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Core Data from the Deep Sea Drilling Project
Leg : 28 Top/Bottom Interval(mm) : 730/1100 Age: CENOZOIC
Hole: 270 Depth Top of Layer(m) : 0.73 Age: RECENT
Core: 1 Depth Bottom of Layer(m): 1.10 Age: PLIOCENE
Sect: 1 Thickness of Layer(m) : 0.37
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 40 60 /
Processing Hist: Classification was successful.
Shipboard Lith : DIAT DET SILTY CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH DIATOM MUD
Leg : 28 Top/Bottom Interval(mm) : 1100/1400 Age: CENOZOIC
Hole: 270 Depth Top of Layer(m) : 1.10 Age: RECENT
Core: 1 Depth Bottom of Layer(m): 1.40 Age: PLIOCENE
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 2 98 /
Processing Hist: Classification was successful.
Shipboard Lith : SAND-BEARING CLAYEY SILT
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1420 Age: CENOZOIC
Hole: 270 Depth Top of Layer(m) : 1.50 Age: RECENT
Core: 1 Depth Bottom of Layer(m): 2.92 Age: PLIOCENE
Sect: 2 Thickness of Layer(m) : 1.42
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
1 3 96 1.91/ 47 138
Processing Hist: Classification was successful.
Shipboard Lith : SAND-BEARING SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: CENOZOIC
Hole: 270 Depth Top of Layer(m) : 3.10 Age: RECENT
Core: 1 Depth Bottom of Layer(m): 3.10 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 1 99 /
Processing Hist:
Shipboard Lith : CLAYEY SILT
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: CENOZOIC
Hole: 270 Depth Top of Layer(m) : 6.10 Age: RECENT
Core: 2 Depth Bottom of Layer(m): 6.10 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 : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 980/1500 Age: CENOZOIC
Hole: 270 Depth Top of Layer(m) : 16.48 Age: RECENT
Core: 3 Depth Bottom of Layer(m): 17.00 Age: PLIOCENE
Sect: 1 Thickness of Layer(m) : 0.52
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
1 18 82 /
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: 270 Depth Top of Layer(m) : 17.10 Age: RECENT
Core: 3 Depth Bottom of Layer(m): 17.10 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
========== ========= ======== ================ ============
4 5 91 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM-BEARING SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 25.10 Age: LOWER MIOCENE
Core: 4 Depth Bottom of Layer(m): 25.10 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
1 6 93 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 1300/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 26.80 Age: LOWER MIOCENE
Core: 5 Depth Bottom of Layer(m): 27.00 Age:
Sect: 1 Thickness of Layer(m) : 0.20
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 0 98 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 27.00 Age: LOWER MIOCENE
Core: 5 Depth Bottom of Layer(m): 28.50 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 2 97 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 28.60 Age: LOWER MIOCENE
Core: 5 Depth Bottom of Layer(m): 28.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 2 96 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 430/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 34.93 Age: LOWER MIOCENE
Core: 6 Depth Bottom of Layer(m): 36.00 Age:
Sect: 1 Thickness of Layer(m) : 1.07
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 36.00 Age: LOWER MIOCENE
Core: 6 Depth Bottom of Layer(m): 37.50 Age:
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY-DIAMICTITE
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 37.60 Age: LOWER MIOCENE
Core: 6 Depth Bottom of Layer(m): 37.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 4 94 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 860/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 44.86 Age: LOWER MIOCENE
Core: 7 Depth Bottom of Layer(m): 45.50 Age:
Sect: 1 Thickness of Layer(m) : 0.64
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1440 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 45.50 Age: LOWER MIOCENE
Core: 7 Depth Bottom of Layer(m): 46.94 Age:
Sect: 2 Thickness of Layer(m) : 1.44
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SILTY CLAY-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1420 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 47.00 Age: LOWER MIOCENE
Core: 7 Depth Bottom of Layer(m): 48.42 Age:
Sect: 3 Thickness of Layer(m) : 1.42
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 48.60 Age: LOWER MIOCENE
Core: 7 Depth Bottom of Layer(m): 48.60 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 : SILTY CLAYSTONE-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 430/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 53.93 Age: LOWER MIOCENE
Core: 8 Depth Bottom of Layer(m): 55.00 Age:
Sect: 1 Thickness of Layer(m) : 1.07
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SILTY CLAY-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 55.00 Age: LOWER MIOCENE
Core: 8 Depth Bottom of Layer(m): 56.50 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:
Shipboard Lith : SILTY CLAY-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 56.50 Age: LOWER MIOCENE
Core: 8 Depth Bottom of Layer(m): 58.00 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SILTY CLAY-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 58.10 Age: LOWER MIOCENE
Core: 8 Depth Bottom of Layer(m): 58.10 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/ 390 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 63.00 Age: LOWER MIOCENE
Core: 9 Depth Bottom of Layer(m): 63.39 Age:
Sect: 1 Thickness of Layer(m) : 0.39
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 CLAYSTONE-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 64.50 Age: LOWER MIOCENE
Core: 9 Depth Bottom of Layer(m): 66.00 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 0 100 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 66.00 Age: LOWER MIOCENE
Core: 9 Depth Bottom of Layer(m): 67.50 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 67.60 Age: LOWER MIOCENE
Core: 9 Depth Bottom of Layer(m): 67.60 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 : SILTY CLAYSTONE-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 670/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 73.17 Age: LOWER MIOCENE
Core: 10 Depth Bottom of Layer(m): 74.00 Age:
Sect: 1 Thickness of Layer(m) : 0.83
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 74.00 Age: LOWER MIOCENE
Core: 10 Depth Bottom of Layer(m): 75.50 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:
Shipboard Lith : SILTY CLAYSTONE-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 75.60 Age: LOWER MIOCENE
Core: 10 Depth Bottom of Layer(m): 75.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 160/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 82.16 Age: LOWER MIOCENE
Core: 11 Depth Bottom of Layer(m): 83.50 Age:
Sect: 1 Thickness of Layer(m) : 1.34
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/ 490 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 83.50 Age: LOWER MIOCENE
Core: 11 Depth Bottom of Layer(m): 83.99 Age:
Sect: 2 Thickness of Layer(m) : 0.49
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 490/1370 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 83.99 Age: LOWER MIOCENE
Core: 11 Depth Bottom of Layer(m): 84.87 Age:
Sect: 2 Thickness of Layer(m) : 0.88
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 CLAYSTONE-DIAMICTITE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 91.50 Age: LOWER MIOCENE
Core: 12 Depth Bottom of Layer(m): 93.00 Age:
Sect: 1 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.80/ 54 154
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 93.00 Age: LOWER MIOCENE
Core: 12 Depth Bottom of Layer(m): 94.50 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 1.79/ 55 153
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 94.50 Age: LOWER MIOCENE
Core: 12 Depth Bottom of Layer(m): 96.00 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.72/ 58 151
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 96.00 Age: LOWER MIOCENE
Core: 12 Depth Bottom of Layer(m): 97.50 Age:
Sect: 4 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.75/ 57 153
Processing Hist:
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 97.60 Age: LOWER MIOCENE
Core: 12 Depth Bottom of Layer(m): 97.60 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 : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 690/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 101.69 Age: LOWER MIOCENE
Core: 13 Depth Bottom of Layer(m): 102.50 Age:
Sect: 1 Thickness of Layer(m) : 0.81
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1460 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 102.50 Age: LOWER MIOCENE
Core: 13 Depth Bottom of Layer(m): 103.96 Age:
Sect: 2 Thickness of Layer(m) : 1.46
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.54/ 69 130
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 104.00 Age: LOWER MIOCENE
Core: 13 Depth Bottom of Layer(m): 105.50 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.67/ 61 151
Processing Hist:
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 105.60 Age: LOWER MIOCENE
Core: 13 Depth Bottom of Layer(m): 105.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 0 98 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 110.50 Age: LOWER MIOCENE
Core: 14 Depth Bottom of Layer(m): 112.00 Age:
Sect: 1 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.67/ 61 134
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 112.00 Age: LOWER MIOCENE
Core: 14 Depth Bottom of Layer(m): 113.50 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 1.68/ 61 151
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 113.50 Age: LOWER MIOCENE
Core: 14 Depth Bottom of Layer(m): 115.00 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.77/ 56 155
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 115.10 Age: LOWER MIOCENE
Core: 14 Depth Bottom of Layer(m): 115.10 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 0 98 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1000 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 120.00 Age: LOWER MIOCENE
Core: 15 Depth Bottom of Layer(m): 121.00 Age:
Sect: 1 Thickness of Layer(m) : 1.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.72/ 58 101
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 1000/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 121.00 Age: LOWER MIOCENE
Core: 15 Depth Bottom of Layer(m): 121.50 Age:
Sect: 1 Thickness of Layer(m) : 0.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.81/ 53 49
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILT
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 121.50 Age: LOWER MIOCENE
Core: 15 Depth Bottom of Layer(m): 123.00 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 0 100 1.80/ 54 159
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 123.00 Age: LOWER MIOCENE
Core: 15 Depth Bottom of Layer(m): 124.50 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 3 95 1.82/ 53 152
Processing Hist: Classification was successful.
Shipboard Lith : SANDY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 124.60 Age: LOWER MIOCENE
Core: 15 Depth Bottom of Layer(m): 124.60 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 1 99 /
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 1150/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 130.65 Age: LOWER MIOCENE
Core: 16 Depth Bottom of Layer(m): 131.00 Age:
Sect: 1 Thickness of Layer(m) : 0.35
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 131.00 Age: LOWER MIOCENE
Core: 16 Depth Bottom of Layer(m): 132.50 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 2 98 1.77/ 56 151
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 132.50 Age: LOWER MIOCENE
Core: 16 Depth Bottom of Layer(m): 134.00 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.68/ 61 152
Processing Hist:
Shipboard Lith : CLAYEY SILT
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 134.00 Age: LOWER MIOCENE
Core: 16 Depth Bottom of Layer(m): 135.50 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 4 96 1.76/ 56 157
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 135.60 Age: LOWER MIOCENE
Core: 16 Depth Bottom of Layer(m): 135.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : ****** NO LITH GIVEN ***
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 570/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 139.57 Age: LOWER MIOCENE
Core: 17 Depth Bottom of Layer(m): 140.50 Age:
Sect: 1 Thickness of Layer(m) : 0.93
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 140.50 Age: LOWER MIOCENE
Core: 17 Depth Bottom of Layer(m): 142.00 Age:
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.80/ 53 135
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 142.00 Age: LOWER MIOCENE
Core: 17 Depth Bottom of Layer(m): 143.50 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 2 98 1.76/ 56 155
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 143.50 Age: LOWER MIOCENE
Core: 17 Depth Bottom of Layer(m): 145.00 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 1.72/ 59 157
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 145.00 Age: LOWER MIOCENE
Core: 17 Depth Bottom of Layer(m): 146.50 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 3 97 1.82/ 53 157
Processing Hist: Classification was successful.
Shipboard Lith : CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 146.60 Age: LOWER MIOCENE
Core: 17 Depth Bottom of Layer(m): 146.60 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 2 98 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 550/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 149.05 Age: LOWER MIOCENE
Core: 18 Depth Bottom of Layer(m): 150.00 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
========== ========= ======== ================ ============
4 2 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) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 150.00 Age: LOWER MIOCENE
Core: 18 Depth Bottom of Layer(m): 151.50 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
========== ========= ======== ================ ============
22 0 78 1.62/ 64 155
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 151.50 Age: LOWER MIOCENE
Core: 18 Depth Bottom of Layer(m): 153.00 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 78 1.72/ 58 158
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : (SILTY) CLAYSTONE
Screen Lith : CLAYSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 153.00 Age: LOWER MIOCENE
Core: 18 Depth Bottom of Layer(m): 154.50 Age:
Sect: 4 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 78 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAYSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/ 390 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 154.50 Age: LOWER MIOCENE
Core: 18 Depth Bottom of Layer(m): 154.89 Age:
Sect: 5 Thickness of Layer(m) : 0.39
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 390/ 420 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 154.89 Age: LOWER MIOCENE
Core: 18 Depth Bottom of Layer(m): 154.92 Age:
Sect: 5 Thickness of Layer(m) : 0.03
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SANDY SILTY CLAYSTONE
Screen Lith : CLAYSTONE
Leg : 28 Top/Bottom Interval(mm) : 420/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 154.92 Age: LOWER MIOCENE
Core: 18 Depth Bottom of Layer(m): 156.00 Age:
Sect: 5 Thickness of Layer(m) : 1.08
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAYSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 156.10 Age: LOWER MIOCENE
Core: 18 Depth Bottom of Layer(m): 156.10 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 30/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 158.03 Age: LOWER MIOCENE
Core: 19 Depth Bottom of Layer(m): 159.50 Age:
Sect: 1 Thickness of Layer(m) : 1.47
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 0 98 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 159.50 Age: LOWER MIOCENE
Core: 19 Depth Bottom of Layer(m): 161.00 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:
Shipboard Lith : CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 161.00 Age: LOWER MIOCENE
Core: 19 Depth Bottom of Layer(m): 162.50 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 6 94 1.67/ 61 151
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 162.50 Age: LOWER MIOCENE
Core: 19 Depth Bottom of Layer(m): 164.00 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 0 90 /
Processing Hist:
Shipboard Lith : SILT-BEARING CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 164.00 Age: LOWER MIOCENE
Core: 19 Depth Bottom of Layer(m): 165.50 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 3 97 1.84/ 51 147
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 165.60 Age: LOWER MIOCENE
Core: 19 Depth Bottom of Layer(m): 165.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : ****** NO LITH GIVEN ***
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1280 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 167.50 Age: LOWER MIOCENE
Core: 20 Depth Bottom of Layer(m): 168.78 Age:
Sect: 1 Thickness of Layer(m) : 1.28
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Classification was successful.
Shipboard Lith : SILT-BEARING CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 169.00 Age: LOWER MIOCENE
Core: 20 Depth Bottom of Layer(m): 170.50 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
========== ========= ======== ================ ============
4 0 96 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 170.50 Age: LOWER MIOCENE
Core: 20 Depth Bottom of Layer(m): 172.00 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 2 98 1.88/ 49 155
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 172.00 Age: LOWER MIOCENE
Core: 20 Depth Bottom of Layer(m): 173.50 Age:
Sect: 4 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAYSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH SANDY MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 173.50 Age: LOWER MIOCENE
Core: 20 Depth Bottom of Layer(m): 175.00 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 1.86/ 50 159
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH SANDY MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1000 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 175.00 Age: LOWER MIOCENE
Core: 20 Depth Bottom of Layer(m): 176.00 Age:
Sect: 6 Thickness of Layer(m) : 1.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH SANDY MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 1000/1160 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 176.00 Age: LOWER MIOCENE
Core: 20 Depth Bottom of Layer(m): 176.16 Age:
Sect: 6 Thickness of Layer(m) : 0.16
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SILTIER AND SANDIER SILTY CLAYSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH SANDY MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 1160/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 176.16 Age: LOWER MIOCENE
Core: 20 Depth Bottom of Layer(m): 176.50 Age:
Sect: 6 Thickness of Layer(m) : 0.34
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH SANDY MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 176.60 Age: LOWER MIOCENE
Core: 20 Depth Bottom of Layer(m): 176.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : ****** NO LITH GIVEN ***
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH SANDY MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 700/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 177.70 Age: LOWER MIOCENE
Core: 21 Depth Bottom of Layer(m): 178.50 Age:
Sect: 1 Thickness of Layer(m) : 0.80
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 178.50 Age: LOWER MIOCENE
Core: 21 Depth Bottom of Layer(m): 180.00 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 0 98 1.93/ 46 159
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 180.00 Age: LOWER MIOCENE
Core: 21 Depth Bottom of Layer(m): 181.50 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 98 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/ 750 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 181.50 Age: LOWER MIOCENE
Core: 21 Depth Bottom of Layer(m): 182.25 Age:
Sect: 4 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
========== ========= ======== ================ ============
0 0 98 1.86/ 50 78
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 750/ 880 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 182.25 Age: LOWER MIOCENE
Core: 21 Depth Bottom of Layer(m): 182.38 Age:
Sect: 4 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
========== ========= ======== ================ ============
62 2 36 1.77/ 55 13
Processing Hist: Classification was successful.
Shipboard Lith : CARB-BEARING CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH CARBONATE CHALK
Leg : 28 Top/Bottom Interval(mm) : 880/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 182.38 Age: LOWER MIOCENE
Core: 21 Depth Bottom of Layer(m): 183.00 Age:
Sect: 4 Thickness of Layer(m) : 0.62
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 36 1.86/ 50 65
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 183.00 Age: LOWER MIOCENE
Core: 21 Depth Bottom of Layer(m): 184.50 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 2 96 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 184.60 Age: LOWER MIOCENE
Core: 21 Depth Bottom of Layer(m): 184.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 96 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : ****** NO LITH GIVEN ***
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 187.00 Age: LOWER MIOCENE
Core: 22 Depth Bottom of Layer(m): 188.50 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
========== ========= ======== ================ ============
10 10 96 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYSTONE
Screen Lith : PELAGIC CLAYSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 188.50 Age: LOWER MIOCENE
Core: 22 Depth Bottom of Layer(m): 190.00 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 96 1.83/ 52 157
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYEY SANDSTONE
Screen Lith : SANDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 190.00 Age: LOWER MIOCENE
Core: 22 Depth Bottom of Layer(m): 191.50 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 2 98 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : TERRIGENOUS DETRITUS RICH PELAGIC CLAYSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 191.50 Age: LOWER MIOCENE
Core: 22 Depth Bottom of Layer(m): 193.00 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 98 1.83/ 52 156
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1040 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 193.00 Age: LOWER MIOCENE
Core: 22 Depth Bottom of Layer(m): 194.04 Age:
Sect: 5 Thickness of Layer(m) : 1.04
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 194.50 Age: LOWER MIOCENE
Core: 22 Depth Bottom of Layer(m): 196.00 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 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) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 196.10 Age: LOWER MIOCENE
Core: 22 Depth Bottom of Layer(m): 196.10 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : ****** NO LITH GIVEN ***
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 830/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 196.83 Age: LOWER MIOCENE
Core: 23 Depth Bottom of Layer(m): 197.50 Age:
Sect: 1 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 0 100 /
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/ 290 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 197.50 Age: LOWER MIOCENE
Core: 23 Depth Bottom of Layer(m): 197.79 Age:
Sect: 2 Thickness of Layer(m) : 0.29
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.87/ 50 26
Processing Hist: Classification was successful.
Shipboard Lith : SILTY SANDY CLAY
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH SANDY MUD
Leg : 28 Top/Bottom Interval(mm) : 290/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 197.79 Age: LOWER MIOCENE
Core: 23 Depth Bottom of Layer(m): 199.00 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
========== ========= ======== ================ ============
5 0 95 1.82/ 53 124
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1440 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 199.00 Age: LOWER MIOCENE
Core: 23 Depth Bottom of Layer(m): 200.44 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 1 99 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 200.50 Age: LOWER MIOCENE
Core: 23 Depth Bottom of Layer(m): 202.00 Age:
Sect: 4 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 202.10 Age: LOWER MIOCENE
Core: 23 Depth Bottom of Layer(m): 202.10 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/ 640 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 205.50 Age: LOWER MIOCENE
Core: 24 Depth Bottom of Layer(m): 206.14 Age:
Sect: 1 Thickness of Layer(m) : 0.64
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 0 98 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 640/ 910 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 206.14 Age: LOWER MIOCENE
Core: 24 Depth Bottom of Layer(m): 206.41 Age:
Sect: 1 Thickness of Layer(m) : 0.27
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
74 0 26 /
Processing Hist: Classification was successful.
Shipboard Lith : DETRITAL CLAY-SILT MICARB-LIMESTONE
Screen Lith : TERRIGENOUS DETRITUS RICH INDURATED CARBONATE CHALK
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 207.00 Age: LOWER MIOCENE
Core: 24 Depth Bottom of Layer(m): 208.50 Age:
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.82/ 53 150
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SANDSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 208.50 Age: LOWER MIOCENE
Core: 24 Depth Bottom of Layer(m): 210.00 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 210.10 Age: LOWER MIOCENE
Core: 24 Depth Bottom of Layer(m): 210.10 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 290/ 920 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 215.29 Age: LOWER MIOCENE
Core: 25 Depth Bottom of Layer(m): 215.92 Age:
Sect: 1 Thickness of Layer(m) : 0.63
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
4 0 96 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 1040/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 216.04 Age: LOWER MIOCENE
Core: 25 Depth Bottom of Layer(m): 216.50 Age:
Sect: 1 Thickness of Layer(m) : 0.46
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 96 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 216.50 Age: LOWER MIOCENE
Core: 25 Depth Bottom of Layer(m): 218.00 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 2 98 1.79/ 54 156
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/ 720 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 218.00 Age: LOWER MIOCENE
Core: 25 Depth Bottom of Layer(m): 218.72 Age:
Sect: 3 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 0 96 1.90/ 48 76
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 720/1140 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 218.72 Age: LOWER MIOCENE
Core: 25 Depth Bottom of Layer(m): 219.14 Age:
Sect: 3 Thickness of Layer(m) : 0.42
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
16 0 84 2.14/ 34 45
Processing Hist: Classification was successful.
Shipboard Lith : MICARB-RICH CLAYEY SILT
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 1140/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 219.14 Age: LOWER MIOCENE
Core: 25 Depth Bottom of Layer(m): 219.50 Age:
Sect: 3 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 84 1.94/ 45 38
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 219.50 Age: LOWER MIOCENE
Core: 25 Depth Bottom of Layer(m): 221.00 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 0 100 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 221.10 Age: LOWER MIOCENE
Core: 25 Depth Bottom of Layer(m): 221.10 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : ****** NO LITH GIVEN ***
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 1100/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 225.60 Age: LOWER MIOCENE
Core: 26 Depth Bottom of Layer(m): 226.00 Age:
Sect: 1 Thickness of Layer(m) : 0.40
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLASTIC STONE.
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 226.00 Age: LOWER MIOCENE
Core: 26 Depth Bottom of Layer(m): 227.50 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 0 97 1.91/ 47 158
Processing Hist: Classification was successful.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 227.50 Age: LOWER MIOCENE
Core: 26 Depth Bottom of Layer(m): 229.00 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 229.00 Age: LOWER MIOCENE
Core: 26 Depth Bottom of Layer(m): 230.50 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
========== ========= ======== ================ ============
60 0 40 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : FELDSPAR RICH CARBONATE LIMESTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 230.50 Age: LOWER MIOCENE
Core: 26 Depth Bottom of Layer(m): 232.00 Age:
Sect: 5 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.88/ 49 160
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILT
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 232.00 Age: LOWER MIOCENE
Core: 26 Depth Bottom of Layer(m): 233.50 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
========== ========= ======== ================ ============
4 0 96 1.96/ 44 155
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILT
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 233.60 Age: LOWER MIOCENE
Core: 26 Depth Bottom of Layer(m): 233.60 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 : SANDSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 234.00 Age: LOWER MIOCENE
Core: 27 Depth Bottom of Layer(m): 235.50 Age:
Sect: 1 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.97/ 44 157
Processing Hist:
Shipboard Lith : CLAYEY SANDSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 235.50 Age: LOWER MIOCENE
Core: 27 Depth Bottom of Layer(m): 237.00 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 0 100 2.02/ 41 148
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SANDY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 237.00 Age: LOWER MIOCENE
Core: 27 Depth Bottom of Layer(m): 238.50 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.96/ 44 155
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1350 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 238.50 Age: LOWER MIOCENE
Core: 27 Depth Bottom of Layer(m): 239.85 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 0 100 1.91/ 47 144
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 1350/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 239.85 Age: LOWER MIOCENE
Core: 27 Depth Bottom of Layer(m): 240.00 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
========== ========= ======== ================ ============
4 0 96 2.13/ 34 15
Processing Hist: Classification was successful.
Shipboard Lith : SILTY SANDY CLAY
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 240.00 Age: LOWER MIOCENE
Core: 27 Depth Bottom of Layer(m): 241.50 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 0 100 2.01/ 41 158
Processing Hist: Classification was successful.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 241.60 Age: LOWER MIOCENE
Core: 27 Depth Bottom of Layer(m): 241.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : ****** NO LITH GIVEN ***
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 244.00 Age: LOWER MIOCENE
Core: 28 Depth Bottom of Layer(m): 245.50 Age:
Sect: 1 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 2.02/ 41 155
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SANDY SILT
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 245.50 Age: LOWER MIOCENE
Core: 28 Depth Bottom of Layer(m): 247.00 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 0 98 1.94/ 45 156
Processing Hist: Classification was successful.
Shipboard Lith : SANDY SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 247.00 Age: LOWER MIOCENE
Core: 28 Depth Bottom of Layer(m): 248.50 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 2.02/ 41 159
Processing Hist: Classification was successful.
Shipboard Lith : SANDBEARING CLAYEY SILTSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 248.50 Age: LOWER MIOCENE
Core: 28 Depth Bottom of Layer(m): 250.00 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 0 100 2.00/ 42 158
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 250.00 Age: LOWER MIOCENE
Core: 28 Depth Bottom of Layer(m): 251.50 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 0 100 1.99/ 42 156
Processing Hist: Classification was successful.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 270 Depth Top of Layer(m) : 251.50 Age: LOWER MIOCENE
Core: 28 Depth Bottom of Layer(m): 253.00 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 0 100 2.12/ 35 155
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 253.10 Age: OLIGOCENE
Core: 28 Depth Bottom of Layer(m): 253.10 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYEY SILT
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 253.00 Age: OLIGOCENE
Core: 29 Depth Bottom of Layer(m): 254.50 Age:
Sect: 1 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.94/ 45 151
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILT
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 254.50 Age: OLIGOCENE
Core: 29 Depth Bottom of Layer(m): 256.00 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 0 100 1.91/ 47 158
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 256.00 Age: OLIGOCENE
Core: 29 Depth Bottom of Layer(m): 257.50 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 0 98 1.96/ 44 157
Processing Hist: Classification was successful.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 257.50 Age: OLIGOCENE
Core: 29 Depth Bottom of Layer(m): 259.00 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 98 1.94/ 45 159
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 259.00 Age: OLIGOCENE
Core: 29 Depth Bottom of Layer(m): 260.50 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 0 98 1.93/ 46 159
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 260.50 Age: OLIGOCENE
Core: 29 Depth Bottom of Layer(m): 262.00 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 0 98 1.70/ 59 153
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 262.10 Age: OLIGOCENE
Core: 29 Depth Bottom of Layer(m): 262.10 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 98 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : ****** NO LITH GIVEN ***
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 262.50 Age: OLIGOCENE
Core: 30 Depth Bottom of Layer(m): 264.00 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 0 98 1.78/ 55 153
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 264.00 Age: OLIGOCENE
Core: 30 Depth Bottom of Layer(m): 265.50 Age:
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.94/ 46 157
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 265.50 Age: OLIGOCENE
Core: 30 Depth Bottom of Layer(m): 267.00 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 0 98 1.94/ 45 159
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 267.00 Age: OLIGOCENE
Core: 30 Depth Bottom of Layer(m): 268.50 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 0 98 1.87/ 50 156
Processing Hist: Classification was successful.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 268.50 Age: OLIGOCENE
Core: 30 Depth Bottom of Layer(m): 270.00 Age:
Sect: 5 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.89/ 48 157
Processing Hist: Classification was successful.
Shipboard Lith : SANDY SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 270.10 Age: OLIGOCENE
Core: 30 Depth Bottom of Layer(m): 270.10 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : ****** NO LITH GIVEN ***
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 1400/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 273.40 Age: OLIGOCENE
Core: 31 Depth Bottom of Layer(m): 273.50 Age:
Sect: 1 Thickness of Layer(m) : 0.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 50/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 273.55 Age: OLIGOCENE
Core: 31 Depth Bottom of Layer(m): 275.00 Age:
Sect: 2 Thickness of Layer(m) : 1.45
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 0 98 1.87/ 49 147
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 275.00 Age: OLIGOCENE
Core: 31 Depth Bottom of Layer(m): 276.50 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 98 1.76/ 56 148
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 276.50 Age: OLIGOCENE
Core: 31 Depth Bottom of Layer(m): 278.00 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 0 100 1.82/ 52 150
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILT
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 278.00 Age: OLIGOCENE
Core: 31 Depth Bottom of Layer(m): 279.50 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 0 100 1.94/ 46 158
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 279.50 Age: OLIGOCENE
Core: 31 Depth Bottom of Layer(m): 281.00 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 1.99/ 42 156
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 281.10 Age: OLIGOCENE
Core: 31 Depth Bottom of Layer(m): 281.10 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 550/1250 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 282.05 Age: OLIGOCENE
Core: 32 Depth Bottom of Layer(m): 282.75 Age:
Sect: 1 Thickness of Layer(m) : 0.70
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
42 0 0 /
Processing Hist:
Shipboard Lith : CARBONATE CEMENTED SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 1250/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 282.75 Age: OLIGOCENE
Core: 32 Depth Bottom of Layer(m): 283.00 Age:
Sect: 1 Thickness of Layer(m) : 0.25
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1420 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 283.00 Age: OLIGOCENE
Core: 32 Depth Bottom of Layer(m): 284.42 Age:
Sect: 2 Thickness of Layer(m) : 1.42
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.91/ 47 129
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1450 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 284.50 Age: OLIGOCENE
Core: 32 Depth Bottom of Layer(m): 285.95 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
========== ========= ======== ================ ============
0 0 0 1.90/ 48 137
Processing Hist:
Shipboard Lith : CLAYEY SILT
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 286.00 Age: OLIGOCENE
Core: 32 Depth Bottom of Layer(m): 287.50 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 0 98 1.79/ 54 156
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1440 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 287.50 Age: OLIGOCENE
Core: 32 Depth Bottom of Layer(m): 288.94 Age:
Sect: 5 Thickness of Layer(m) : 1.44
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.84/ 52 132
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILT
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 289.10 Age: OLIGOCENE
Core: 32 Depth Bottom of Layer(m): 289.10 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
========== ========= ======== ================ ============
17 0 83 /
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/ 530 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 291.00 Age: OLIGOCENE
Core: 33 Depth Bottom of Layer(m): 291.53 Age:
Sect: 1 Thickness of Layer(m) : 0.53
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 83 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 530/ 550 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 291.53 Age: OLIGOCENE
Core: 33 Depth Bottom of Layer(m): 291.55 Age:
Sect: 1 Thickness of Layer(m) : 0.02
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : CLAYSTONE
Screen Lith : CLASTIC STONE.
Leg : 28 Top/Bottom Interval(mm) : 550/ 930 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 291.55 Age: OLIGOCENE
Core: 33 Depth Bottom of Layer(m): 291.93 Age:
Sect: 1 Thickness of Layer(m) : 0.38
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : CLAYSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/ 130 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 292.50 Age: OLIGOCENE
Core: 33 Depth Bottom of Layer(m): 292.63 Age:
Sect: 2 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 0 100 1.76/ 56 7
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SANDY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 130/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 292.63 Age: OLIGOCENE
Core: 33 Depth Bottom of Layer(m): 294.00 Age:
Sect: 2 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 1.98/ 43 146
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 294.00 Age: OLIGOCENE
Core: 33 Depth Bottom of Layer(m): 295.50 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 0 100 1.95/ 45 158
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 295.50 Age: OLIGOCENE
Core: 33 Depth Bottom of Layer(m): 297.00 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 0 100 1.92/ 47 157
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 297.00 Age: OLIGOCENE
Core: 33 Depth Bottom of Layer(m): 298.50 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 0 100 1.77/ 55 157
Processing Hist: Classification was successful.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : FELDSPAR RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 298.50 Age: OLIGOCENE
Core: 33 Depth Bottom of Layer(m): 300.00 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 0 100 1.91/ 47 157
Processing Hist: Classification was successful.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 900/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 301.40 Age: OLIGOCENE
Core: 34 Depth Bottom of Layer(m): 302.00 Age:
Sect: 1 Thickness of Layer(m) : 0.60
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
80 0 20 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : TERRIGENOUS DETRITUS RICH INDURATED CARBONATE CHALK
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 302.00 Age: OLIGOCENE
Core: 34 Depth Bottom of Layer(m): 303.50 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
========== ========= ======== ================ ============
4 0 96 1.67/ 62 151
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : FELDSPAR RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 303.50 Age: OLIGOCENE
Core: 34 Depth Bottom of Layer(m): 305.00 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 0 98 1.83/ 52 151
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 305.00 Age: OLIGOCENE
Core: 34 Depth Bottom of Layer(m): 306.50 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 0 98 1.57/ 67 156
Processing Hist: Classification was successful.
Shipboard Lith : CLAY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 306.50 Age: OLIGOCENE
Core: 34 Depth Bottom of Layer(m): 308.00 Age:
Sect: 5 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.85/ 51 154
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 308.00 Age: OLIGOCENE
Core: 34 Depth Bottom of Layer(m): 309.50 Age:
Sect: 6 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.94/ 45 152
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 309.60 Age: OLIGOCENE
Core: 34 Depth Bottom of Layer(m): 309.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : ****** NO LITH GIVEN ***
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 310.50 Age: OLIGOCENE
Core: 35 Depth Bottom of Layer(m): 312.00 Age:
Sect: 1 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.76/ 56 149
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 312.00 Age: OLIGOCENE
Core: 35 Depth Bottom of Layer(m): 313.50 Age:
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.84/ 51 154
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 313.50 Age: OLIGOCENE
Core: 35 Depth Bottom of Layer(m): 315.00 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.88/ 49 153
Processing Hist: Classification was successful.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1450 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 315.00 Age: OLIGOCENE
Core: 35 Depth Bottom of Layer(m): 316.45 Age:
Sect: 4 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
========== ========= ======== ================ ============
0 0 100 1.94/ 45 144
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 316.50 Age: OLIGOCENE
Core: 35 Depth Bottom of Layer(m): 318.00 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 0 98 1.85/ 51 153
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SANDSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 318.00 Age: OLIGOCENE
Core: 35 Depth Bottom of Layer(m): 319.50 Age:
Sect: 6 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 2.00/ 42 159
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 319.60 Age: OLIGOCENE
Core: 35 Depth Bottom of Layer(m): 319.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 490/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 319.99 Age: OLIGOCENE
Core: 36 Depth Bottom of Layer(m): 321.00 Age:
Sect: 1 Thickness of Layer(m) : 1.01
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 0 98 /
Processing Hist: Classification was successful.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 321.00 Age: OLIGOCENE
Core: 36 Depth Bottom of Layer(m): 322.50 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 0 98 1.96/ 44 157
Processing Hist: Classification was successful.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 322.50 Age: OLIGOCENE
Core: 36 Depth Bottom of Layer(m): 324.00 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 0 99 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 324.00 Age: OLIGOCENE
Core: 36 Depth Bottom of Layer(m): 325.50 Age:
Sect: 4 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.97/ 43 157
Processing Hist: Classification was successful.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/ 550 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 325.50 Age: OLIGOCENE
Core: 36 Depth Bottom of Layer(m): 326.05 Age:
Sect: 5 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
========== ========= ======== ================ ============
0 0 100 /
Processing Hist: Classification was successful.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 550/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 326.05 Age: OLIGOCENE
Core: 36 Depth Bottom of Layer(m): 327.00 Age:
Sect: 5 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 0 100 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 327.00 Age: OLIGOCENE
Core: 36 Depth Bottom of Layer(m): 328.50 Age:
Sect: 6 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.78/ 55 155
Processing Hist: Classification was successful.
Shipboard Lith : CLAYSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 328.60 Age: OLIGOCENE
Core: 36 Depth Bottom of Layer(m): 328.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 0 98 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 1030/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 330.03 Age: OLIGOCENE
Core: 37 Depth Bottom of Layer(m): 330.50 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 170/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 330.67 Age: OLIGOCENE
Core: 37 Depth Bottom of Layer(m): 332.00 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
========== ========= ======== ================ ============
4 0 96 1.85/ 51 128
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1200 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 332.00 Age: OLIGOCENE
Core: 37 Depth Bottom of Layer(m): 333.20 Age:
Sect: 3 Thickness of Layer(m) : 1.20
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.88/ 49 124
Processing Hist: Classification was successful.
Shipboard Lith : CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 1200/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 333.20 Age: OLIGOCENE
Core: 37 Depth Bottom of Layer(m): 333.50 Age:
Sect: 3 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 1.74/ 57 31
Processing Hist:
Shipboard Lith : SILTIER SANDIER CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 333.50 Age: OLIGOCENE
Core: 37 Depth Bottom of Layer(m): 335.00 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
========== ========= ======== ================ ============
15 0 85 1.81/ 53 152
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 335.10 Age: OLIGOCENE
Core: 37 Depth Bottom of Layer(m): 335.10 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : ****** NO LITH GIVEN ***
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 338.50 Age: OLIGOCENE
Core: 38 Depth Bottom of Layer(m): 340.00 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
========== ========= ======== ================ ============
1 0 0 /
Processing Hist:
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 340.00 Age: OLIGOCENE
Core: 38 Depth Bottom of Layer(m): 341.50 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
========== ========= ======== ================ ============
4 0 96 1.98/ 43 158
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 341.50 Age: OLIGOCENE
Core: 38 Depth Bottom of Layer(m): 343.00 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 0 98 1.93/ 46 157
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 343.00 Age: OLIGOCENE
Core: 38 Depth Bottom of Layer(m): 344.50 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 0 97 1.97/ 43 160
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 344.50 Age: OLIGOCENE
Core: 38 Depth Bottom of Layer(m): 346.00 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
========== ========= ======== ================ ============
4 0 96 1.97/ 44 157
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 346.00 Age: OLIGOCENE
Core: 38 Depth Bottom of Layer(m): 347.50 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
========== ========= ======== ================ ============
3 2 95 1.85/ 51 152
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 347.60 Age: OLIGOCENE
Core: 38 Depth Bottom of Layer(m): 347.60 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 95 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE (DIAMICTITE)
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1380 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 348.00 Age: OLIGOCENE
Core: 39 Depth Bottom of Layer(m): 349.38 Age:
Sect: 1 Thickness of Layer(m) : 1.38
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
3 0 97 1.95/ 45 127
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 349.50 Age: OLIGOCENE
Core: 39 Depth Bottom of Layer(m): 351.00 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 0 97 1.86/ 50 158
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/ 850 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 351.00 Age: OLIGOCENE
Core: 39 Depth Bottom of Layer(m): 351.85 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
========== ========= ======== ================ ============
0 0 97 2.01/ 41 89
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 850/1400 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 351.85 Age: OLIGOCENE
Core: 39 Depth Bottom of Layer(m): 352.40 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
========== ========= ======== ================ ============
0 0 100 1.81/ 53 59
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 1400/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 352.40 Age: OLIGOCENE
Core: 39 Depth Bottom of Layer(m): 352.50 Age:
Sect: 3 Thickness of Layer(m) : 0.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.79/ 54 10
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 352.50 Age: OLIGOCENE
Core: 39 Depth Bottom of Layer(m): 354.00 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 0 98 1.79/ 55 147
Processing Hist: Classification was successful.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1250 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 354.00 Age: OLIGOCENE
Core: 39 Depth Bottom of Layer(m): 355.25 Age:
Sect: 5 Thickness of Layer(m) : 1.25
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 0 98 1.72/ 58 131
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 1250/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 355.25 Age: OLIGOCENE
Core: 39 Depth Bottom of Layer(m): 355.50 Age:
Sect: 5 Thickness of Layer(m) : 0.25
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.72/ 59 26
Processing Hist:
Shipboard Lith : SILTIER CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 355.50 Age: OLIGOCENE
Core: 39 Depth Bottom of Layer(m): 357.00 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 0 98 2.04/ 39 157
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SANDY SILT
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 357.10 Age: OLIGOCENE
Core: 39 Depth Bottom of Layer(m): 357.10 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : ****** NO LITH GIVEN ***
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 420/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 357.92 Age: OLIGOCENE
Core: 40 Depth Bottom of Layer(m): 359.00 Age:
Sect: 1 Thickness of Layer(m) : 1.08
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 0 98 /
Processing Hist: Classification was successful.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/ 950 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 359.00 Age: OLIGOCENE
Core: 40 Depth Bottom of Layer(m): 359.95 Age:
Sect: 2 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 0 98 1.75/ 57 102
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 950/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 359.95 Age: OLIGOCENE
Core: 40 Depth Bottom of Layer(m): 360.50 Age:
Sect: 2 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
========== ========= ======== ================ ============
2 0 98 1.83/ 52 58
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTY SANDSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH SANDY MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/ 500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 360.50 Age: OLIGOCENE
Core: 40 Depth Bottom of Layer(m): 361.00 Age:
Sect: 3 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 1.96/ 44 54
Processing Hist:
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH SANDY MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 500/1250 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 361.00 Age: OLIGOCENE
Core: 40 Depth Bottom of Layer(m): 361.75 Age:
Sect: 3 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 0 98 1.89/ 48 80
Processing Hist: Classification was successful.
Shipboard Lith : SILTY SANDSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH SANDY MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 1250/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 361.75 Age: OLIGOCENE
Core: 40 Depth Bottom of Layer(m): 362.00 Age:
Sect: 3 Thickness of Layer(m) : 0.25
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 0 98 1.98/ 43 26
Processing Hist: Classification was successful.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/ 800 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 362.00 Age: OLIGOCENE
Core: 40 Depth Bottom of Layer(m): 362.80 Age:
Sect: 4 Thickness of Layer(m) : 0.80
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 0 98 1.84/ 51 85
Processing Hist: Classification was successful.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 800/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 362.80 Age: OLIGOCENE
Core: 40 Depth Bottom of Layer(m): 363.50 Age:
Sect: 4 Thickness of Layer(m) : 0.70
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 98 1.80/ 53 74
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 363.50 Age: OLIGOCENE
Core: 40 Depth Bottom of Layer(m): 365.00 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 0 98 1.96/ 44 158
Processing Hist: Classification was successful.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 1300/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 368.30 Age: OLIGOCENE
Core: 41 Depth Bottom of Layer(m): 368.50 Age:
Sect: 1 Thickness of Layer(m) : 0.20
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 98 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 368.50 Age: OLIGOCENE
Core: 41 Depth Bottom of Layer(m): 370.00 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
========== ========= ======== ================ ============
5 0 95 1.84/ 51 158
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1300 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 370.00 Age: OLIGOCENE
Core: 41 Depth Bottom of Layer(m): 371.30 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
========== ========= ======== ================ ============
2 0 98 1.80/ 54 130
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 1300/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 371.30 Age: OLIGOCENE
Core: 41 Depth Bottom of Layer(m): 371.50 Age:
Sect: 3 Thickness of Layer(m) : 0.20
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.76/ 56 21
Processing Hist:
Shipboard Lith : CLAYEY SANDY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 371.60 Age: OLIGOCENE
Core: 41 Depth Bottom of Layer(m): 371.60 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 : SILTY CLAYSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 370.00 Age: OLIGOCENE
Core: 42 Depth Bottom of Layer(m): 371.50 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 0 98 1.77/ 55 156
Processing Hist: Classification was successful.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 371.50 Age: OLIGOCENE
Core: 42 Depth Bottom of Layer(m): 373.00 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
========== ========= ======== ================ ============
5 0 95 1.91/ 47 157
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILT
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 373.00 Age: OLIGOCENE
Core: 42 Depth Bottom of Layer(m): 374.50 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 0 97 2.03/ 40 159
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1460 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 374.50 Age: OLIGOCENE
Core: 42 Depth Bottom of Layer(m): 375.96 Age:
Sect: 4 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 0 97 1.97/ 44 153
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/ 310 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 376.50 Age: OLIGOCENE
Core: 43 Depth Bottom of Layer(m): 376.81 Age:
Sect: 1 Thickness of Layer(m) : 0.31
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 97 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SANDY CLAYEY SILTSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 378.00 Age: OLIGOCENE
Core: 43 Depth Bottom of Layer(m): 379.50 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
========== ========= ======== ================ ============
5 2 93 1.98/ 43 154
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 379.50 Age: OLIGOCENE
Core: 43 Depth Bottom of Layer(m): 381.00 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.98/ 43 156
Processing Hist:
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 381.00 Age: OLIGOCENE
Core: 43 Depth Bottom of Layer(m): 382.50 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
========== ========= ======== ================ ============
5 0 95 1.87/ 50 158
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILTSTONE
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/ 920 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 382.50 Age: OLIGOCENE
Core: 43 Depth Bottom of Layer(m): 383.42 Age:
Sect: 5 Thickness of Layer(m) : 0.92
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 95 1.80/ 54 98
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY SANDSTONE
Screen Lith : SANDSTONE
Leg : 28 Top/Bottom Interval(mm) : 920/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 383.42 Age: OLIGOCENE
Core: 43 Depth Bottom of Layer(m): 384.00 Age:
Sect: 5 Thickness of Layer(m) : 0.58
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 95 1.85/ 51 61
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 00/ 300 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 384.00 Age: OLIGOCENE
Core: 43 Depth Bottom of Layer(m): 384.30 Age:
Sect: 6 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 95 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY SANDSTONE
Screen Lith : SANDSTONE
Leg : 28 Top/Bottom Interval(mm) : 300/ 990 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 384.30 Age: OLIGOCENE
Core: 43 Depth Bottom of Layer(m): 384.99 Age:
Sect: 6 Thickness of Layer(m) : 0.69
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 95 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : CLAYSTONE
Leg : 28 Top/Bottom Interval(mm) : 990/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 384.99 Age: OLIGOCENE
Core: 43 Depth Bottom of Layer(m): 385.50 Age:
Sect: 6 Thickness of Layer(m) : 0.51
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
30 0 70 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CALCAREOUS GREENS AND
Screen Lith : CARBONATE RICH TERRIGENOUS DETRITUS RICH MUDSTONE
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 385.60 Age: OLIGOCENE
Core: 43 Depth Bottom of Layer(m): 385.60 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
========== ========= ======== ================ ============
32 0 68 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY SANDSTONE
Screen Lith : TERRIGENOUS DETRITUS RICH MARLY CARBONATE LIMESTONE
Leg : 28 Top/Bottom Interval(mm) : 1140/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 387.14 Age: OLIGOCENE
Core: 44 Depth Bottom of Layer(m): 387.50 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 0 100 /
Processing Hist: Classification was successful.
Shipboard Lith : SAND AND MINOR CLAY
Screen Lith : QUARTZ RICH TERRIGENOUS DETRITUS RICH SANDY MUD
Leg : 28 Top/Bottom Interval(mm) : 00/ 110 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 387.50 Age: OLIGOCENE
Core: 44 Depth Bottom of Layer(m): 387.61 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 0 100 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SANDY CLAY AND CLAYEY SANDSTONE
Screen Lith : SANDSTONE
Leg : 28 Top/Bottom Interval(mm) : 110/ 350 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 387.61 Age: OLIGOCENE
Core: 44 Depth Bottom of Layer(m): 387.85 Age:
Sect: 2 Thickness of Layer(m) : 0.24
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
60 0 40 /
Processing Hist: Classification was successful.
Shipboard Lith : SANDSTONE AND SAND CARBONATE ROCK
Screen Lith : QUARTZ RICH CARBONATE CHALK
Leg : 28 Top/Bottom Interval(mm) : 350/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 387.85 Age: OLIGOCENE
Core: 44 Depth Bottom of Layer(m): 389.00 Age:
Sect: 2 Thickness of Layer(m) : 1.15
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIA
Screen Lith : BRECCIA
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 389.00 Age: OLIGOCENE
Core: 44 Depth Bottom of Layer(m): 390.50 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.76/ 56 159
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIA
Screen Lith : BRECCIA
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 390.50 Age: OLIGOCENE
Core: 44 Depth Bottom of Layer(m): 392.00 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 1.97/ 44 155
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIA
Screen Lith : BRECCIA
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 392.00 Age: OLIGOCENE
Core: 44 Depth Bottom of Layer(m): 393.50 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 1.98/ 43 158
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIA
Screen Lith : BRECCIA
Leg : 28 Top/Bottom Interval(mm) : 0/ 0 Age: OLIGOCENE
Hole: 270 Depth Top of Layer(m) : 393.60 Age: OLIGOCENE
Core: 44 Depth Bottom of Layer(m): 393.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIA
Screen Lith : BRECCIA
Leg : 28 Top/Bottom Interval(mm) : 700/1000 Age:
Hole: 270 Depth Top of Layer(m) : 396.20 Age:
Core: 45 Depth Bottom of Layer(m): 396.50 Age:
Sect: 1 Thickness of Layer(m) : 0.30
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIA
Screen Lith : BRECCIA
Leg : 28 Top/Bottom Interval(mm) : 1000/1100 Age:
Hole: 270 Depth Top of Layer(m) : 396.50 Age:
Core: 45 Depth Bottom of Layer(m): 396.60 Age:
Sect: 1 Thickness of Layer(m) : 0.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SANDSTONE
Screen Lith : SANDSTONE
Leg : 28 Top/Bottom Interval(mm) : 1100/1480 Age:
Hole: 270 Depth Top of Layer(m) : 396.60 Age:
Core: 45 Depth Bottom of Layer(m): 396.98 Age:
Sect: 1 Thickness of Layer(m) : 0.38
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIA
Screen Lith : BRECCIA
Leg : 28 Top/Bottom Interval(mm) : 80/1500 Age:
Hole: 270 Depth Top of Layer(m) : 397.08 Age:
Core: 45 Depth Bottom of Layer(m): 398.50 Age:
Sect: 2 Thickness of Layer(m) : 1.42
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.97/ 43 144
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIA
Screen Lith : BRECCIA
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 270 Depth Top of Layer(m) : 398.50 Age:
Core: 45 Depth Bottom of Layer(m): 400.00 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 2.02/ 40 156
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIA
Screen Lith : BRECCIA
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 270 Depth Top of Layer(m) : 400.00 Age:
Core: 45 Depth Bottom of Layer(m): 401.50 Age:
Sect: 4 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.97/ 44 157
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIA
Screen Lith : BRECCIA
Leg : 28 Top/Bottom Interval(mm) : 750/1500 Age:
Hole: 270 Depth Top of Layer(m) : 405.75 Age:
Core: 46 Depth Bottom of Layer(m): 406.50 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIA
Screen Lith : BRECCIA
Leg : 28 Top/Bottom Interval(mm) : 440/1500 Age:
Hole: 270 Depth Top of Layer(m) : 406.94 Age:
Core: 46 Depth Bottom of Layer(m): 408.00 Age:
Sect: 2 Thickness of Layer(m) : 1.06
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.85/ 51 101
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIA
Screen Lith : BRECCIA
Leg : 28 Top/Bottom Interval(mm) : 1240/1500 Age:
Hole: 270 Depth Top of Layer(m) : 410.74 Age:
Core: 47 Depth Bottom of Layer(m): 411.00 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: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIA
Screen Lith : BRECCIA
Leg : 28 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 270 Depth Top of Layer(m) : 411.00 Age:
Core: 47 Depth Bottom of Layer(m): 412.50 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 1.70/ 60 145
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIA
Screen Lith : BRECCIA
Leg : 28 Top/Bottom Interval(mm) : 00/ 150 Age:
Hole: 270 Depth Top of Layer(m) : 412.50 Age:
Core: 47 Depth Bottom of Layer(m): 412.65 Age:
Sect: 3 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 1.40/ 77 5
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIA
Screen Lith : BRECCIA
Leg : 28 Top/Bottom Interval(mm) : 150/ 200 Age:
Hole: 270 Depth Top of Layer(m) : 412.65 Age:
Core: 47 Depth Bottom of Layer(m): 412.70 Age:
Sect: 3 Thickness of Layer(m) : 0.05
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : LEUCOGRANITE
Screen Lith : LEUCOGRANITE
Leg : 28 Top/Bottom Interval(mm) : 200/ 600 Age:
Hole: 270 Depth Top of Layer(m) : 412.70 Age:
Core: 47 Depth Bottom of Layer(m): 413.10 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 1.81/ 53 39
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIATED CARBONATE ROCK - MARBLE?
Screen Lith : BRECCIATED CARBONATE ROCK - MARBLE?
Leg : 28 Top/Bottom Interval(mm) : 600/ 760 Age:
Hole: 270 Depth Top of Layer(m) : 413.10 Age:
Core: 47 Depth Bottom of Layer(m): 413.26 Age:
Sect: 3 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 1.89/ 49 17
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIATED ALTERED GRANITIC ROCK
Screen Lith : BRECCIATED ALTERED GRANITIC ROCK
Leg : 28 Top/Bottom Interval(mm) : 760/1500 Age:
Hole: 270 Depth Top of Layer(m) : 413.26 Age:
Core: 47 Depth Bottom of Layer(m): 414.00 Age:
Sect: 3 Thickness of Layer(m) : 0.74
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 2.04/ 39 78
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BRECCIATED CARBONATE-RICH ROCK -MARBLE?
Screen Lith : BRECCIATED CARBONATE-RICH ROCK -MARBLE?
Leg : 28 Top/Bottom Interval(mm) : 620/1500 Age:
Hole: 270 Depth Top of Layer(m) : 415.12 Age:
Core: 48 Depth Bottom of Layer(m): 416.00 Age:
Sect: 1 Thickness of Layer(m) : 0.88
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.81/ 53 86
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : CCIATED CHLORITIZED LAYERED GNEISS AND FINE-GRAINED MARBLE?
Screen Lith : CCIATED CHLORITIZED LAYERED GNEISS AND FINE-GRAINED MARBLE?
Leg : 28 Top/Bottom Interval(mm) : 1000/1500 Age:
Hole: 270 Depth Top of Layer(m) : 422.50 Age:
Core: 49 Depth Bottom of Layer(m): 423.00 Age:
Sect: 1 Thickness of Layer(m) : 0.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : CALC-SILICATE GNEISS
Screen Lith : CALC-SILICATE GNEISS
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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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