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Core Data from the Deep Sea Drilling Project
Leg : 67 Top/Bottom Interval(mm) : 800/1430 Age: QUATERNARY
Hole: 498A Depth Top of Layer(m) : 32.30 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 32.93 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
========== ========= ======== ================ ============
0 0 79 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOM MUD
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 180 Age: QUATERNARY
Hole: 498A Depth Top of Layer(m) : 33.05 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 33.23 Age:
Sect: CC Thickness of Layer(m) : 0.18
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 16 84 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM MUD
Screen Lith : CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: QUATERNARY
Hole: 498A Depth Top of Layer(m) : 98.00 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 99.50 Age:
Sect: 1 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.31/ 83 122
Processing Hist:
Shipboard Lith : DIATOMACEOUS MUD
Screen Lith : CLASTIC SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 00/ 250 Age: QUATERNARY
Hole: 498A Depth Top of Layer(m) : 99.60 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 99.85 Age:
Sect: CC 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 24 74 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOMACEOUS MUD
Screen Lith : DIATOM RICH CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 1100/1500 Age: QUATERNARY
Hole: 498A Depth Top of Layer(m) : 156.10 Age: QUATERNARY
Core: 3 Depth Bottom of Layer(m): 156.50 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 : DIATOMACEOUS MUD
Screen Lith : CLASTIC SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 160/ 360 Age: QUATERNARY
Hole: 498A Depth Top of Layer(m) : 156.66 Age: QUATERNARY
Core: 3 Depth Bottom of Layer(m): 156.86 Age:
Sect: CC Thickness of Layer(m) : 0.20
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : DIATOMACEOUS MUD
Screen Lith : CLASTIC SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: LOWER QUATERNARY
Hole: 498A Depth Top of Layer(m) : 202.50 Age: LOWER QUATERNARY
Core: 4 Depth Bottom of Layer(m): 204.00 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
========== ========= ======== ================ ============
16 14 71 1.32/ 83 139
Processing Hist: Classification was successful.
Shipboard Lith : MUDSTONE
Screen Lith : CARBONATE RICH CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 320 Age: LOWER QUATERNARY
Hole: 498A Depth Top of Layer(m) : 204.10 Age: LOWER QUATERNARY
Core: 4 Depth Bottom of Layer(m): 204.42 Age:
Sect: CC Thickness of Layer(m) : 0.32
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CLASTIC SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: LOWER QUATERNARY
Hole: 498A Depth Top of Layer(m) : 212.00 Age: LOWER QUATERNARY
Core: 5 Depth Bottom of Layer(m): 213.50 Age:
Sect: 1 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
5 24 71 1.58/ 67 145
Processing Hist: Classification was successful.
Shipboard Lith : DIATOMACEOUS MUD
Screen Lith : DIATOM RICH CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 498A Depth Top of Layer(m) : 213.50 Age: PLIOCENE
Core: 5 Depth Bottom of Layer(m): 215.00 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 1.66/ 62 143
Processing Hist:
Shipboard Lith : DIATOMACEOUS MUD AND MUDSTONE
Screen Lith : CLASTIC SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 498A Depth Top of Layer(m) : 215.00 Age: PLIOCENE
Core: 5 Depth Bottom of Layer(m): 216.50 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 0 1.52/ 70 137
Processing Hist:
Shipboard Lith : DIATOMACEOUS MUD AND MUDSTONE
Screen Lith : CLASTIC SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 00/1390 Age: PLIOCENE
Hole: 498A Depth Top of Layer(m) : 216.50 Age: PLIOCENE
Core: 5 Depth Bottom of Layer(m): 217.89 Age:
Sect: 4 Thickness of Layer(m) : 1.39
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.51/ 71 98
Processing Hist:
Shipboard Lith : BIOGENIC MUD
Screen Lith : CLASTIC SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 00/1210 Age: PLIOCENE
Hole: 498A Depth Top of Layer(m) : 218.00 Age: PLIOCENE
Core: 5 Depth Bottom of Layer(m): 219.21 Age:
Sect: 5 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
========== ========= ======== ================ ============
4 2 94 /
Processing Hist: Classification was successful.
Shipboard Lith : HEMIPELAGIC MUD
Screen Lith : CLAY MINERAL RICH SANDY MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 498A Depth Top of Layer(m) : 219.50 Age: PLIOCENE
Core: 5 Depth Bottom of Layer(m): 221.00 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 7 93 1.59/ 66 141
Processing Hist:
Shipboard Lith : CALCAREOUS MUD
Screen Lith : CLASTIC SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 00/ 250 Age: PLIOCENE
Hole: 498A Depth Top of Layer(m) : 221.10 Age: PLIOCENE
Core: 5 Depth Bottom of Layer(m): 221.35 Age:
Sect: CC 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 93 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SANDY MUD
Screen Lith : SANDY MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 100 Age:
Hole: 498A Depth Top of Layer(m) : 221.60 Age:
Core: 6 Depth Bottom of Layer(m): 221.70 Age:
Sect: CC Thickness of Layer(m) : 0.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 93 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : BIOGENIC MUD
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 231.00 Age: MIOCENE
Core: 7 Depth Bottom of Layer(m): 232.50 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 93 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : BIOGENIC MUD
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 232.50 Age: MIOCENE
Core: 7 Depth Bottom of Layer(m): 234.00 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 93 1.56/ 68 145
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : BIOGENIC MUD
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 234.00 Age: MIOCENE
Core: 7 Depth Bottom of Layer(m): 235.50 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 7 93 1.59/ 66 144
Processing Hist: Classification was successful.
Shipboard Lith : HEMITERRIGENOUS MUD
Screen Lith : QUARTZ RICH CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1130 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 235.50 Age: MIOCENE
Core: 7 Depth Bottom of Layer(m): 236.63 Age:
Sect: 4 Thickness of Layer(m) : 1.13
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
1 6 93 1.58/ 67 68
Processing Hist: Classification was successful.
Shipboard Lith : HEMITERRIGENOUS MUD
Screen Lith : CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 350 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 236.73 Age: MIOCENE
Core: 7 Depth Bottom of Layer(m): 237.08 Age:
Sect: CC 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
========== ========= ======== ================ ============
5 5 90 /
Processing Hist: Classification was successful.
Shipboard Lith : HEMITERRIGENOUS MUD
Screen Lith : CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 840 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 240.50 Age: MIOCENE
Core: 8 Depth Bottom of Layer(m): 241.34 Age:
Sect: 1 Thickness of Layer(m) : 0.84
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 0 98 /
Processing Hist: Classification was successful.
Shipboard Lith : MUDSTONE AND MUD
Screen Lith : GLASS RICH CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 1010/1480 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 241.51 Age: MIOCENE
Core: 8 Depth Bottom of Layer(m): 241.98 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 98 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUDSTONE AND MUD
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 840 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 242.00 Age: MIOCENE
Core: 8 Depth Bottom of Layer(m): 242.84 Age:
Sect: 2 Thickness of Layer(m) : 0.84
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
97 1 2 /
Processing Hist: Classification was successful.
Shipboard Lith : MUDSTONE AND MUD
Screen Lith : CARBONATE CHALK
Leg : 67 Top/Bottom Interval(mm) : 1000/1500 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 243.00 Age: MIOCENE
Core: 8 Depth Bottom of Layer(m): 243.50 Age:
Sect: 2 Thickness of Layer(m) : 0.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 2 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUDSTONE AND MUD
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1400 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 243.50 Age: MIOCENE
Core: 8 Depth Bottom of Layer(m): 244.90 Age:
Sect: 3 Thickness of Layer(m) : 1.40
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
7 2 91 1.61/ 65 126
Processing Hist: Classification was successful.
Shipboard Lith : MUDSTONE AND MUD
Screen Lith : CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 245.00 Age: MIOCENE
Core: 8 Depth Bottom of Layer(m): 246.50 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 /
Processing Hist:
Shipboard Lith : MUDSTONE AND MUD
Screen Lith : CLASTIC SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 00/1210 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 246.50 Age: MIOCENE
Core: 8 Depth Bottom of Layer(m): 247.71 Age:
Sect: 5 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
========== ========= ======== ================ ============
2 1 97 1.54/ 70 84
Processing Hist: Classification was successful.
Shipboard Lith : MUDSTONE
Screen Lith : GLASS RICH CLAY MINERAL RICH MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 248.00 Age: MIOCENE
Core: 8 Depth Bottom of Layer(m): 249.50 Age:
Sect: 6 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.60/ 65 127
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CLASTIC STONE.
Leg : 67 Top/Bottom Interval(mm) : 00/ 450 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 249.50 Age: MIOCENE
Core: 8 Depth Bottom of Layer(m): 249.95 Age:
Sect: 7 Thickness of Layer(m) : 0.45
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CLASTIC STONE.
Leg : 67 Top/Bottom Interval(mm) : 00/ 340 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 250.05 Age: MIOCENE
Core: 8 Depth Bottom of Layer(m): 250.39 Age:
Sect: CC Thickness of Layer(m) : 0.34
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CLASTIC STONE.
Leg : 67 Top/Bottom Interval(mm) : 00/ 200 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 250.10 Age: MIOCENE
Core: 9 Depth Bottom of Layer(m): 250.30 Age:
Sect: CC 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 3 95 /
Processing Hist: Classification was successful.
Shipboard Lith : MUDSTONE
Screen Lith : CLAY MINERAL RICH MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 180 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 259.50 Age: MIOCENE
Core: 10 Depth Bottom of Layer(m): 259.68 Age:
Sect: 1 Thickness of Layer(m) : 0.18
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CLAY MINERAL RICH MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 261.00 Age: MIOCENE
Core: 10 Depth Bottom of Layer(m): 262.50 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 1.40/ 78 146
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CLAY MINERAL RICH MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 262.50 Age: MIOCENE
Core: 10 Depth Bottom of Layer(m): 264.00 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 : MUDSTONE
Screen Lith : CLAY MINERAL RICH MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 264.00 Age: MIOCENE
Core: 10 Depth Bottom of Layer(m): 265.50 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
========== ========= ======== ================ ============
7 9 84 /
Processing Hist: Classification was successful.
Shipboard Lith : MUDSTONE
Screen Lith : CLAY MINERAL RICH MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 265.50 Age: MIOCENE
Core: 10 Depth Bottom of Layer(m): 267.00 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 84 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/1450 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 267.00 Age: MIOCENE
Core: 10 Depth Bottom of Layer(m): 268.45 Age:
Sect: 6 Thickness of Layer(m) : 1.45
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 84 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 430 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 268.50 Age: MIOCENE
Core: 10 Depth Bottom of Layer(m): 268.93 Age:
Sect: 7 Thickness of Layer(m) : 0.43
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 84 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 380 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 269.03 Age: MIOCENE
Core: 10 Depth Bottom of Layer(m): 269.41 Age:
Sect: CC 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 84 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 269.00 Age: MIOCENE
Core: 11 Depth Bottom of Layer(m): 270.50 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
========== ========= ======== ================ ============
99 0 1 /
Processing Hist: Classification was successful.
Shipboard Lith : MUDSTONE
Screen Lith : CARBONATE CHALK
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 270.50 Age: MIOCENE
Core: 11 Depth Bottom of Layer(m): 272.00 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 1 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 430 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 272.10 Age: MIOCENE
Core: 11 Depth Bottom of Layer(m): 272.53 Age:
Sect: CC Thickness of Layer(m) : 0.43
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 1 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 278.50 Age: MIOCENE
Core: 12 Depth Bottom of Layer(m): 280.00 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 1 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 490 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 280.00 Age: MIOCENE
Core: 12 Depth Bottom of Layer(m): 280.49 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 1 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 180 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 280.59 Age: MIOCENE
Core: 12 Depth Bottom of Layer(m): 280.77 Age:
Sect: CC Thickness of Layer(m) : 0.18
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 1 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 620 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 288.00 Age: MIOCENE
Core: 13 Depth Bottom of Layer(m): 288.62 Age:
Sect: 1 Thickness of Layer(m) : 0.62
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
5 3 92 /
Processing Hist: Classification was successful.
Shipboard Lith : MUDSTONE
Screen Lith : QUARTZ RICH CLAY MINERAL RICH SANDY MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 150 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 288.72 Age: MIDDLE MIOCENE
Core: 13 Depth Bottom of Layer(m): 288.87 Age: LOWER MIOCENE
Sect: CC Thickness of Layer(m) : 0.15
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CLASTIC SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 00/ 150 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 297.60 Age: MIDDLE MIOCENE
Core: 14 Depth Bottom of Layer(m): 297.75 Age: LOWER MIOCENE
Sect: CC Thickness of Layer(m) : 0.15
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CLASTIC SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 400/1500 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 307.40 Age: MIDDLE MIOCENE
Core: 15 Depth Bottom of Layer(m): 308.50 Age: LOWER MIOCENE
Sect: 1 Thickness of Layer(m) : 1.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
3 4 93 /
Processing Hist: Classification was successful.
Shipboard Lith : SAND
Screen Lith : FELDSPAR RICH QUARTZ RICH SAND
Leg : 67 Top/Bottom Interval(mm) : 100/1350 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 308.60 Age: MIDDLE MIOCENE
Core: 15 Depth Bottom of Layer(m): 309.85 Age: LOWER MIOCENE
Sect: 2 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
========== ========= ======== ================ ============
0 0 93 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 50 Age: MIOCENE
Hole: 498A Depth Top of Layer(m) : 309.95 Age: MIDDLE MIOCENE
Core: 15 Depth Bottom of Layer(m): 310.00 Age: LOWER MIOCENE
Sect: CC Thickness of Layer(m) : 0.05
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : IGNEOUS ROCK
Screen Lith : IGNEOUS ROCK
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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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