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Core Data from the Deep Sea Drilling Project
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: PLEISTOCENE
Hole: 552 Depth Top of Layer(m) : 0.00 Age: PLEISTOCENE
Core: 1 Depth Bottom of Layer(m): 1.50 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
========== ========= ======== ================ ============
74 5 22 1.51/ 71 128
Processing Hist: Classification was successful.
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL OOZE
Leg : 81 Top/Bottom Interval(mm) : 00/1000 Age: PLEISTOCENE
Hole: 552 Depth Top of Layer(m) : 1.50 Age: PLEISTOCENE
Core: 1 Depth Bottom of Layer(m): 2.50 Age:
Sect: 2 Thickness of Layer(m) : 1.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
28 0 0 1.57/ 67 77
Processing Hist:
Shipboard Lith : NANNOFOSSIL MARL
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL OOZE
Leg : 81 Top/Bottom Interval(mm) : 1000/1450 Age: PLEISTOCENE
Hole: 552 Depth Top of Layer(m) : 2.50 Age: PLEISTOCENE
Core: 1 Depth Bottom of Layer(m): 2.95 Age:
Sect: 2 Thickness of Layer(m) : 0.45
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.57/ 68 40
Processing Hist:
Shipboard Lith : NANNOFOSSIL FORAM OOZE
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL OOZE
Leg : 81 Top/Bottom Interval(mm) : 00/ 390 Age: PLEISTOCENE
Hole: 552 Depth Top of Layer(m) : 3.00 Age: PLEISTOCENE
Core: 1 Depth Bottom of Layer(m): 3.39 Age:
Sect: 3 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
========== ========= ======== ================ ============
66 0 0 /
Processing Hist:
Shipboard Lith : NANNO FORAM OOZE
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL OOZE
Leg : 81 Top/Bottom Interval(mm) : 00/ 50 Age: PLEISTOCENE
Hole: 552 Depth Top of Layer(m) : 3.49 Age: PLEISTOCENE
Core: 1 Depth Bottom of Layer(m): 3.54 Age:
Sect: CC Thickness of Layer(m) : 0.05
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : NANNO FORAM OOZE
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL OOZE
Leg : 81 Top/Bottom Interval(mm) : 00/1020 Age: LOWER PLIOCENE
Hole: 552 Depth Top of Layer(m) : 51.00 Age: LOWER PLIOCENE
Core: 2 Depth Bottom of Layer(m): 52.02 Age:
Sect: 1 Thickness of Layer(m) : 1.02
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
88 6 6 1.61/ 65 49
Processing Hist: Classification was successful.
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL OOZE
Leg : 81 Top/Bottom Interval(mm) : 00/ 50 Age: LOWER PLIOCENE
Hole: 552 Depth Top of Layer(m) : 52.16 Age: LOWER PLIOCENE
Core: 2 Depth Bottom of Layer(m): 52.21 Age:
Sect: CC Thickness of Layer(m) : 0.05
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : CALCAREOUS OOZE.
Leg : 81 Top/Bottom Interval(mm) : 00/1430 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 108.00 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 109.43 Age:
Sect: 1 Thickness of Layer(m) : 1.43
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
94 2 4 1.72/ 59 119
Processing Hist: Classification was successful.
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 109.50 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 111.00 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
========== ========= ======== ================ ============
74 6 20 1.71/ 59 128
Processing Hist: Classification was successful.
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 81 Top/Bottom Interval(mm) : 00/1150 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 111.00 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 112.15 Age:
Sect: 3 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
========== ========= ======== ================ ============
92 0 0 1.77/ 55 67
Processing Hist:
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : CALCAREOUS OOZE.
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 112.50 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 114.00 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 1.76/ 56 129
Processing Hist:
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : CALCAREOUS OOZE.
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 114.00 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 115.50 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 1.79/ 55 129
Processing Hist:
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : CALCAREOUS OOZE.
Leg : 81 Top/Bottom Interval(mm) : 00/1300 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 115.50 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 116.80 Age:
Sect: 6 Thickness of Layer(m) : 1.30
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.74/ 58 97
Processing Hist:
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : CALCAREOUS OOZE.
Leg : 81 Top/Bottom Interval(mm) : 00/ 150 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 116.95 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 117.10 Age:
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 : FORAM NANNOFOSSIL OOZE
Screen Lith : CALCAREOUS OOZE.
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 117.50 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 119.00 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
========== ========= ======== ================ ============
92 6 2 1.69/ 60 127
Processing Hist: Classification was successful.
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL OOZE
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 119.00 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 120.50 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 : FORAM NANNOFOSSIL OOZE
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL OOZE
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 120.50 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 122.00 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
========== ========= ======== ================ ============
82 3 15 1.73/ 58 129
Processing Hist: Classification was successful.
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL OOZE
Leg : 81 Top/Bottom Interval(mm) : 00/1460 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 122.00 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 123.46 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 0 1.75/ 57 121
Processing Hist:
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : CALCAREOUS OOZE.
Leg : 81 Top/Bottom Interval(mm) : 00/ 100 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 123.56 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 123.66 Age:
Sect: CC Thickness of Layer(m) : 0.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : CALCAREOUS OOZE.
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 127.00 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 128.50 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
========== ========= ======== ================ ============
90 4 6 1.69/ 61 129
Processing Hist: Classification was successful.
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 128.50 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 130.00 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
========== ========= ======== ================ ============
92 0 8 1.74/ 57 129
Processing Hist: Classification was successful.
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 130.00 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 131.50 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 1.75/ 57 129
Processing Hist:
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 131.50 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 133.00 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 1.73/ 58 129
Processing Hist:
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 81 Top/Bottom Interval(mm) : 00/ 500 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 133.00 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 133.50 Age:
Sect: 5 Thickness of Layer(m) : 0.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 81 Top/Bottom Interval(mm) : 00/ 200 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 133.61 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 133.81 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 : FORAM NANNOFOSSIL OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 136.50 Age: UPPER MIOCENE
Core: 6 Depth Bottom of Layer(m): 138.00 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
========== ========= ======== ================ ============
81 4 15 1.66/ 62 128
Processing Hist: Classification was successful.
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 138.00 Age: UPPER MIOCENE
Core: 6 Depth Bottom of Layer(m): 139.50 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
========== ========= ======== ================ ============
85 5 10 1.74/ 57 129
Processing Hist: Classification was successful.
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 81 Top/Bottom Interval(mm) : 00/1150 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 139.50 Age: UPPER MIOCENE
Core: 6 Depth Bottom of Layer(m): 140.65 Age:
Sect: 3 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
========== ========= ======== ================ ============
86 4 11 1.75/ 56 67
Processing Hist: Classification was successful.
Shipboard Lith : FORAM NANNOFOSSIL OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 81 Top/Bottom Interval(mm) : 00/1000 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 141.00 Age: UPPER MIOCENE
Core: 6 Depth Bottom of Layer(m): 142.00 Age:
Sect: 4 Thickness of Layer(m) : 1.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
90 0 10 1.75/ 57 42
Processing Hist: Classification was successful.
Shipboard Lith : FORAM NANNOFOSSIL CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 81 Top/Bottom Interval(mm) : 00/ 200 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 142.10 Age: UPPER MIOCENE
Core: 6 Depth Bottom of Layer(m): 142.30 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : FORAM NANNOFOSSIL CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 146.00 Age: UPPER MIOCENE
Core: 7 Depth Bottom of Layer(m): 147.50 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
========== ========= ======== ================ ============
91 0 9 1.68/ 61 129
Processing Hist: Classification was successful.
Shipboard Lith : FORAM NANNOFOSSIL CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 147.50 Age: UPPER MIOCENE
Core: 7 Depth Bottom of Layer(m): 149.00 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 1.71/ 59 129
Processing Hist:
Shipboard Lith : FORAM NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 149.00 Age: UPPER MIOCENE
Core: 7 Depth Bottom of Layer(m): 150.50 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
========== ========= ======== ================ ============
91 0 9 1.77/ 55 121
Processing Hist: Classification was successful.
Shipboard Lith : FORAM NANNOFOSSIL CHALK
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL CHALK
Leg : 81 Top/Bottom Interval(mm) : 00/ 820 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 150.50 Age: UPPER MIOCENE
Core: 7 Depth Bottom of Layer(m): 151.32 Age:
Sect: 4 Thickness of Layer(m) : 0.82
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.65/ 63 12
Processing Hist:
Shipboard Lith : FORAM NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 81 Top/Bottom Interval(mm) : 00/ 200 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 151.43 Age: UPPER MIOCENE
Core: 7 Depth Bottom of Layer(m): 151.63 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 : FORAM NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 552 Depth Top of Layer(m) : 155.50 Age: UPPER MIOCENE
Core: 8 Depth Bottom of Layer(m): 157.00 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
========== ========= ======== ================ ============
80 0 20 1.60/ 65 127
Processing Hist: Classification was successful.
Shipboard Lith : GLAUCONITIC FORAM NANNOFOSSIL CHALK
Screen Lith : NANNOFOSSIL RICH FORAMINIFERA CHALK
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 552 Depth Top of Layer(m) : 157.00 Age: MIDDLE MIOCENE
Core: 8 Depth Bottom of Layer(m): 158.50 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
========== ========= ======== ================ ============
78 0 22 1.67/ 61 129
Processing Hist: Classification was successful.
Shipboard Lith : GLAUCONITIC FORAM NANNOFOSSIL CHALK
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL CHALK
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 552 Depth Top of Layer(m) : 158.50 Age: MIDDLE MIOCENE
Core: 8 Depth Bottom of Layer(m): 160.00 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 1.68/ 61 130
Processing Hist:
Shipboard Lith : GLAUCONITIC FORAM NANNOFOSSIL CHALK
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL CHALK
Leg : 81 Top/Bottom Interval(mm) : 00/ 840 Age: MIDDLE MIOCENE
Hole: 552 Depth Top of Layer(m) : 160.00 Age: MIDDLE MIOCENE
Core: 8 Depth Bottom of Layer(m): 160.84 Age:
Sect: 4 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
========== ========= ======== ================ ============
68 10 22 1.72/ 59 14
Processing Hist: Classification was successful.
Shipboard Lith : BIOSILICIOUS FORAM NANNOFOSSIL CHALK
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL CHALK
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: EOCENE
Hole: 552 Depth Top of Layer(m) : 165.00 Age: MIDDLE EOCENE
Core: 9 Depth Bottom of Layer(m): 166.50 Age: LOWER EOCENE
Sect: 1 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.27/ 85 114
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BIOSILICIOUS NANNOFOSSIL MARLSTONE
Screen Lith : BIOSILICIOUS NANNOFOSSIL MARLSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE EOCENE
Hole: 552 Depth Top of Layer(m) : 166.50 Age: MIDDLE EOCENE
Core: 9 Depth Bottom of Layer(m): 168.00 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 1.27/ 86 128
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BIOSILICIOUS NANNOFOSSIL MARLSTONE
Screen Lith : BIOSILICIOUS NANNOFOSSIL MARLSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE EOCENE
Hole: 552 Depth Top of Layer(m) : 168.00 Age: MIDDLE EOCENE
Core: 9 Depth Bottom of Layer(m): 169.50 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
========== ========= ======== ================ ============
15 32 53 1.34/ 81 129
Processing Hist: Classification was successful.
Shipboard Lith : BIOSILICIOUS NANNOFOSSIL MARLSTONE
Screen Lith : NANNOFOSSIL RICH SPICULE MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/1150 Age: MIDDLE EOCENE
Hole: 552 Depth Top of Layer(m) : 169.50 Age: MIDDLE EOCENE
Core: 9 Depth Bottom of Layer(m): 170.65 Age:
Sect: 4 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
========== ========= ======== ================ ============
24 0 0 1.41/ 77 67
Processing Hist:
Shipboard Lith : BIOSILICIOUS NANNOFOSSIL MARLSTONE
Screen Lith : NANNOFOSSIL RICH SPICULE MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/1120 Age: MIDDLE EOCENE
Hole: 552 Depth Top of Layer(m) : 171.00 Age: MIDDLE EOCENE
Core: 9 Depth Bottom of Layer(m): 172.12 Age:
Sect: 5 Thickness of Layer(m) : 1.12
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
6 0 0 1.51/ 71 64
Processing Hist:
Shipboard Lith : BIOSILICIOUS NANNOFOSSIL MARLSTONE
Screen Lith : NANNOFOSSIL RICH SPICULE MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/ 100 Age: MIDDLE EOCENE
Hole: 552 Depth Top of Layer(m) : 172.22 Age: MIDDLE EOCENE
Core: 9 Depth Bottom of Layer(m): 172.32 Age:
Sect: CC Thickness of Layer(m) : 0.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : NANNOFOSSIL MARLSTONE
Screen Lith : NANNOFOSSIL RICH SPICULE MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/ 50 Age: MIDDLE EOCENE
Hole: 552 Depth Top of Layer(m) : 174.50 Age: MIDDLE EOCENE
Core: 10 Depth Bottom of Layer(m): 174.55 Age:
Sect: 1 Thickness of Layer(m) : 0.05
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : CHERT
Screen Lith : NANNOFOSSIL RICH SPICULE MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/ 50 Age: EOCENE
Hole: 552 Depth Top of Layer(m) : 174.80 Age: MIDDLE EOCENE
Core: 10 Depth Bottom of Layer(m): 174.85 Age: LOWER EOCENE
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
========== ========= ======== ================ ============
2 0 0 /
Processing Hist:
Shipboard Lith : CHERT
Screen Lith : NANNOFOSSIL RICH SPICULE MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/ 450 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 193.50 Age: LOWER EOCENE
Core: 12 Depth Bottom of Layer(m): 193.95 Age:
Sect: 1 Thickness of Layer(m) : 0.45
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.83/ 52 38
Processing Hist:
Shipboard Lith : DRILLING BRECCIA
Screen Lith : NANNOFOSSIL RICH SPICULE MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 450/1500 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 193.95 Age: LOWER EOCENE
Core: 12 Depth Bottom of Layer(m): 195.00 Age:
Sect: 1 Thickness of Layer(m) : 1.05
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.57/ 67 92
Processing Hist:
Shipboard Lith : CALCAREOUS BIOSILICIOUS TUFF
Screen Lith : NANNOFOSSIL RICH SPICULE MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 195.00 Age: LOWER EOCENE
Core: 12 Depth Bottom of Layer(m): 196.50 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 1.65/ 63 129
Processing Hist:
Shipboard Lith : CALCAREOUS BIOSILICIOUS TUFF
Screen Lith : NANNOFOSSIL RICH SPICULE MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 196.50 Age: LOWER EOCENE
Core: 12 Depth Bottom of Layer(m): 198.00 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 1.55/ 69 130
Processing Hist:
Shipboard Lith : CALCAREOUS BIOSILICIOUS TUFF
Screen Lith : NANNOFOSSIL RICH SPICULE MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 198.00 Age: LOWER EOCENE
Core: 12 Depth Bottom of Layer(m): 199.50 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
========== ========= ======== ================ ============
11 40 49 1.51/ 71 130
Processing Hist: Classification was successful.
Shipboard Lith : CALCAREOUS BIOSILICIOUS TUFF
Screen Lith : NANNOFOSSIL RICH SPICULE MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/1200 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 199.50 Age: LOWER EOCENE
Core: 12 Depth Bottom of Layer(m): 200.70 Age:
Sect: 5 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
========== ========= ======== ================ ============
8 0 0 1.47/ 74 78
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : CALCAREOUS BIOSILICIOUS TUFF
Screen Lith : CALCAREOUS BIOSILICIOUS TUFF
Leg : 81 Top/Bottom Interval(mm) : 00/1430 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 201.00 Age: LOWER EOCENE
Core: 12 Depth Bottom of Layer(m): 202.43 Age:
Sect: 6 Thickness of Layer(m) : 1.43
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.56/ 68 118
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : CALCAREOUS BIOSILICIOUS TUFF
Screen Lith : CALCAREOUS BIOSILICIOUS TUFF
Leg : 81 Top/Bottom Interval(mm) : 00/ 500 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 202.50 Age: LOWER EOCENE
Core: 12 Depth Bottom of Layer(m): 203.00 Age:
Sect: 7 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 : CALCAREOUS BIOSILICIOUS TUFF
Screen Lith : CALCAREOUS BIOSILICIOUS TUFF
Leg : 81 Top/Bottom Interval(mm) : 00/ 200 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 203.11 Age: LOWER EOCENE
Core: 12 Depth Bottom of Layer(m): 203.31 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: Classification failed; no smear slide data exists.
Shipboard Lith : CALCAREOUS BIOSILICIOUS TUFF
Screen Lith : CALCAREOUS BIOSILICIOUS TUFF
Leg : 81 Top/Bottom Interval(mm) : 00/ 200 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 203.00 Age: LOWER EOCENE
Core: 13 Depth Bottom of Layer(m): 203.20 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 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : DRILLING BRECCIA
Screen Lith : DRILLING BRECCIA
Leg : 81 Top/Bottom Interval(mm) : 200/1470 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 203.20 Age: LOWER EOCENE
Core: 13 Depth Bottom of Layer(m): 204.47 Age:
Sect: 1 Thickness of Layer(m) : 1.27
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
12 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BIOSILICIOUS TUFFACEOUS MUDSTONE
Screen Lith : BIOSILICIOUS TUFFACEOUS MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 212.50 Age: LOWER EOCENE
Core: 14 Depth Bottom of Layer(m): 214.00 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 1.35/ 81 111
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BIOSILICIOUS VITRIC MUDSTONE
Screen Lith : BIOSILICIOUS VITRIC MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 214.00 Age: LOWER EOCENE
Core: 14 Depth Bottom of Layer(m): 215.50 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 1.34/ 81 115
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BIOSILICIOUS VITRIC MUDSTONE
Screen Lith : BIOSILICIOUS VITRIC MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 215.50 Age: LOWER EOCENE
Core: 14 Depth Bottom of Layer(m): 217.00 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 1.36/ 80 126
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BIOSILICIOUS VITRIC MUDSTONE
Screen Lith : BIOSILICIOUS VITRIC MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/ 400 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 217.00 Age: LOWER EOCENE
Core: 14 Depth Bottom of Layer(m): 217.40 Age:
Sect: 4 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
========== ========= ======== ================ ============
5 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BIOSILICIOUS VITRIC MUDSTONE
Screen Lith : BIOSILICIOUS VITRIC MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/ 200 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 217.52 Age: LOWER EOCENE
Core: 14 Depth Bottom of Layer(m): 217.72 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: Classification failed; no smear slide data exists.
Shipboard Lith : BIOSILICIOUS VITRIC MUDSTONE
Screen Lith : BIOSILICIOUS VITRIC MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/1300 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 222.00 Age: LOWER EOCENE
Core: 15 Depth Bottom of Layer(m): 223.30 Age:
Sect: 1 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
========== ========= ======== ================ ============
3 25 72 1.51/ 71 89
Processing Hist: Classification was successful.
Shipboard Lith : BIOSILICIOUS NANNOFOSSIL MARL
Screen Lith : SPICULE RICH NANNOFOSSIL RICH MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/ 100 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 223.40 Age: LOWER EOCENE
Core: 15 Depth Bottom of Layer(m): 223.50 Age:
Sect: CC Thickness of Layer(m) : 0.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BIOSILICIOUS NANNOFOSSIL MARL
Screen Lith : BIOSILICIOUS NANNOFOSSIL MARL
Leg : 81 Top/Bottom Interval(mm) : 00/ 850 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 231.50 Age: LOWER EOCENE
Core: 16 Depth Bottom of Layer(m): 232.35 Age:
Sect: 1 Thickness of Layer(m) : 0.85
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
9 0 0 1.33/ 82 13
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BIOSILICEOUS VOLCANIC TUFF
Screen Lith : BIOSILICEOUS VOLCANIC TUFF
Leg : 81 Top/Bottom Interval(mm) : 00/ 100 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 232.55 Age: LOWER EOCENE
Core: 16 Depth Bottom of Layer(m): 232.65 Age:
Sect: CC Thickness of Layer(m) : 0.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BIOSILICEOUS VOLCANIC TUFF
Screen Lith : BIOSILICEOUS VOLCANIC TUFF
Leg : 81 Top/Bottom Interval(mm) : 00/ 420 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 241.00 Age: LOWER EOCENE
Core: 17 Depth Bottom of Layer(m): 241.42 Age:
Sect: 1 Thickness of Layer(m) : 0.42
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
15 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : SILICIFIED TUFF
Screen Lith : SILICIFIED TUFF
Leg : 81 Top/Bottom Interval(mm) : 00/1000 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 250.50 Age: LOWER EOCENE
Core: 18 Depth Bottom of Layer(m): 251.50 Age:
Sect: 1 Thickness of Layer(m) : 1.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
37 0 0 1.51/ 71 39
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : GLAUCONITIC NANNOFOSSIL CHALK
Screen Lith : GLAUCONITIC NANNOFOSSIL CHALK
Leg : 81 Top/Bottom Interval(mm) : 1000/1500 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 251.50 Age: LOWER EOCENE
Core: 18 Depth Bottom of Layer(m): 252.00 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 1.41/ 77 29
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : SILICIFIED TUFFACEOUS MUDSTONE
Screen Lith : SILICIFIED TUFFACEOUS MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/ 550 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 252.00 Age: LOWER EOCENE
Core: 18 Depth Bottom of Layer(m): 252.55 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BIOSILICIOUS MARLSTONE
Screen Lith : BIOSILICIOUS MARLSTONE
Leg : 81 Top/Bottom Interval(mm) : 550/ 800 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 252.55 Age: LOWER EOCENE
Core: 18 Depth Bottom of Layer(m): 252.80 Age:
Sect: 2 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 1.52/ 70 1
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : SILICIFIED MUDSTONE
Screen Lith : SILICIFIED MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/ 100 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 260.10 Age: LOWER EOCENE
Core: 19 Depth Bottom of Layer(m): 260.20 Age:
Sect: CC Thickness of Layer(m) : 0.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : CALCAREOUS SILICIFIED MUDSTONE
Screen Lith : CALCAREOUS SILICIFIED MUDSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/1500 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 279.00 Age: LOWER EOCENE
Core: 21 Depth Bottom of Layer(m): 280.50 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
========== ========= ======== ================ ============
28 0 0 1.43/ 76 123
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : CALCAREOUS BIOSILICIOUS CLAYSTONE
Screen Lith : CALCAREOUS BIOSILICIOUS CLAYSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/1350 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 280.50 Age: LOWER EOCENE
Core: 21 Depth Bottom of Layer(m): 281.85 Age:
Sect: 2 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
========== ========= ======== ================ ============
19 0 0 1.53/ 70 103
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : CALCAREOUS BIOSILICIOUS CLAYSTONE
Screen Lith : CALCAREOUS BIOSILICIOUS CLAYSTONE
Leg : 81 Top/Bottom Interval(mm) : 00/ 860 Age: LOWER EOCENE
Hole: 552 Depth Top of Layer(m) : 282.00 Age: LOWER EOCENE
Core: 21 Depth Bottom of Layer(m): 282.86 Age:
Sect: 3 Thickness of Layer(m) : 0.86
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
3 0 0 1.49/ 72 19
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : CALCAREOUS DIATOMITE
Screen Lith : CALCAREOUS DIATOMITE
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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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