Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 255 Depth Top of Layer(m) : 23.00 Age: PLIOCENE
Core: 3 Depth Bottom of Layer(m): 24.50 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 0 5 /
Processing Hist: Classification was successful.
Shipboard Lith : NANNOPLANKTON FORAMINIFERAL OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 255 Depth Top of Layer(m) : 24.50 Age: PLIOCENE
Core: 3 Depth Bottom of Layer(m): 26.00 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
========== ========= ======== ================ ============
100 0 0 /
Processing Hist: Classification was successful.
Shipboard Lith : NANNOPLANKTON FORAMINIFERAL OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : / Age: UPPER MIOCENE
Hole: 255 Depth Top of Layer(m) : 26.10 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 26.10 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
========== ========= ======== ================ ============
95 0 5 /
Processing Hist: Classification was successful.
Shipboard Lith : NANNOPLANKTON FORAMINIFERAL OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MIOCENE
Hole: 255 Depth Top of Layer(m) : 32.50 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 34.00 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
========== ========= ======== ================ ============
96 0 4 /
Processing Hist: Classification was successful.
Shipboard Lith : NANNOPLANKTON FORAMINIFERAL OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 255 Depth Top of Layer(m) : 34.00 Age: MIDDLE MIOCENE
Core: 4 Depth Bottom of Layer(m): 35.50 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
========== ========= ======== ================ ============
100 0 0 /
Processing Hist: Classification was successful.
Shipboard Lith : NANNOPLANKTON FORAMINIFERAL OOZE
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : / Age: MIDDLE MIOCENE
Hole: 255 Depth Top of Layer(m) : 35.60 Age: MIDDLE MIOCENE
Core: 4 Depth Bottom of Layer(m): 35.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : NANNOPLANKTON FORAMINIFERAL OOZE
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE MIOCENE
Hole: 255 Depth Top of Layer(m) : 42.00 Age: MIDDLE MIOCENE
Core: 5 Depth Bottom of Layer(m): 43.50 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 0 10 /
Processing Hist: Classification was successful.
Shipboard Lith : NANNOPLANKTON FORAMINIFERAL OOZE
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : / Age: LOWER MIOCENE
Hole: 255 Depth Top of Layer(m) : 43.60 Age: LOWER MIOCENE
Core: 5 Depth Bottom of Layer(m): 43.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
100 0 0 /
Processing Hist: Classification was successful.
Shipboard Lith : NANNOPLANKTON FORAMINIFERAL OOZE
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : / Age: MIOCENE
Hole: 255 Depth Top of Layer(m) : 51.60 Age: MIOCENE
Core: 6 Depth Bottom of Layer(m): 51.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : FORAMINIFERA
Screen Lith : PELAGIC CALCAREOUS SEDIMENT.
Leg : 26 Top/Bottom Interval(mm) : / Age: MIDDLE EOCENE
Hole: 255 Depth Top of Layer(m) : 61.10 Age: MIDDLE EOCENE
Core: 7 Depth Bottom of Layer(m): 61.10 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
========== ========= ======== ================ ============
50 30 20 /
Processing Hist: Classification was successful.
Shipboard Lith : CHERT
Screen Lith : CHERT FRAGMENT RICH INDURATED CARBONATE OOZE
Leg : 26 Top/Bottom Interval(mm) : 100/ 150 Age: MIDDLE EOCENE
Hole: 255 Depth Top of Layer(m) : 61.10 Age: MIDDLE EOCENE
Core: 7 Depth Bottom of Layer(m): 61.15 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 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILT
Screen Lith : SILT
Leg : 26 Top/Bottom Interval(mm) : / Age: UPPER CRETACEOUS
Hole: 255 Depth Top of Layer(m) : 70.60 Age: UPPER CRETACEOUS
Core: 8 Depth Bottom of Layer(m): 70.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
35 50 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERT
Screen Lith : CHERT
Leg : 26 Top/Bottom Interval(mm) : 100/1500 Age: SANTONIAN
Hole: 255 Depth Top of Layer(m) : 80.10 Age: SANTONIAN
Core: 9 Depth Bottom of Layer(m): 81.50 Age:
Sect: 1 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
========== ========= ======== ================ ============
2 0 98 /
Processing Hist: Classification was successful.
Shipboard Lith : GREY LIMESTONE
Screen Lith : GLAUCONITE RICH CLAYSTONE
Leg : 26 Top/Bottom Interval(mm) : / Age: SANTONIAN
Hole: 255 Depth Top of Layer(m) : 81.60 Age: SANTONIAN
Core: 9 Depth Bottom of Layer(m): 81.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
40 25 98 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : LIMESTONE
Screen Lith : LIMESTONE
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: SANTONIAN
Hole: 255 Depth Top of Layer(m) : 89.50 Age: SANTONIAN
Core: 10 Depth Bottom of Layer(m): 91.00 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
========== ========= ======== ================ ============
35 50 98 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : BLACK CHERT
Screen Lith : CHERT
Leg : 26 Top/Bottom Interval(mm) : / Age: SANTONIAN
Hole: 255 Depth Top of Layer(m) : 91.10 Age: SANTONIAN
Core: 10 Depth Bottom of Layer(m): 91.10 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
========== ========= ======== ================ ============
40 25 98 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : GREY LIMESTONE
Screen Lith : LIMESTONE
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: SANTONIAN
Hole: 255 Depth Top of Layer(m) : 99.00 Age: SANTONIAN
Core: 11 Depth Bottom of Layer(m): 100.50 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
========== ========= ======== ================ ============
40 25 98 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : GREY LIMESTONE WITH CALCITE BANDS AND GLAUCONITE SMEARS
Screen Lith : LIMESTONE
Leg : 26 Top/Bottom Interval(mm) : / Age: SANTONIAN
Hole: 255 Depth Top of Layer(m) : 100.60 Age: SANTONIAN
Core: 11 Depth Bottom of Layer(m): 100.60 Age:
Sect: CC Thickness of Layer(m) : 0.00
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
40 25 98 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : GREY LIMESTONE WITH CALCITE BANDS AND GLAUCONITE SMEARS
Screen Lith : LIMESTONE
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