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Core Data from the Deep Sea Drilling Project
Leg : 4 Top/Bottom Interval(mm) : 00/1500 Age: CENOZOIC
Hole: 27 Depth Top of Layer(m) : 84.00 Age: CENOZOIC
Core: 1 Depth Bottom of Layer(m): 85.50 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
========== ========= ======== ================ ============
1 0 99 1.59/ 66 137
Processing Hist: Classification was successful.
Shipboard Lith : SLIGHTLY SILTY CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 00/ 180 Age: CENOZOIC
Hole: 27 Depth Top of Layer(m) : 85.50 Age: CENOZOIC
Core: 1 Depth Bottom of Layer(m): 85.68 Age:
Sect: 2 Thickness of Layer(m) : 0.18
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 300/ 650 Age: CENOZOIC
Hole: 27 Depth Top of Layer(m) : 85.80 Age: CENOZOIC
Core: 1 Depth Bottom of Layer(m): 86.15 Age:
Sect: 2 Thickness of Layer(m) : 0.35
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 0 98 1.44/ 75 9
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 770/1250 Age: CENOZOIC
Hole: 27 Depth Top of Layer(m) : 86.27 Age: CENOZOIC
Core: 1 Depth Bottom of Layer(m): 86.75 Age:
Sect: 2 Thickness of Layer(m) : 0.48
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.42/ 77 52
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 0/ 0 Age: CENOZOIC
Hole: 27 Depth Top of Layer(m) : 87.00 Age: CENOZOIC
Core: 1 Depth Bottom of Layer(m): 87.00 Age:
Sect: 3 Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : ****** NO LITH GIVEN ***
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 0/ 0 Age: CENOZOIC
Hole: 27 Depth Top of Layer(m) : 88.50 Age: CENOZOIC
Core: 1 Depth Bottom of Layer(m): 88.50 Age:
Sect: 4 Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : ****** NO LITH GIVEN ***
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 0/ 0 Age: CENOZOIC
Hole: 27 Depth Top of Layer(m) : 90.00 Age: CENOZOIC
Core: 1 Depth Bottom of Layer(m): 90.00 Age:
Sect: 5 Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : ****** NO LITH GIVEN ***
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 00/1500 Age: CENOZOIC
Hole: 27 Depth Top of Layer(m) : 91.50 Age: CENOZOIC
Core: 1 Depth Bottom of Layer(m): 93.00 Age:
Sect: 6 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
1 0 99 1.29/ 84 135
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 650/1500 Age: CENOZOIC
Hole: 27 Depth Top of Layer(m) : 141.65 Age: CENOZOIC
Core: 2 Depth Bottom of Layer(m): 142.50 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
========== ========= ======== ================ ============
4 3 94 1.56/ 68 86
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 00/1500 Age: CENOZOIC
Hole: 27 Depth Top of Layer(m) : 142.50 Age: CENOZOIC
Core: 2 Depth Bottom of Layer(m): 144.00 Age:
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.65/ 63 157
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 00/1400 Age: CENOZOIC
Hole: 27 Depth Top of Layer(m) : 144.00 Age: CENOZOIC
Core: 2 Depth Bottom of Layer(m): 145.40 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
========== ========= ======== ================ ============
0 1 99 1.68/ 61 141
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 00/1500 Age: CENOZOIC
Hole: 27 Depth Top of Layer(m) : 235.00 Age: CENOZOIC
Core: 3 Depth Bottom of Layer(m): 236.50 Age:
Sect: 1 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 0 98 1.74/ 57 157
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 4 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 27 Depth Top of Layer(m) : 236.50 Age: LOWER MIOCENE
Core: 3 Depth Bottom of Layer(m): 238.00 Age:
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
1 0 99 1.80/ 54 157
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : NANNOFOSSIL RICH CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 00/ 50 Age: LOWER MIOCENE
Hole: 27 Depth Top of Layer(m) : 244.00 Age: LOWER MIOCENE
Core: 4 Depth Bottom of Layer(m): 244.05 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 : SLIGHTLY SILTY CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 4 Top/Bottom Interval(mm) : 250/ 600 Age: LOWER MIOCENE
Hole: 27 Depth Top of Layer(m) : 244.25 Age: LOWER MIOCENE
Core: 4 Depth Bottom of Layer(m): 244.60 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 0 100 1.81/ 53 35
Processing Hist: Classification was successful.
Shipboard Lith : SLIGHTLY SILTY CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 640/1500 Age: LOWER MIOCENE
Hole: 27 Depth Top of Layer(m) : 244.64 Age: LOWER MIOCENE
Core: 4 Depth Bottom of Layer(m): 245.50 Age:
Sect: 1 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
========== ========= ======== ================ ============
0 0 100 1.81/ 53 90
Processing Hist: Classification was successful.
Shipboard Lith : SLIGHTLY SILTY CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 00/ 70 Age: LOWER MIOCENE
Hole: 27 Depth Top of Layer(m) : 245.50 Age: LOWER MIOCENE
Core: 4 Depth Bottom of Layer(m): 245.57 Age:
Sect: 2 Thickness of Layer(m) : 0.07
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.72/ 58 3
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 120/ 980 Age: LOWER MIOCENE
Hole: 27 Depth Top of Layer(m) : 245.62 Age: LOWER MIOCENE
Core: 4 Depth Bottom of Layer(m): 246.48 Age:
Sect: 2 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
========== ========= ======== ================ ============
0 0 100 1.81/ 53 89
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 1030/1500 Age: LOWER MIOCENE
Hole: 27 Depth Top of Layer(m) : 246.53 Age: LOWER MIOCENE
Core: 4 Depth Bottom of Layer(m): 247.00 Age:
Sect: 2 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 2 98 1.50/ 72 48
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MIOCENE
Hole: 27 Depth Top of Layer(m) : 247.00 Age: LOWER MIOCENE
Core: 4 Depth Bottom of Layer(m): 248.50 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 0 99 1.82/ 52 157
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 150/1020 Age: UPPER OLIGOCENE
Hole: 27 Depth Top of Layer(m) : 369.15 Age: UPPER OLIGOCENE
Core: 5 Depth Bottom of Layer(m): 370.02 Age:
Sect: 1 Thickness of Layer(m) : 0.87
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
1 0 99 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 1020/1080 Age: UPPER OLIGOCENE
Hole: 27 Depth Top of Layer(m) : 370.02 Age: UPPER OLIGOCENE
Core: 5 Depth Bottom of Layer(m): 370.08 Age:
Sect: 1 Thickness of Layer(m) : 0.06
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 99 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 1080/1170 Age: UPPER OLIGOCENE
Hole: 27 Depth Top of Layer(m) : 370.08 Age: UPPER OLIGOCENE
Core: 5 Depth Bottom of Layer(m): 370.17 Age:
Sect: 1 Thickness of Layer(m) : 0.09
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
80 0 20 /
Processing Hist: Classification was successful.
Shipboard Lith : SHALEY LIMESTONE
Screen Lith : CLAY MINERAL RICH INDURATED CARBONATE CHALK
Leg : 4 Top/Bottom Interval(mm) : 1170/1500 Age: UPPER OLIGOCENE
Hole: 27 Depth Top of Layer(m) : 370.17 Age: UPPER OLIGOCENE
Core: 5 Depth Bottom of Layer(m): 370.50 Age:
Sect: 1 Thickness of Layer(m) : 0.33
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 0 98 /
Processing Hist: Classification was successful.
Shipboard Lith : CALCAREOUS CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 4 Top/Bottom Interval(mm) : 100/ 700 Age: UPPER OLIGOCENE
Hole: 27 Depth Top of Layer(m) : 370.60 Age: UPPER OLIGOCENE
Core: 5 Depth Bottom of Layer(m): 371.20 Age:
Sect: 2 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
========== ========= ======== ================ ============
2 0 98 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : QUARTZ RICH CLAY MINERAL RICH MUD
Leg : 4 Top/Bottom Interval(mm) : 700/1500 Age: UPPER OLIGOCENE
Hole: 27 Depth Top of Layer(m) : 371.20 Age: UPPER OLIGOCENE
Core: 5 Depth Bottom of Layer(m): 372.00 Age:
Sect: 2 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
========== ========= ======== ================ ============
60 0 40 /
Processing Hist: Classification was successful.
Shipboard Lith : CALCAREOUS CLAY
Screen Lith : CLAY MINERAL RICH NANNOFOSSIL CHALK
Leg : 4 Top/Bottom Interval(mm) : 00/1500 Age: UPPER OLIGOCENE
Hole: 27 Depth Top of Layer(m) : 372.00 Age: UPPER OLIGOCENE
Core: 5 Depth Bottom of Layer(m): 373.50 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
========== ========= ======== ================ ============
31 10 59 /
Processing Hist: Classification was successful.
Shipboard Lith : CALCAREOUS CLAY
Screen Lith : NANNOFOSSIL RICH MARLY CARBONATE CHALK
Leg : 4 Top/Bottom Interval(mm) : 00/1500 Age: UPPER OLIGOCENE
Hole: 27 Depth Top of Layer(m) : 373.50 Age: UPPER OLIGOCENE
Core: 5 Depth Bottom of Layer(m): 375.00 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
========== ========= ======== ================ ============
31 0 69 /
Processing Hist: Classification was successful.
Shipboard Lith : CALCAREOUS CLAY
Screen Lith : CLAY MINERAL RICH MARLY NANNOFOSSIL CHALK
Leg : 4 Top/Bottom Interval(mm) : 00/ 480 Age: UPPER EOCENE
Hole: 27 Depth Top of Layer(m) : 454.00 Age: UPPER EOCENE
Core: 6 Depth Bottom of Layer(m): 454.48 Age:
Sect: 1 Thickness of Layer(m) : 0.48
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 13 88 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : RADIOLARIA RICH CLAY MINERAL RICH MUD
Leg : 4 Top/Bottom Interval(mm) : 250/1500 Age: UPPER EOCENE
Hole: 27 Depth Top of Layer(m) : 455.75 Age: UPPER EOCENE
Core: 6 Depth Bottom of Layer(m): 457.00 Age:
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 0 /
Processing Hist:
Shipboard Lith : RAD CLAYSTONE
Screen Lith : CLASTIC SEDIMENT.
Leg : 4 Top/Bottom Interval(mm) : 00/ 850 Age: UPPER EOCENE
Hole: 27 Depth Top of Layer(m) : 457.00 Age: UPPER EOCENE
Core: 6 Depth Bottom of Layer(m): 457.85 Age:
Sect: 3 Thickness of Layer(m) : 0.85
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : BENTONITIC SHALE IN DRILLING MUD
Screen Lith : CLASTIC SEDIMENT.
Leg : 4 Top/Bottom Interval(mm) : 130/ 920 Age: UPPER EOCENE
Hole: 27 Depth Top of Layer(m) : 474.13 Age: UPPER EOCENE
Core: 7 Depth Bottom of Layer(m): 474.92 Age:
Sect: 1 Thickness of Layer(m) : 0.79
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
6 28 66 /
Processing Hist: Classification was successful.
Shipboard Lith : RAD/NANNO BANDED CALCAREOUS "BENTONITE"
Screen Lith : RADIOLARIA RICH CLAY MINERAL RICH MUDSTONE
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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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