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Core Data from the Deep Sea Drilling Project
Leg : 23 Top/Bottom Interval(mm) : 400/1500 Age: UPPER PLEISTOCENE
Hole: 220 Depth Top of Layer(m) : 0.40 Age: UPPER PLEISTOCENE
Core: 1 Depth Bottom of Layer(m): 1.50 Age:
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
========== ========= ======== ================ ============
52 3 45 /
Processing Hist: Classification was successful.
Shipboard Lith : SPICULE CLAY FORAM BEARING NANNO OOZE
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: UPPER PLEISTOCENE
Hole: 220 Depth Top of Layer(m) : 1.50 Age: UPPER PLEISTOCENE
Core: 1 Depth Bottom of Layer(m): 3.00 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
========== ========= ======== ================ ============
67 3 31 1.26/ 86 146
Processing Hist: Classification was successful.
Shipboard Lith : CLAY SPONGE BEARING FORAM NANNO OOZE
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: UPPER PLEISTOCENE
Hole: 220 Depth Top of Layer(m) : 3.00 Age: UPPER PLEISTOCENE
Core: 1 Depth Bottom of Layer(m): 4.50 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
========== ========= ======== ================ ============
55 8 37 /
Processing Hist: Classification was successful.
Shipboard Lith : FORAM RICH NANNO OOZE
Screen Lith : FORAMINIFERA RICH MARLY NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: UPPER PLEISTOCENE
Hole: 220 Depth Top of Layer(m) : 4.50 Age: UPPER PLEISTOCENE
Core: 1 Depth Bottom of Layer(m): 6.00 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
========== ========= ======== ================ ============
80 5 15 1.33/ 82 145
Processing Hist: Classification was successful.
Shipboard Lith : SPICULE BEARING FORAM RICH NANNO OOZE
Screen Lith : CLAY MINERAL RICH FORAMINIFERA RICH NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 100/1500 Age: LOWER PLEISTOCENE
Hole: 220 Depth Top of Layer(m) : 6.10 Age: LOWER PLEISTOCENE
Core: 1 Depth Bottom of Layer(m): 7.50 Age:
Sect: 5 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
========== ========= ======== ================ ============
80 5 15 /
Processing Hist: Classification was successful.
Shipboard Lith : DETRITAL CLAY GLASS SPICULE BEARING FORAM RICH NANNO OOZE
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/1380 Age: LOWER PLEISTOCENE
Hole: 220 Depth Top of Layer(m) : 7.50 Age: LOWER PLEISTOCENE
Core: 1 Depth Bottom of Layer(m): 8.88 Age:
Sect: 6 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
========== ========= ======== ================ ============
90 2 9 1.32/ 82 128
Processing Hist: Classification was successful.
Shipboard Lith : DETRITAL CLAY GLASS SPICULE FORAM BEARING NANNO OOZE
Screen Lith : NANNOFOSSIL RICH FORAMINIFERA OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PLEISTOCENE
Hole: 220 Depth Top of Layer(m) : 10.50 Age: LOWER PLEISTOCENE
Core: 2 Depth Bottom of Layer(m): 12.00 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
========== ========= ======== ================ ============
75 0 25 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAY VOLCANIC GLASS FORAM BEARING DETRITAL RICH NANNO OOZE
Screen Lith : TERRIGENOUS DETRITUS RICH NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PLEISTOCENE
Hole: 220 Depth Top of Layer(m) : 12.00 Age: LOWER PLEISTOCENE
Core: 2 Depth Bottom of Layer(m): 13.50 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
========== ========= ======== ================ ============
80 5 15 /
Processing Hist: Classification was successful.
Shipboard Lith : GLASS SILICOFLAG FORAM BEARING DETRITAL RICH NANNO OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 570/1500 Age: LOWER PLIOCENE
Hole: 220 Depth Top of Layer(m) : 27.57 Age: LOWER PLIOCENE
Core: 4 Depth Bottom of Layer(m): 28.50 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
========== ========= ======== ================ ============
34 0 0 /
Processing Hist:
Shipboard Lith : NANNO OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PLIOCENE
Hole: 220 Depth Top of Layer(m) : 28.50 Age: LOWER PLIOCENE
Core: 4 Depth Bottom of Layer(m): 30.00 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
========== ========= ======== ================ ============
90 0 10 1.51/ 71 146
Processing Hist: Classification was successful.
Shipboard Lith : DETRITAL GLASS BEARING NANNO OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PLIOCENE
Hole: 220 Depth Top of Layer(m) : 30.00 Age: LOWER PLIOCENE
Core: 4 Depth Bottom of Layer(m): 31.50 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 /
Processing Hist:
Shipboard Lith : NANNO OOZE
Screen Lith : CALCAREOUS OOZE.
Leg : 23 Top/Bottom Interval(mm) : 100/1500 Age: UPPER MIOCENE
Hole: 220 Depth Top of Layer(m) : 31.60 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 33.00 Age:
Sect: 4 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
========== ========= ======== ================ ============
98 0 3 /
Processing Hist: Classification was successful.
Shipboard Lith : DETRITAL FORAM BEARING NANNO OOZE
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/1440 Age: UPPER MIOCENE
Hole: 220 Depth Top of Layer(m) : 33.00 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 34.44 Age:
Sect: 5 Thickness of Layer(m) : 1.44
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
90 0 10 1.58/ 67 140
Processing Hist: Classification was successful.
Shipboard Lith : CLAY BEARING NANNO OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 1080/1500 Age: MIDDLE MIOCENE
Hole: 220 Depth Top of Layer(m) : 37.08 Age: MIDDLE MIOCENE
Core: 5 Depth Bottom of Layer(m): 37.50 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
========== ========= ======== ================ ============
89 0 11 /
Processing Hist: Classification was successful.
Shipboard Lith : DETRITAL CLAY MICA BEARING NANNO OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 220 Depth Top of Layer(m) : 37.50 Age: MIDDLE MIOCENE
Core: 5 Depth Bottom of Layer(m): 39.00 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
========== ========= ======== ================ ============
66 0 0 1.58/ 67 146
Processing Hist:
Shipboard Lith : NANNO OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/ 400 Age: MIDDLE MIOCENE
Hole: 220 Depth Top of Layer(m) : 39.00 Age: MIDDLE MIOCENE
Core: 5 Depth Bottom of Layer(m): 39.40 Age:
Sect: 3 Thickness of Layer(m) : 0.40
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
85 0 15 1.56/ 68 39
Processing Hist: Classification was successful.
Shipboard Lith : DETRITAL CLAY BEARING NANNO OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 400/1050 Age: MIDDLE MIOCENE
Hole: 220 Depth Top of Layer(m) : 39.40 Age: MIDDLE MIOCENE
Core: 5 Depth Bottom of Layer(m): 40.05 Age:
Sect: 3 Thickness of Layer(m) : 0.65
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
90 0 10 1.60/ 66 63
Processing Hist: Classification was successful.
Shipboard Lith : FORAM CLAY BEARING NANNO OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 1050/1450 Age: MIDDLE MIOCENE
Hole: 220 Depth Top of Layer(m) : 40.05 Age: MIDDLE MIOCENE
Core: 5 Depth Bottom of Layer(m): 40.45 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 10 1.54/ 69 39
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SAND
Screen Lith : SAND
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 220 Depth Top of Layer(m) : 40.50 Age: MIDDLE MIOCENE
Core: 5 Depth Bottom of Layer(m): 42.00 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
========== ========= ======== ================ ============
50 35 10 1.57/ 68 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNO OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 220 Depth Top of Layer(m) : 42.00 Age: MIDDLE MIOCENE
Core: 5 Depth Bottom of Layer(m): 43.50 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
========== ========= ======== ================ ============
80 3 17 1.54/ 69 146
Processing Hist: Classification was successful.
Shipboard Lith : CLAY DETRITAL RICH NANNO OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: UPPER OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 93.40 Age: UPPER OLIGOCENE
Core: 6 Depth Bottom of Layer(m): 94.90 Age:
Sect: 1 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
91 0 9 /
Processing Hist: Classification was successful.
Shipboard Lith : FORAM ZEOLITIC RICH NANNO OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: UPPER OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 94.90 Age: UPPER OLIGOCENE
Core: 6 Depth Bottom of Layer(m): 96.40 Age:
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : NANNO OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: UPPER OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 96.40 Age: UPPER OLIGOCENE
Core: 6 Depth Bottom of Layer(m): 97.90 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
90 5 5 1.67/ 62 146
Processing Hist: Classification was successful.
Shipboard Lith : SPICULE FORAM ZEOLITE BEARING NANNO OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: UPPER OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 97.90 Age: UPPER OLIGOCENE
Core: 6 Depth Bottom of Layer(m): 99.40 Age:
Sect: 4 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
90 10 0 1.66/ 62 146
Processing Hist: Classification was successful.
Shipboard Lith : RAD FORAM SPICULE BEARING NANNO OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 100/1500 Age: UPPER OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 99.50 Age: UPPER OLIGOCENE
Core: 6 Depth Bottom of Layer(m): 100.90 Age:
Sect: 5 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
========== ========= ======== ================ ============
80 5 15 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAY SPICULE BEARING ZEOLITE RICH NANNO OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: UPPER OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 100.90 Age: UPPER OLIGOCENE
Core: 6 Depth Bottom of Layer(m): 102.40 Age:
Sect: 6 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.64/ 63 146
Processing Hist:
Shipboard Lith : NANNO OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: UPPER OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 102.30 Age: UPPER OLIGOCENE
Core: 7 Depth Bottom of Layer(m): 103.80 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 1.63/ 64 146
Processing Hist: Classification was successful.
Shipboard Lith : ARAGONITE BEARING NANNO OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: UPPER OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 103.80 Age: UPPER OLIGOCENE
Core: 7 Depth Bottom of Layer(m): 105.30 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
========== ========= ======== ================ ============
100 0 0 1.61/ 65 146
Processing Hist: Classification was successful.
Shipboard Lith : FORAM BEARING NANNO OOZE
Screen Lith : NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: UPPER OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 105.30 Age: UPPER OLIGOCENE
Core: 7 Depth Bottom of Layer(m): 106.80 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
========== ========= ======== ================ ============
97 3 0 1.65/ 63 146
Processing Hist: Classification was successful.
Shipboard Lith : FORAM BEARING NANNO OOZE
Screen Lith : NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: UPPER OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 106.80 Age: UPPER OLIGOCENE
Core: 7 Depth Bottom of Layer(m): 108.30 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 1.63/ 64 146
Processing Hist:
Shipboard Lith : FORAM BEARING NANNO OOZE
Screen Lith : NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: UPPER OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 108.30 Age: UPPER OLIGOCENE
Core: 7 Depth Bottom of Layer(m): 109.80 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 1.64/ 64 146
Processing Hist:
Shipboard Lith : FORAM BEARING NANNO OOZE
Screen Lith : NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: UPPER OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 109.80 Age: UPPER OLIGOCENE
Core: 7 Depth Bottom of Layer(m): 111.30 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
========== ========= ======== ================ ============
100 0 0 1.65/ 63 146
Processing Hist: Classification was successful.
Shipboard Lith : FORAM BEARING NANNO OOZE
Screen Lith : NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 1150/1500 Age: UPPER OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 112.15 Age: UPPER OLIGOCENE
Core: 8 Depth Bottom of Layer(m): 112.50 Age:
Sect: 1 Thickness of Layer(m) : 0.35
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : FORAM BEARING NANNO OOZE
Screen Lith : NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: UPPER OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 112.50 Age: UPPER OLIGOCENE
Core: 8 Depth Bottom of Layer(m): 114.00 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 1.57/ 67 146
Processing Hist:
Shipboard Lith : SPICULE FORAM BEARING NANNO OOZE
Screen Lith : NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 60/1500 Age: UPPER OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 114.06 Age: UPPER OLIGOCENE
Core: 8 Depth Bottom of Layer(m): 115.50 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
========== ========= ======== ================ ============
91 5 4 1.64/ 64 141
Processing Hist: Classification was successful.
Shipboard Lith : SPICULE FORAM BEARING NANNO OOZE
Screen Lith : NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/ 910 Age: UPPER OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 115.50 Age: UPPER OLIGOCENE
Core: 8 Depth Bottom of Layer(m): 116.41 Age:
Sect: 4 Thickness of Layer(m) : 0.91
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.66/ 62 88
Processing Hist:
Shipboard Lith : SPICULE FORAM BEARING NANNO OOZE
Screen Lith : CHALK.
Leg : 23 Top/Bottom Interval(mm) : 910/1500 Age: UPPER OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 116.41 Age: UPPER OLIGOCENE
Core: 8 Depth Bottom of Layer(m): 117.00 Age:
Sect: 4 Thickness of Layer(m) : 0.59
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
75 0 25 1.65/ 63 58
Processing Hist: Classification was successful.
Shipboard Lith : FORAM BEARING VOLCANIC GLASS RICH NANNO OOZE
Screen Lith : GLASS RICH NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: UPPER OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 117.00 Age: UPPER OLIGOCENE
Core: 8 Depth Bottom of Layer(m): 118.50 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
========== ========= ======== ================ ============
95 5 0 1.66/ 62 146
Processing Hist: Classification was successful.
Shipboard Lith : SPICULE BEARING FORAM NANNO OOZE
Screen Lith : NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 150.00 Age: MIDDLE OLIGOCENE
Core: 9 Depth Bottom of Layer(m): 151.50 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
========== ========= ======== ================ ============
95 5 0 1.58/ 67 101
Processing Hist: Classification was successful.
Shipboard Lith : SPICULE BEARING FORAM NANNO OOZE
Screen Lith : NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 151.50 Age: MIDDLE OLIGOCENE
Core: 9 Depth Bottom of Layer(m): 153.00 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
========== ========= ======== ================ ============
90 5 5 1.67/ 62 146
Processing Hist: Classification was successful.
Shipboard Lith : SPICULE BEARING FORAM NANNO OOZE
Screen Lith : NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1410 Age: MIDDLE OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 153.00 Age: MIDDLE OLIGOCENE
Core: 9 Depth Bottom of Layer(m): 154.41 Age:
Sect: 3 Thickness of Layer(m) : 1.41
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.69/ 60 122
Processing Hist:
Shipboard Lith : SPICULE BEARING FORAM NANNO OOZE
Screen Lith : CHALK.
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 154.50 Age: MIDDLE OLIGOCENE
Core: 9 Depth Bottom of Layer(m): 156.00 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 1.68/ 61 146
Processing Hist:
Shipboard Lith : SPICULE BEARING NANNO OOZE
Screen Lith : CHALK.
Leg : 23 Top/Bottom Interval(mm) : 330/1500 Age: MIDDLE OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 159.33 Age: MIDDLE OLIGOCENE
Core: 10 Depth Bottom of Layer(m): 160.50 Age:
Sect: 1 Thickness of Layer(m) : 1.17
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.55/ 69 114
Processing Hist:
Shipboard Lith : SPICULE FORAM RAD BEARING NANNO CHALK
Screen Lith : CHALK.
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE OLIGOCENE
Hole: 220 Depth Top of Layer(m) : 160.50 Age: MIDDLE OLIGOCENE
Core: 10 Depth Bottom of Layer(m): 162.00 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
========== ========= ======== ================ ============
88 13 0 1.62/ 64 144
Processing Hist: Classification was successful.
Shipboard Lith : RAD BEARING NANNO CHALK
Screen Lith : RADIOLARIA RICH NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/ 510 Age: UPPER EOCENE
Hole: 220 Depth Top of Layer(m) : 198.00 Age: UPPER EOCENE
Core: 11 Depth Bottom of Layer(m): 198.51 Age:
Sect: 1 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
========== ========= ======== ================ ============
87 10 3 1.37/ 79 24
Processing Hist: Classification was successful.
Shipboard Lith : FORAM SPIC RAD BEARING GLASS RICH NANNO CHALK
Screen Lith : GLASS RICH NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 510/1500 Age: UPPER EOCENE
Hole: 220 Depth Top of Layer(m) : 198.51 Age: UPPER EOCENE
Core: 11 Depth Bottom of Layer(m): 199.50 Age:
Sect: 1 Thickness of Layer(m) : 0.99
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
87 10 3 1.63/ 64 92
Processing Hist: Classification was successful.
Shipboard Lith : SPICULE RAD BEARING NANNO CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 490/ 570 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 232.49 Age: MIDDLE EOCENE
Core: 12 Depth Bottom of Layer(m): 232.57 Age:
Sect: 1 Thickness of Layer(m) : 0.08
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.58/ 67 6
Processing Hist:
Shipboard Lith : SPICULE RAD BEARING NANNO CHALK
Screen Lith : CHALK.
Leg : 23 Top/Bottom Interval(mm) : 570/1500 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 232.57 Age: MIDDLE EOCENE
Core: 12 Depth Bottom of Layer(m): 233.50 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
========== ========= ======== ================ ============
70 30 0 1.46/ 74 84
Processing Hist: Classification was successful.
Shipboard Lith : SPICULE RAD RICH NANNO CHALK
Screen Lith : RADIOLARIA RICH NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 233.50 Age: MIDDLE EOCENE
Core: 12 Depth Bottom of Layer(m): 235.00 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
========== ========= ======== ================ ============
50 35 0 1.48/ 73 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SPICULE RAD RICH NANNO CHALK
Screen Lith : RADIOLARIA RICH NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 235.00 Age: MIDDLE EOCENE
Core: 12 Depth Bottom of Layer(m): 236.50 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
========== ========= ======== ================ ============
40 60 0 1.52/ 71 146
Processing Hist: Classification was successful.
Shipboard Lith : SPICULE RAD NANNO CHALK
Screen Lith : SPICULE RICH RADIOLARIA RICH SILICEOUS OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 236.50 Age: MIDDLE EOCENE
Core: 12 Depth Bottom of Layer(m): 238.00 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
========== ========= ======== ================ ============
45 55 0 1.52/ 70 146
Processing Hist: Classification was successful.
Shipboard Lith : SPICULE RAD NANNO OOZE
Screen Lith : NANNOFOSSIL RICH SPICULE RICH RADIOLARIA OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/ 800 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 238.00 Age: MIDDLE EOCENE
Core: 12 Depth Bottom of Layer(m): 238.80 Age:
Sect: 5 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
========== ========= ======== ================ ============
50 35 0 1.55/ 69 78
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SPICULE RAD NANNO OOZE
Screen Lith : RADIOLARIA RICH NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 800/1500 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 238.80 Age: MIDDLE EOCENE
Core: 12 Depth Bottom of Layer(m): 239.50 Age:
Sect: 5 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
========== ========= ======== ================ ============
50 35 0 1.52/ 70 68
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SPICULE RAD NANNO CHALK
Screen Lith : RADIOLARIA RICH NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 400/1500 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 241.40 Age: MIDDLE EOCENE
Core: 13 Depth Bottom of Layer(m): 242.50 Age:
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
========== ========= ======== ================ ============
69 10 21 1.43/ 76 94
Processing Hist: Classification was successful.
Shipboard Lith : SPICULE RAD BEARING NANNO OOZE
Screen Lith : NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 242.50 Age: MIDDLE EOCENE
Core: 13 Depth Bottom of Layer(m): 244.00 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
========== ========= ======== ================ ============
90 10 0 1.33/ 82 110
Processing Hist: Classification was successful.
Shipboard Lith : SPICULE RAD BEARING NANNO OOZE
Screen Lith : NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 244.00 Age: MIDDLE EOCENE
Core: 13 Depth Bottom of Layer(m): 245.50 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 1.37/ 79 136
Processing Hist:
Shipboard Lith : NANNO OOZE
Screen Lith : NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 245.50 Age: MIDDLE EOCENE
Core: 13 Depth Bottom of Layer(m): 247.00 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
========== ========= ======== ================ ============
85 15 0 1.56/ 68 146
Processing Hist: Classification was successful.
Shipboard Lith : RAD BEARING SPICULE RICH NANNO OOZE
Screen Lith : NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 250.00 Age: MIDDLE EOCENE
Core: 14 Depth Bottom of Layer(m): 251.50 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
========== ========= ======== ================ ============
69 15 16 1.45/ 75 145
Processing Hist: Classification was successful.
Shipboard Lith : RAD BEARING SPICULE RICH NANNO OOZE CHALK
Screen Lith : INDURATED NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 251.50 Age: MIDDLE EOCENE
Core: 14 Depth Bottom of Layer(m): 253.00 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
========== ========= ======== ================ ============
71 10 19 1.33/ 82 143
Processing Hist: Classification was successful.
Shipboard Lith : RAD BEARING SPICULE RICH NANNO OOZE CHALK
Screen Lith : OPAQUE MINERAL RICH NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1250 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 253.00 Age: MIDDLE EOCENE
Core: 14 Depth Bottom of Layer(m): 254.25 Age:
Sect: 3 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
========== ========= ======== ================ ============
78 20 3 1.49/ 72 119
Processing Hist: Classification was successful.
Shipboard Lith : RAD FORAM SPICULE BEARING NANNO OOZE CHALK
Screen Lith : NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 1250/1500 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 254.25 Age: MIDDLE EOCENE
Core: 14 Depth Bottom of Layer(m): 254.50 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
========== ========= ======== ================ ============
0 0 0 1.57/ 67 24
Processing Hist:
Shipboard Lith : GLASS BEARING SPICULE RAD RICH NANNO CHALK
Screen Lith : NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 850/1500 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 259.85 Age: MIDDLE EOCENE
Core: 15 Depth Bottom of Layer(m): 260.50 Age:
Sect: 1 Thickness of Layer(m) : 0.65
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
82 15 3 /
Processing Hist: Classification was successful.
Shipboard Lith : RAD FORAM BEARING SPICULE RICH NANNO OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 00/ 830 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 260.50 Age: MIDDLE EOCENE
Core: 15 Depth Bottom of Layer(m): 261.33 Age:
Sect: 2 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 1.45/ 75 80
Processing Hist:
Shipboard Lith : NANNO OOZE
Screen Lith : CALCAREOUS OOZE.
Leg : 23 Top/Bottom Interval(mm) : 830/1500 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 261.33 Age: MIDDLE EOCENE
Core: 15 Depth Bottom of Layer(m): 262.00 Age:
Sect: 2 Thickness of Layer(m) : 0.67
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
68 30 2 1.56/ 68 65
Processing Hist: Classification was successful.
Shipboard Lith : CHALK
Screen Lith : RADIOLARIA RICH FORAMINIFERA RICH NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 262.00 Age: MIDDLE EOCENE
Core: 15 Depth Bottom of Layer(m): 263.50 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
========== ========= ======== ================ ============
60 35 5 1.55/ 68 146
Processing Hist: Classification was successful.
Shipboard Lith : CHALK
Screen Lith : RADIOLARIA RICH NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 263.50 Age: MIDDLE EOCENE
Core: 15 Depth Bottom of Layer(m): 265.00 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 1.59/ 66 146
Processing Hist:
Shipboard Lith : NANNO OOZE
Screen Lith : CALCAREOUS OOZE.
Leg : 23 Top/Bottom Interval(mm) : 100/1500 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 265.10 Age: MIDDLE EOCENE
Core: 15 Depth Bottom of Layer(m): 266.50 Age:
Sect: 5 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
========== ========= ======== ================ ============
68 26 7 /
Processing Hist: Classification was successful.
Shipboard Lith : CHALK AND OOZE
Screen Lith : SPICULE RICH INDURATED NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE EOCENE
Hole: 220 Depth Top of Layer(m) : 266.50 Age: MIDDLE EOCENE
Core: 15 Depth Bottom of Layer(m): 268.00 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
========== ========= ======== ================ ============
70 25 5 1.57/ 68 146
Processing Hist: Classification was successful.
Shipboard Lith : NANNO CHALK AND OOZE
Screen Lith : SPICULE RICH NANNOFOSSIL OOZE
Leg : 23 Top/Bottom Interval(mm) : 740/1500 Age: LOWER EOCENE
Hole: 220 Depth Top of Layer(m) : 288.74 Age: LOWER EOCENE
Core: 16 Depth Bottom of Layer(m): 289.50 Age:
Sect: 1 Thickness of Layer(m) : 0.76
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
83 25 0 /
Processing Hist: Classification was successful.
Shipboard Lith : NANNO CHALK
Screen Lith : SPICULE RICH INDURATED NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1000 Age: LOWER EOCENE
Hole: 220 Depth Top of Layer(m) : 289.50 Age: LOWER EOCENE
Core: 16 Depth Bottom of Layer(m): 290.50 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
========== ========= ======== ================ ============
68 35 0 1.53/ 70 97
Processing Hist: Classification was successful.
Shipboard Lith : SPICULE RAD RICH NANNO CHALK
Screen Lith : RADIOLARIA RICH NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 1000/1150 Age: LOWER EOCENE
Hole: 220 Depth Top of Layer(m) : 290.50 Age: LOWER EOCENE
Core: 16 Depth Bottom of Layer(m): 290.65 Age:
Sect: 2 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
========== ========= ======== ================ ============
35 50 0 1.85/ 51 15
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERT
Screen Lith : CHERT
Leg : 23 Top/Bottom Interval(mm) : 1170/1500 Age: LOWER EOCENE
Hole: 220 Depth Top of Layer(m) : 290.67 Age: LOWER EOCENE
Core: 16 Depth Bottom of Layer(m): 291.00 Age:
Sect: 2 Thickness of Layer(m) : 0.33
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
35 50 0 1.80/ 54 32
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILICIFIED CHALK AND CHERT
Screen Lith : CHERT
Leg : 23 Top/Bottom Interval(mm) : 150/1500 Age: LOWER EOCENE
Hole: 220 Depth Top of Layer(m) : 297.15 Age: LOWER EOCENE
Core: 17 Depth Bottom of Layer(m): 298.50 Age:
Sect: 1 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
========== ========= ======== ================ ============
82 5 13 1.60/ 66 116
Processing Hist: Classification was successful.
Shipboard Lith : SILICIFIED NANNO CHALK AND CHERT
Screen Lith : NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 1180/1500 Age: LOWER EOCENE
Hole: 220 Depth Top of Layer(m) : 327.18 Age: LOWER EOCENE
Core: 18 Depth Bottom of Layer(m): 327.50 Age:
Sect: 1 Thickness of Layer(m) : 0.32
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
95 0 5 /
Processing Hist: Classification was successful.
Shipboard Lith : NANNO CHALK
Screen Lith : CARBONATE RICH NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 50/1490 Age: LOWER EOCENE
Hole: 220 Depth Top of Layer(m) : 327.55 Age: LOWER EOCENE
Core: 18 Depth Bottom of Layer(m): 328.99 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
========== ========= ======== ================ ============
95 0 5 1.74/ 57 117
Processing Hist: Classification was successful.
Shipboard Lith : NANNO CHALK AND CHERT
Screen Lith : INDURATED NANNOFOSSIL CHALK
Leg : 23 Top/Bottom Interval(mm) : 00/1460 Age: LOWER EOCENE
Hole: 220 Depth Top of Layer(m) : 329.00 Age: LOWER EOCENE
Core: 18 Depth Bottom of Layer(m): 330.46 Age:
Sect: 3 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
========== ========= ======== ================ ============
64 0 36 1.85/ 51 142
Processing Hist: Classification was successful.
Shipboard Lith : GLASS FORAM BEARING CARBONATE RICH NANNO CHALK
Screen Lith : CARBONATE RICH NANNOFOSSIL LIMESTONE
Leg : 23 Top/Bottom Interval(mm) : 1460/1500 Age:
Hole: 220 Depth Top of Layer(m) : 330.46 Age:
Core: 18 Depth Bottom of Layer(m): 330.50 Age:
Sect: 3 Thickness of Layer(m) : 0.04
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 4
Processing Hist:
Shipboard Lith : BASALT
Screen Lith : CALCAREOUS SEDIMENT.
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 220 Depth Top of Layer(m) : 330.50 Age:
Core: 18 Depth Bottom of Layer(m): 332.00 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 2.17/ 31 142
Processing Hist:
Shipboard Lith : BASALT
Screen Lith : CALCAREOUS SEDIMENT.
Leg : 23 Top/Bottom Interval(mm) : / Age:
Hole: 220 Depth Top of Layer(m) : 332.10 Age:
Core: 18 Depth Bottom of Layer(m): 332.10 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 : BASALT
Screen Lith : CALCAREOUS SEDIMENT.
Leg : 23 Top/Bottom Interval(mm) : 500/1500 Age:
Hole: 220 Depth Top of Layer(m) : 330.50 Age:
Core: 19 Depth Bottom of Layer(m): 331.50 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : BASALT
Screen Lith : CALCAREOUS SEDIMENT.
Leg : 23 Top/Bottom Interval(mm) : 00/1470 Age:
Hole: 220 Depth Top of Layer(m) : 331.50 Age:
Core: 19 Depth Bottom of Layer(m): 332.97 Age:
Sect: 2 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
========== ========= ======== ================ ============
88 0 13 /
Processing Hist: Classification was successful.
Shipboard Lith : BASALT
Screen Lith : MICA RICH NANNOFOSSIL RICH CARBONATE RICH INDURATED CHALK
Leg : 23 Top/Bottom Interval(mm) : 900/1500 Age:
Hole: 220 Depth Top of Layer(m) : 335.90 Age:
Core: 20 Depth Bottom of Layer(m): 336.50 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
========== ========= ======== ================ ============
100 0 0 /
Processing Hist: Classification was successful.
Shipboard Lith : BASALT
Screen Lith : INDURATED CARBONATE CHALK
Leg : 23 Top/Bottom Interval(mm) : 120/1500 Age:
Hole: 220 Depth Top of Layer(m) : 344.12 Age:
Core: 21 Depth Bottom of Layer(m): 345.50 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
Leg : 23 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 220 Depth Top of Layer(m) : 345.50 Age:
Core: 21 Depth Bottom of Layer(m): 347.00 Age:
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : FRACTURED BASALT
Screen Lith : FRACTURED BASALT
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Cite as: Deep Sea Drilling Project (1989): Archive of Core and Site/Hole Data and Photographs from the Deep Sea Drilling Project (DSDP). National Geophysical Data Center, NOAA. doi:10.7289/V54M92G2 [access date]
Please see NOAA's privacy and disclaimer information. Send questions or comments to mgg.info@noaa.gov.
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