20 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
========== ========= ======== ================ ============
2 0 0 1.34/ 81 158
Processing Hist:
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TRANSITIONAL SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 239.20 Age: OLIGOCENE
Core: 26 Depth Bottom of Layer(m): 240.70 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 41 57 1.33/ 82 157
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 200/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 240.90 Age: OLIGOCENE
Core: 26 Depth Bottom of Layer(m): 242.20 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
========== ========= ======== ================ ============
1 41 58 1.30/ 83 138
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 242.20 Age: OLIGOCENE
Core: 26 Depth Bottom of Layer(m): 243.70 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 36 62 1.32/ 82 158
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 243.70 Age: OLIGOCENE
Core: 26 Depth Bottom of Layer(m): 245.20 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
========== ========= ======== ================ ============
1 36 64 1.35/ 81 157
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 245.20 Age: OLIGOCENE
Core: 26 Depth Bottom of Layer(m): 246.70 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
========== ========= ======== ================ ============
3 36 61 1.33/ 82 153
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 300/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 247.30 Age: OLIGOCENE
Core: 27 Depth Bottom of Layer(m): 248.50 Age:
Sect: 1 Thickness of Layer(m) : 1.20
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TRANSITIONAL SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 248.50 Age: OLIGOCENE
Core: 27 Depth Bottom of Layer(m): 250.00 Age:
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 51 49 1.38/ 79 156
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY DIATOM OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 250.00 Age: OLIGOCENE
Core: 27 Depth Bottom of Layer(m): 251.50 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 46 52 1.37/ 79 158
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: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 251.50 Age: OLIGOCENE
Core: 27 Depth Bottom of Layer(m): 253.00 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 36 62 1.39/ 78 155
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 257.00 Age: OLIGOCENE
Core: 28 Depth Bottom of Layer(m): 258.50 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 44 53 1.35/ 81 158
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 258.50 Age: OLIGOCENE
Core: 28 Depth Bottom of Layer(m): 260.00 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
========== ========= ======== ================ ============
60 2 38 1.36/ 80 156
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : CLAY MINERAL RICH CARBONATE CHALK
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 260.00 Age: OLIGOCENE
Core: 28 Depth Bottom of Layer(m): 261.50 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 46 52 1.35/ 81 157
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : CARBONATE RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 261.50 Age: OLIGOCENE
Core: 28 Depth Bottom of Layer(m): 263.00 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
========== ========= ======== ================ ============
3 46 51 1.36/ 80 158
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: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 263.00 Age: OLIGOCENE
Core: 28 Depth Bottom of Layer(m): 264.50 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
========== ========= ======== ================ ============
1 51 49 1.36/ 80 158
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 264.50 Age: OLIGOCENE
Core: 28 Depth Bottom of Layer(m): 266.00 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
========== ========= ======== ================ ============
1 51 48 1.34/ 81 153
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 750/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 266.75 Age: OLIGOCENE
Core: 29 Depth Bottom of Layer(m): 267.50 Age:
Sect: 1 Thickness of Layer(m) : 0.75
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 56 42 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 190/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 267.69 Age: OLIGOCENE
Core: 29 Depth Bottom of Layer(m): 269.00 Age:
Sect: 2 Thickness of Layer(m) : 1.31
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
1 66 33 1.24/ 87 137
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 80/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 269.08 Age: OLIGOCENE
Core: 29 Depth Bottom of Layer(m): 270.50 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
========== ========= ======== ================ ============
1 51 48 1.29/ 84 150
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 276.00 Age: OLIGOCENE
Core: 30 Depth Bottom of Layer(m): 277.50 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
========== ========= ======== ================ ============
2 46 52 1.38/ 79 158
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 277.50 Age: OLIGOCENE
Core: 30 Depth Bottom of Layer(m): 279.00 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 41 58 1.30/ 84 157
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 279.00 Age: OLIGOCENE
Core: 30 Depth Bottom of Layer(m): 280.50 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 41 58 1.31/ 83 157
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: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 280.50 Age: OLIGOCENE
Core: 30 Depth Bottom of Layer(m): 282.00 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
========== ========= ======== ================ ============
1 56 43 1.32/ 82 149
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1450 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 282.00 Age: OLIGOCENE
Core: 30 Depth Bottom of Layer(m): 283.45 Age:
Sect: 5 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
========== ========= ======== ================ ============
2 46 52 1.32/ 82 144
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: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 283.50 Age: OLIGOCENE
Core: 30 Depth Bottom of Layer(m): 285.00 Age:
Sect: 6 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 51 49 1.33/ 82 155
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: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 285.40 Age: OLIGOCENE
Core: 31 Depth Bottom of Layer(m): 286.90 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
========== ========= ======== ================ ============
2 61 37 1.31/ 83 158
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: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 286.90 Age: OLIGOCENE
Core: 31 Depth Bottom of Layer(m): 288.40 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 61 39 1.32/ 82 157
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 288.40 Age: OLIGOCENE
Core: 31 Depth Bottom of Layer(m): 289.90 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 66 32 1.32/ 83 158
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: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 289.90 Age: OLIGOCENE
Core: 31 Depth Bottom of Layer(m): 291.40 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
========== ========= ======== ================ ============
1 51 49 1.32/ 83 157
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 291.40 Age: OLIGOCENE
Core: 31 Depth Bottom of Layer(m): 292.90 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/ 83 157
Processing Hist:
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 292.90 Age: OLIGOCENE
Core: 31 Depth Bottom of Layer(m): 294.40 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 52 48 1.33/ 82 156
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 280/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 295.28 Age: OLIGOCENE
Core: 32 Depth Bottom of Layer(m): 296.50 Age:
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
========== ========= ======== ================ ============
2 42 56 1.28/ 85 104
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 296.50 Age: OLIGOCENE
Core: 32 Depth Bottom of Layer(m): 298.00 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 41 59 1.30/ 84 152
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 298.00 Age: OLIGOCENE
Core: 32 Depth Bottom of Layer(m): 299.50 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 48 50 1.31/ 83 158
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 299.50 Age: OLIGOCENE
Core: 32 Depth Bottom of Layer(m): 301.00 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
========== ========= ======== ================ ============
1 56 43 1.30/ 83 143
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 301.00 Age: OLIGOCENE
Core: 32 Depth Bottom of Layer(m): 302.50 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
========== ========= ======== ================ ============
4 38 58 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 302.50 Age: OLIGOCENE
Core: 32 Depth Bottom of Layer(m): 304.00 Age:
Sect: 6 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : DIATOM SILTY CLAY
Screen Lith : TRANSITIONAL SILICEOUS SEDIMENT.
Leg : 28 Top/Bottom Interval(mm) : 130/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 304.63 Age: OLIGOCENE
Core: 33 Depth Bottom of Layer(m): 306.00 Age:
Sect: 1 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 51 47 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM CHERT
Leg : 28 Top/Bottom Interval(mm) : 80/ 400 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 306.08 Age: OLIGOCENE
Core: 33 Depth Bottom of Layer(m): 306.40 Age:
Sect: 2 Thickness of Layer(m) : 0.32
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : DIATOM DETRITAL SILTY CLAYSTONE
Screen Lith : MUDDY SILICEOUS OOZE.
Leg : 28 Top/Bottom Interval(mm) : 400/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 306.40 Age: OLIGOCENE
Core: 33 Depth Bottom of Layer(m): 307.50 Age:
Sect: 2 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
========== ========= ======== ================ ============
1 54 45 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY AND CLAYSTONE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 307.50 Age: OLIGOCENE
Core: 33 Depth Bottom of Layer(m): 309.00 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 46 52 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 309.00 Age: OLIGOCENE
Core: 33 Depth Bottom of Layer(m): 310.50 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 48 50 1.32/ 82 158
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 310.50 Age: OLIGOCENE
Core: 33 Depth Bottom of Layer(m): 312.00 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 56 42 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 312.00 Age: OLIGOCENE
Core: 33 Depth Bottom of Layer(m): 313.50 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
========== ========= ======== ================ ============
1 44 55 1.33/ 82 148
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY AND CLAYSTONE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 110/1500 Age: LOWER OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 314.11 Age: LOWER OLIGOCENE
Core: 34 Depth Bottom of Layer(m): 315.50 Age:
Sect: 1 Thickness of Layer(m) : 1.39
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 48 50 1.30/ 84 144
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 180/1500 Age: LOWER OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 315.68 Age: LOWER OLIGOCENE
Core: 34 Depth Bottom of Layer(m): 317.00 Age:
Sect: 2 Thickness of Layer(m) : 1.32
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 61 37 1.27/ 85 109
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 317.00 Age: LOWER OLIGOCENE
Core: 34 Depth Bottom of Layer(m): 318.50 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
========== ========= ======== ================ ============
3 62 35 1.27/ 85 157
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 250/1500 Age: LOWER OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 318.75 Age: LOWER OLIGOCENE
Core: 34 Depth Bottom of Layer(m): 320.00 Age:
Sect: 4 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 50 48 1.28/ 85 115
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY TO CLAYSTONE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1420 Age: LOWER OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 320.00 Age: LOWER OLIGOCENE
Core: 34 Depth Bottom of Layer(m): 321.42 Age:
Sect: 5 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 54 44 1.30/ 84 126
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAYSTONE
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER OLIGOCENE
Hole: 274 Depth Top of Layer(m) : 321.50 Age: LOWER OLIGOCENE
Core: 34 Depth Bottom of Layer(m): 323.00 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
========== ========= ======== ================ ============
1 54 45 1.34/ 81 142
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM DETRITAL SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MUDDY DIATOM OOZE
Leg : 28 Top/Bottom Interval(mm) : 1360/1500 Age:
Hole: 274 Depth Top of Layer(m) : 324.36 Age:
Core: 35 Depth Bottom of Layer(m): 324.50 Age:
Sect: 1 Thickness of Layer(m) : 0.14
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
35 50 45 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERT SANDS
Screen Lith : CHERT
Leg : 28 Top/Bottom Interval(mm) : 00/1330 Age:
Hole: 274 Depth Top of Layer(m) : 324.50 Age:
Core: 35 Depth Bottom of Layer(m): 325.83 Age:
Sect: 2 Thickness of Layer(m) : 1.33
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
35 50 45 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SANDY CHERT GRAVEL
Screen Lith : CHERT
Leg : 28 Top/Bottom Interval(mm) : 1330/1500 Age:
Hole: 274 Depth Top of Layer(m) : 325.83 Age:
Core: 35 Depth Bottom of Layer(m): 326.00 Age:
Sect: 2 Thickness of Layer(m) : 0.17
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
35 50 45 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERT
Screen Lith : CHERT
Leg : 28 Top/Bottom Interval(mm) : 590/1500 Age:
Hole: 274 Depth Top of Layer(m) : 333.09 Age:
Core: 36 Depth Bottom of Layer(m): 334.00 Age:
Sect: 1 Thickness of Layer(m) : 0.91
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
5 4 91 1.56/ 68 72
Processing Hist: Classification was successful.
Shipboard Lith : CHERT AND SILT-RICH CLAYSTONE
Screen Lith : CLAY MINERAL RICH CLASTIC SEDIMENTSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 274 Depth Top of Layer(m) : 334.00 Age:
Core: 36 Depth Bottom of Layer(m): 335.50 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
========== ========= ======== ================ ============
9 4 87 1.50/ 71 127
Processing Hist: Classification was successful.
Shipboard Lith : CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 274 Depth Top of Layer(m) : 342.00 Age:
Core: 37 Depth Bottom of Layer(m): 343.50 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
========== ========= ======== ================ ============
5 0 95 1.46/ 74 139
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE AND CHERTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 1240/1500 Age:
Hole: 274 Depth Top of Layer(m) : 352.74 Age:
Core: 38 Depth Bottom of Layer(m): 353.00 Age:
Sect: 1 Thickness of Layer(m) : 0.26
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : CLAYSTONE TO CHERT
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 274 Depth Top of Layer(m) : 353.00 Age:
Core: 38 Depth Bottom of Layer(m): 354.50 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
========== ========= ======== ================ ============
12 6 82 1.55/ 69 140
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE AND CHERT
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 250/1360 Age:
Hole: 274 Depth Top of Layer(m) : 361.25 Age:
Core: 39 Depth Bottom of Layer(m): 362.36 Age:
Sect: 1 Thickness of Layer(m) : 1.11
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 CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/ 500 Age:
Hole: 274 Depth Top of Layer(m) : 362.50 Age:
Core: 39 Depth Bottom of Layer(m): 363.00 Age:
Sect: 2 Thickness of Layer(m) : 0.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 6 94 1.51/ 71 43
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 500/ 830 Age:
Hole: 274 Depth Top of Layer(m) : 363.00 Age:
Core: 39 Depth Bottom of Layer(m): 363.33 Age:
Sect: 2 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
========== ========= ======== ================ ============
40 2 58 1.66/ 62 35
Processing Hist: Classification was successful.
Shipboard Lith : MICARB SILTY CLAYSTONE
Screen Lith : TERRIGENOUS DETRITUS RICH MARLY CARBONATE CHALK
Leg : 28 Top/Bottom Interval(mm) : 830/1500 Age:
Hole: 274 Depth Top of Layer(m) : 363.33 Age:
Core: 39 Depth Bottom of Layer(m): 364.00 Age:
Sect: 2 Thickness of Layer(m) : 0.67
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 58 1.40/ 78 59
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 340/1500 Age:
Hole: 274 Depth Top of Layer(m) : 370.84 Age:
Core: 40 Depth Bottom of Layer(m): 372.00 Age:
Sect: 1 Thickness of Layer(m) : 1.16
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
4 36 60 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 1170/1500 Age:
Hole: 274 Depth Top of Layer(m) : 381.17 Age:
Core: 41 Depth Bottom of Layer(m): 381.50 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
========== ========= ======== ================ ============
6 4 90 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 274 Depth Top of Layer(m) : 381.50 Age:
Core: 41 Depth Bottom of Layer(m): 383.00 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 4 95 1.61/ 65 157
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE TO SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/ 950 Age:
Hole: 274 Depth Top of Layer(m) : 383.00 Age:
Core: 41 Depth Bottom of Layer(m): 383.95 Age:
Sect: 3 Thickness of Layer(m) : 0.95
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
5 2 93 1.61/ 65 100
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 950/1500 Age:
Hole: 274 Depth Top of Layer(m) : 383.95 Age:
Core: 41 Depth Bottom of Layer(m): 384.50 Age:
Sect: 3 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
========== ========= ======== ================ ============
60 2 38 1.71/ 59 58
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH CARBONATE CHALK
Leg : 28 Top/Bottom Interval(mm) : 480/ 740 Age:
Hole: 274 Depth Top of Layer(m) : 389.98 Age:
Core: 42 Depth Bottom of Layer(m): 390.24 Age:
Sect: 1 Thickness of Layer(m) : 0.26
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
3 6 91 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 740/ 900 Age:
Hole: 274 Depth Top of Layer(m) : 390.24 Age:
Core: 42 Depth Bottom of Layer(m): 390.40 Age:
Sect: 1 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 91 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 900/1030 Age:
Hole: 274 Depth Top of Layer(m) : 390.40 Age:
Core: 42 Depth Bottom of Layer(m): 390.53 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 91 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 1030/1500 Age:
Hole: 274 Depth Top of Layer(m) : 390.53 Age:
Core: 42 Depth Bottom of Layer(m): 391.00 Age:
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
========== ========= ======== ================ ============
50 4 46 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : TERRIGENOUS DETRITUS RICH MARLY CARBONATE CHALK
Leg : 28 Top/Bottom Interval(mm) : 00/ 100 Age:
Hole: 274 Depth Top of Layer(m) : 391.00 Age:
Core: 42 Depth Bottom of Layer(m): 391.10 Age:
Sect: 2 Thickness of Layer(m) : 0.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 46 1.51/ 71 9
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 100/1500 Age:
Hole: 274 Depth Top of Layer(m) : 391.10 Age:
Core: 42 Depth Bottom of Layer(m): 392.50 Age:
Sect: 2 Thickness of Layer(m) : 1.40
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 2 98 1.49/ 72 148
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY TO CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 274 Depth Top of Layer(m) : 392.50 Age:
Core: 42 Depth Bottom of Layer(m): 394.00 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
========== ========= ======== ================ ============
8 1 91 1.54/ 69 146
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH CLAY MINERAL RICH CLAY
Leg : 28 Top/Bottom Interval(mm) : 820/1500 Age:
Hole: 274 Depth Top of Layer(m) : 399.82 Age:
Core: 43 Depth Bottom of Layer(m): 400.50 Age:
Sect: 1 Thickness of Layer(m) : 0.68
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 91 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 274 Depth Top of Layer(m) : 400.50 Age:
Core: 43 Depth Bottom of Layer(m): 402.00 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
========== ========= ======== ================ ============
3 2 96 1.61/ 65 158
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY AND CLAYSTONE
Screen Lith : TERRIGENOUS DETRITUS RICH CLAY MINERAL RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1480 Age:
Hole: 274 Depth Top of Layer(m) : 402.00 Age:
Core: 43 Depth Bottom of Layer(m): 403.48 Age:
Sect: 3 Thickness of Layer(m) : 1.48
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 96 1.56/ 68 152
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY TO SILT-RICH CLAY AND CLAYSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 274 Depth Top of Layer(m) : 403.50 Age:
Core: 43 Depth Bottom of Layer(m): 405.00 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
========== ========= ======== ================ ============
10 2 88 1.92/ 47 157
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH CARBONATE RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 1320/1500 Age:
Hole: 274 Depth Top of Layer(m) : 409.82 Age:
Core: 44 Depth Bottom of Layer(m): 410.00 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 274 Depth Top of Layer(m) : 410.00 Age:
Core: 44 Depth Bottom of Layer(m): 411.50 Age:
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 28 Top/Bottom Interval(mm) : 1340/1500 Age:
Hole: 274 Depth Top of Layer(m) : 419.34 Age:
Core: 45 Depth Bottom of Layer(m): 419.50 Age:
Sect: 1 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: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 274 Depth Top of Layer(m) : 419.50 Age:
Core: 45 Depth Bottom of Layer(m): 421.00 Age:
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
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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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