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Core Data from the Deep Sea Drilling Project
Leg : 26 Top/Bottom Interval(mm) : 00/1100 Age: QUATERNARY
Hole: 258 Depth Top of Layer(m) : 0.50 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 1.60 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
========== ========= ======== ================ ============
92 14 0 1.59/ 66 107
Processing Hist: Classification was successful.
Shipboard Lith : FORAM BEARING COCCOLITH OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 00/1280 Age: QUATERNARY
Hole: 258 Depth Top of Layer(m) : 2.00 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 3.28 Age:
Sect: 2 Thickness of Layer(m) : 1.28
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
86 15 0 1.64/ 63 125
Processing Hist: Classification was successful.
Shipboard Lith : FORAM BEARING COCCOLITH OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 00/1090 Age: QUATERNARY
Hole: 258 Depth Top of Layer(m) : 3.50 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 4.59 Age:
Sect: 3 Thickness of Layer(m) : 1.09
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
91 13 0 1.61/ 65 106
Processing Hist: Classification was successful.
Shipboard Lith : FORAM BEARING COCCOLITH OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: QUATERNARY
Hole: 258 Depth Top of Layer(m) : 5.00 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 6.50 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
========== ========= ======== ================ ============
96 16 0 1.62/ 64 146
Processing Hist: Classification was successful.
Shipboard Lith : FORAM BEARING COCCOLITH OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: QUATERNARY
Hole: 258 Depth Top of Layer(m) : 6.50 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 8.00 Age:
Sect: 5 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
80 9 11 1.62/ 65 146
Processing Hist: Classification was successful.
Shipboard Lith : FORAM BEARING COCCOLITH OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: QUATERNARY
Hole: 258 Depth Top of Layer(m) : 8.00 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 9.50 Age:
Sect: 6 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
95 8 0 1.66/ 62 146
Processing Hist: Classification was successful.
Shipboard Lith : FORAM BEARING COCCOLITH OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 750/1500 Age: QUATERNARY
Hole: 258 Depth Top of Layer(m) : 10.25 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 11.00 Age:
Sect: 1 Thickness of Layer(m) : 0.75
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
91 14 0 /
Processing Hist: Classification was successful.
Shipboard Lith : SPONGE AND FORAM BEARING COCCOLITH OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: QUATERNARY
Hole: 258 Depth Top of Layer(m) : 11.00 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 12.50 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
========== ========= ======== ================ ============
83 8 9 1.63/ 64 146
Processing Hist: Classification was successful.
Shipboard Lith : SPONGE AND FORAM BEARING COCCOLITH OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 00/1000 Age: QUATERNARY
Hole: 258 Depth Top of Layer(m) : 12.50 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 13.50 Age:
Sect: 3 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
========== ========= ======== ================ ============
92 9 0 1.63/ 64 97
Processing Hist: Classification was successful.
Shipboard Lith : SPONGE AND FORAM BEARING COCCOLITH OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 1000/1500 Age: QUATERNARY
Hole: 258 Depth Top of Layer(m) : 13.50 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 14.00 Age:
Sect: 3 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
========== ========= ======== ================ ============
82 20 0 1.66/ 62 49
Processing Hist: Classification was successful.
Shipboard Lith : SPONGE MICARB AND FORAM RICH COCCOLITH OOZE
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL RICH CALCAREOUS OOZE
Leg : 26 Top/Bottom Interval(mm) : 00/ 100 Age: UPPER PLIOCENE
Hole: 258 Depth Top of Layer(m) : 47.50 Age: UPPER PLIOCENE
Core: 3 Depth Bottom of Layer(m): 47.60 Age:
Sect: 1 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
========== ========= ======== ================ ============
102 7 0 1.68/ 61 9
Processing Hist: Classification was successful.
Shipboard Lith : MICARB BEARING COCCOLITH OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 100/ 850 Age: UPPER PLIOCENE
Hole: 258 Depth Top of Layer(m) : 47.60 Age: UPPER PLIOCENE
Core: 3 Depth Bottom of Layer(m): 48.35 Age:
Sect: 1 Thickness of Layer(m) : 0.75
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
96 8 0 1.72/ 58 74
Processing Hist: Classification was successful.
Shipboard Lith : MICARB AND FORAM BEARING COCCOLITH OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 850/1500 Age: UPPER PLIOCENE
Hole: 258 Depth Top of Layer(m) : 48.35 Age: UPPER PLIOCENE
Core: 3 Depth Bottom of Layer(m): 49.00 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
========== ========= ======== ================ ============
102 8 0 1.70/ 60 63
Processing Hist: Classification was successful.
Shipboard Lith : SPONGE AND FORAM BEARING COCCOLITH OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: UPPER PLIOCENE
Hole: 258 Depth Top of Layer(m) : 49.00 Age: UPPER PLIOCENE
Core: 3 Depth Bottom of Layer(m): 50.50 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
========== ========= ======== ================ ============
102 8 0 1.73/ 58 146
Processing Hist: Classification was successful.
Shipboard Lith : SPONGE AND FORAM BEARING COCCOLITH OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: UPPER PLIOCENE
Hole: 258 Depth Top of Layer(m) : 50.50 Age: UPPER PLIOCENE
Core: 3 Depth Bottom of Layer(m): 52.00 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
========== ========= ======== ================ ============
77 9 14 1.71/ 59 146
Processing Hist: Classification was successful.
Shipboard Lith : SPONGE AND FORAM BEARING COCCOLITH OOZE
Screen Lith : NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE PLIOCENE
Hole: 258 Depth Top of Layer(m) : 52.00 Age: MIDDLE PLIOCENE
Core: 3 Depth Bottom of Layer(m): 53.50 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
========== ========= ======== ================ ============
97 7 0 1.74/ 58 146
Processing Hist: Classification was successful.
Shipboard Lith : FORAM BEARING COCCOLITH OOZE
Screen Lith : NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 00/1200 Age: MIDDLE PLIOCENE
Hole: 258 Depth Top of Layer(m) : 53.50 Age: MIDDLE PLIOCENE
Core: 3 Depth Bottom of Layer(m): 54.70 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
========== ========= ======== ================ ============
75 8 17 1.75/ 57 117
Processing Hist: Classification was successful.
Shipboard Lith : SPONGE AND FORAM BEARING COCCOLITH OOZE
Screen Lith : NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 1200/1450 Age: MIDDLE PLIOCENE
Hole: 258 Depth Top of Layer(m) : 54.70 Age: MIDDLE PLIOCENE
Core: 3 Depth Bottom of Layer(m): 54.95 Age:
Sect: 5 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
========== ========= ======== ================ ============
98 26 0 1.71/ 59 24
Processing Hist: Classification was successful.
Shipboard Lith : SPONGE BEARING FORAM AND MICARB RICH COCCOLITH OOZE
Screen Lith : SPICULE RICH CARBONATE RICH NANNOFOSSIL RICH CHALK
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE PLIOCENE
Hole: 258 Depth Top of Layer(m) : 55.00 Age: MIDDLE PLIOCENE
Core: 3 Depth Bottom of Layer(m): 56.50 Age:
Sect: 6 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
97 8 0 1.76/ 56 146
Processing Hist: Classification was successful.
Shipboard Lith : FORAM BEARING COCCOLITH OOZE
Screen Lith : NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 800/1030 Age: UPPER MIOCENE
Hole: 258 Depth Top of Layer(m) : 86.30 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 86.53 Age:
Sect: 1 Thickness of Layer(m) : 0.23
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
100 7 0 /
Processing Hist: Classification was successful.
Shipboard Lith : VERY FINE SAND
Screen Lith : CARBONATE RICH NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 1030/1200 Age: UPPER MIOCENE
Hole: 258 Depth Top of Layer(m) : 86.53 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 86.70 Age:
Sect: 1 Thickness of Layer(m) : 0.17
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
97 7 0 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 1200/1500 Age: UPPER MIOCENE
Hole: 258 Depth Top of Layer(m) : 86.70 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 87.00 Age:
Sect: 1 Thickness of Layer(m) : 0.30
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
85 14 2 /
Processing Hist: Classification was successful.
Shipboard Lith : FINE SAND
Screen Lith : CARBONATE RICH NANNOFOSSIL RICH CHALK
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: UPPER MIOCENE
Hole: 258 Depth Top of Layer(m) : 87.10 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 87.10 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
========== ========= ======== ================ ============
90 9 1 /
Processing Hist: Classification was successful.
Shipboard Lith : FINE SAND
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL OOZE
Leg : 26 Top/Bottom Interval(mm) : 700/ 850 Age: SANTONIAN
Hole: 258 Depth Top of Layer(m) : 124.20 Age: SANTONIAN
Core: 5 Depth Bottom of Layer(m): 124.35 Age:
Sect: 1 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
========== ========= ======== ================ ============
40 25 1 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILICIFIED LIMESTONE
Screen Lith : LIMESTONE
Leg : 26 Top/Bottom Interval(mm) : 850/1200 Age: SANTONIAN
Hole: 258 Depth Top of Layer(m) : 124.35 Age: SANTONIAN
Core: 5 Depth Bottom of Layer(m): 124.70 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
========== ========= ======== ================ ============
99 6 0 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 1350/1500 Age: SANTONIAN
Hole: 258 Depth Top of Layer(m) : 124.85 Age: SANTONIAN
Core: 5 Depth Bottom of Layer(m): 125.00 Age:
Sect: 1 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 : CLAY
Screen Lith : CHALK.
Leg : 26 Top/Bottom Interval(mm) : 00/ 200 Age: SANTONIAN
Hole: 258 Depth Top of Layer(m) : 125.00 Age: SANTONIAN
Core: 5 Depth Bottom of Layer(m): 125.20 Age:
Sect: 2 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 1.76/ 56 19
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CHALK.
Leg : 26 Top/Bottom Interval(mm) : 200/ 300 Age: SANTONIAN
Hole: 258 Depth Top of Layer(m) : 125.20 Age: SANTONIAN
Core: 5 Depth Bottom of Layer(m): 125.30 Age:
Sect: 2 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 1.80/ 54 10
Processing Hist:
Shipboard Lith : SILICIFIED LIMESTONE
Screen Lith : CHALK.
Leg : 26 Top/Bottom Interval(mm) : 300/ 710 Age: SANTONIAN
Hole: 258 Depth Top of Layer(m) : 125.30 Age: SANTONIAN
Core: 5 Depth Bottom of Layer(m): 125.71 Age:
Sect: 2 Thickness of Layer(m) : 0.41
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.78/ 55 40
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CHALK.
Leg : 26 Top/Bottom Interval(mm) : 710/ 810 Age: SANTONIAN
Hole: 258 Depth Top of Layer(m) : 125.71 Age: SANTONIAN
Core: 5 Depth Bottom of Layer(m): 125.81 Age:
Sect: 2 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 1.89/ 48 6
Processing Hist:
Shipboard Lith : SILICIFIED LIMESTONE
Screen Lith : CHALK.
Leg : 26 Top/Bottom Interval(mm) : 810/1500 Age: SANTONIAN
Hole: 258 Depth Top of Layer(m) : 125.81 Age: SANTONIAN
Core: 5 Depth Bottom of Layer(m): 126.50 Age:
Sect: 2 Thickness of Layer(m) : 0.69
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.78/ 55 65
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CHALK.
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: SANTONIAN
Hole: 258 Depth Top of Layer(m) : 126.50 Age: SANTONIAN
Core: 5 Depth Bottom of Layer(m): 128.00 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
========== ========= ======== ================ ============
102 6 0 1.76/ 56 146
Processing Hist: Classification was successful.
Shipboard Lith : FORAM BEARING COCCOLITH OOZE
Screen Lith : CARBONATE RICH NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: SANTONIAN
Hole: 258 Depth Top of Layer(m) : 128.10 Age: SANTONIAN
Core: 5 Depth Bottom of Layer(m): 128.10 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 60 0 /
Processing Hist: Classification was successful.
Shipboard Lith : SILICIFIED LIMESTONE AND CLAY
Screen Lith : CARBONATE RICH CHALCEDONY OOZE
Leg : 26 Top/Bottom Interval(mm) : 1320/1400 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 143.82 Age: CONIACIAN
Core: 6 Depth Bottom of Layer(m): 143.90 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
========== ========= ======== ================ ============
40 25 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILICIFIED LIMESTONE
Screen Lith : LIMESTONE
Leg : 26 Top/Bottom Interval(mm) : 1400/1500 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 143.90 Age: CONIACIAN
Core: 6 Depth Bottom of Layer(m): 144.00 Age:
Sect: 1 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: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 144.00 Age: CONIACIAN
Core: 6 Depth Bottom of Layer(m): 145.50 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
========== ========= ======== ================ ============
79 6 15 1.76/ 56 146
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : NANNOFOSSIL RICH CALCAREOUS OOZE
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 145.50 Age: CONIACIAN
Core: 6 Depth Bottom of Layer(m): 147.00 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
========== ========= ======== ================ ============
98 0 2 1.76/ 56 146
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 00/ 730 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 147.00 Age: CONIACIAN
Core: 6 Depth Bottom of Layer(m): 147.73 Age:
Sect: 4 Thickness of Layer(m) : 0.73
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.78/ 55 71
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 730/ 840 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 147.73 Age: CONIACIAN
Core: 6 Depth Bottom of Layer(m): 147.84 Age:
Sect: 4 Thickness of Layer(m) : 0.11
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.85/ 51 11
Processing Hist:
Shipboard Lith : SILICIFIED LIMESTONE
Screen Lith : NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 840/1500 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 147.84 Age: CONIACIAN
Core: 6 Depth Bottom of Layer(m): 148.50 Age:
Sect: 4 Thickness of Layer(m) : 0.66
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
98 6 0 1.77/ 56 64
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 148.50 Age: CONIACIAN
Core: 6 Depth Bottom of Layer(m): 150.00 Age:
Sect: 5 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
78 0 22 1.81/ 53 146
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 150.10 Age: CONIACIAN
Core: 6 Depth Bottom of Layer(m): 150.10 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 : CLAY
Screen Lith : NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 700/ 820 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 152.70 Age: CONIACIAN
Core: 7 Depth Bottom of Layer(m): 152.82 Age:
Sect: 1 Thickness of Layer(m) : 0.12
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 : SILICIFIED LIMESTONE
Screen Lith : NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 820/1500 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 152.82 Age: CONIACIAN
Core: 7 Depth Bottom of Layer(m): 153.50 Age:
Sect: 1 Thickness of Layer(m) : 0.68
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
98 6 0 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 153.50 Age: CONIACIAN
Core: 7 Depth Bottom of Layer(m): 155.00 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
========== ========= ======== ================ ============
77 6 17 1.74/ 57 146
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 00/ 250 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 155.00 Age: CONIACIAN
Core: 7 Depth Bottom of Layer(m): 155.25 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
========== ========= ======== ================ ============
40 25 17 1.67/ 62 23
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILICIFIED LIMESTONE
Screen Lith : LIMESTONE
Leg : 26 Top/Bottom Interval(mm) : 250/ 400 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 155.25 Age: CONIACIAN
Core: 7 Depth Bottom of Layer(m): 155.40 Age:
Sect: 3 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 17 1.81/ 53 15
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 400/ 500 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 155.40 Age: CONIACIAN
Core: 7 Depth Bottom of Layer(m): 155.50 Age:
Sect: 3 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
========== ========= ======== ================ ============
40 25 17 1.86/ 50 9
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILICIFIED LIMESTONE
Screen Lith : LIMESTONE
Leg : 26 Top/Bottom Interval(mm) : 500/1410 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 155.50 Age: CONIACIAN
Core: 7 Depth Bottom of Layer(m): 156.41 Age:
Sect: 3 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
========== ========= ======== ================ ============
98 6 0 1.76/ 56 89
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 156.60 Age: CONIACIAN
Core: 7 Depth Bottom of Layer(m): 156.60 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
========== ========= ======== ================ ============
98 6 0 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY
Screen Lith : NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 171.10 Age: CONIACIAN
Core: 8 Depth Bottom of Layer(m): 171.10 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
========== ========= ======== ================ ============
46 60 0 /
Processing Hist: Classification was successful.
Shipboard Lith : SILICIFIED LIMESTONE
Screen Lith : CARBONATE RICH CHALCEDONY CHALCEDONYITE
Leg : 26 Top/Bottom Interval(mm) : 200/ 900 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 180.70 Age: CONIACIAN
Core: 9 Depth Bottom of Layer(m): 181.40 Age:
Sect: 1 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
========== ========= ======== ================ ============
62 6 32 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 900/ 990 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 181.40 Age: CONIACIAN
Core: 9 Depth Bottom of Layer(m): 181.49 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
========== ========= ======== ================ ============
0 0 32 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY
Screen Lith : MUD
Leg : 26 Top/Bottom Interval(mm) : 990/1500 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 181.49 Age: CONIACIAN
Core: 9 Depth Bottom of Layer(m): 182.00 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
========== ========= ======== ================ ============
40 25 32 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILICIFIED LIMESTONE
Screen Lith : LIMESTONE
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 182.10 Age: CONIACIAN
Core: 9 Depth Bottom of Layer(m): 182.10 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 32 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILICIFIED LIMESTONE
Screen Lith : LIMESTONE
Leg : 26 Top/Bottom Interval(mm) : 730/1200 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 200.23 Age: CONIACIAN
Core: 10 Depth Bottom of Layer(m): 200.70 Age:
Sect: 1 Thickness of Layer(m) : 0.47
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
96 0 4 /
Processing Hist: Classification was successful.
Shipboard Lith : VARIABLE SILICIFIED LIMESTONE
Screen Lith : NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 1200/1500 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 200.70 Age: CONIACIAN
Core: 10 Depth Bottom of Layer(m): 201.00 Age:
Sect: 1 Thickness of Layer(m) : 0.30
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
98 6 0 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 201.00 Age: CONIACIAN
Core: 10 Depth Bottom of Layer(m): 202.50 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
========== ========= ======== ================ ============
59 6 35 1.77/ 56 118
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 202.60 Age: CONIACIAN
Core: 10 Depth Bottom of Layer(m): 202.60 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 35 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILICIFIED LIMESTONE
Screen Lith : LIMESTONE
Leg : 26 Top/Bottom Interval(mm) : 400/1500 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 215.90 Age: CONIACIAN
Core: 11 Depth Bottom of Layer(m): 217.00 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
========== ========= ======== ================ ============
0 0 0 1.51/ 71 88
Processing Hist:
Shipboard Lith : MICARB RICH COCCOLITH CHALK
Screen Lith : TRANSITIONAL CALCAREOUS SEDIMENT.
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 217.00 Age: CONIACIAN
Core: 11 Depth Bottom of Layer(m): 218.50 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
========== ========= ======== ================ ============
42 6 52 1.71/ 59 146
Processing Hist: Classification was successful.
Shipboard Lith : MICARB RICH COCCOLITH CHALK
Screen Lith : CARBONATE RICH MARLY NANNOFOSSIL LIMESTONE
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 218.50 Age: CONIACIAN
Core: 11 Depth Bottom of Layer(m): 220.00 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
========== ========= ======== ================ ============
98 0 2 1.77/ 55 136
Processing Hist: Classification was successful.
Shipboard Lith : MICARB RICH COCCOLITH CHALK
Screen Lith : CARBONATE RICH NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 220.10 Age: CONIACIAN
Core: 11 Depth Bottom of Layer(m): 220.10 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 : CHALK
Screen Lith : CHALK.
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 235.00 Age: CONIACIAN
Core: 12 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
========== ========= ======== ================ ============
98 0 2 1.73/ 58 146
Processing Hist: Classification was successful.
Shipboard Lith : COCCOLITH RICH MICARB CHALK
Screen Lith : NANNOFOSSIL RICH CARBONATE CHALK
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 236.50 Age: CONIACIAN
Core: 12 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
========== ========= ======== ================ ============
67 0 33 1.75/ 57 146
Processing Hist: Classification was successful.
Shipboard Lith : COCCOLITH RICH MICARB CHALK
Screen Lith : NANNOFOSSIL RICH CARBONATE CHALK
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: CONIACIAN
Hole: 258 Depth Top of Layer(m) : 238.00 Age: CONIACIAN
Core: 12 Depth Bottom of Layer(m): 239.50 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
========== ========= ======== ================ ============
105 0 0 1.75/ 57 146
Processing Hist: Classification was successful.
Shipboard Lith : COCCOLITH RICH MICARB CHALK
Screen Lith : NANNOFOSSIL RICH CARBONATE CHALK
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: TURONIAN
Hole: 258 Depth Top of Layer(m) : 239.50 Age: TURONIAN
Core: 12 Depth Bottom of Layer(m): 241.00 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
========== ========= ======== ================ ============
73 0 28 1.70/ 60 145
Processing Hist: Classification was successful.
Shipboard Lith : COCCOLITH RICH MICARB CHALK
Screen Lith : NANNOFOSSIL RICH CARBONATE CHALK
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: TURONIAN
Hole: 258 Depth Top of Layer(m) : 241.00 Age: TURONIAN
Core: 12 Depth Bottom of Layer(m): 242.50 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
========== ========= ======== ================ ============
101 0 0 1.74/ 57 146
Processing Hist: Classification was successful.
Shipboard Lith : COCCOLITH RICH MICARB CHALK
Screen Lith : NANNOFOSSIL RICH CARBONATE CHALK
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: TURONIAN
Hole: 258 Depth Top of Layer(m) : 242.50 Age: TURONIAN
Core: 12 Depth Bottom of Layer(m): 244.00 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
========== ========= ======== ================ ============
51 0 49 1.78/ 55 146
Processing Hist: Classification was successful.
Shipboard Lith : COCCOLITH RICH MICARB CHALK
Screen Lith : NANNOFOSSIL RICH MARLY CARBONATE CHALK
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: TURONIAN
Hole: 258 Depth Top of Layer(m) : 244.10 Age: TURONIAN
Core: 12 Depth Bottom of Layer(m): 244.10 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
========== ========= ======== ================ ============
104 0 0 /
Processing Hist: Classification was successful.
Shipboard Lith : CHALK
Screen Lith : NANNOFOSSIL RICH CARBONATE CHALK
Leg : 26 Top/Bottom Interval(mm) : 900/1500 Age: TURONIAN
Hole: 258 Depth Top of Layer(m) : 254.40 Age: TURONIAN
Core: 13 Depth Bottom of Layer(m): 255.00 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
========== ========= ======== ================ ============
0 0 0 1.74/ 58 43
Processing Hist:
Shipboard Lith : COCCOLITH RICH MICARB CHALK
Screen Lith : NANNOFOSSIL RICH CARBONATE CHALK
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: TURONIAN
Hole: 258 Depth Top of Layer(m) : 255.00 Age: TURONIAN
Core: 13 Depth Bottom of Layer(m): 256.50 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
========== ========= ======== ================ ============
67 0 33 1.67/ 61 142
Processing Hist: Classification was successful.
Shipboard Lith : COCCOLITH RICH MICARB CHALK
Screen Lith : NANNOFOSSIL RICH CARBONATE CHALK
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: TURONIAN
Hole: 258 Depth Top of Layer(m) : 256.50 Age: TURONIAN
Core: 13 Depth Bottom of Layer(m): 258.00 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
========== ========= ======== ================ ============
104 0 0 1.69/ 60 146
Processing Hist: Classification was successful.
Shipboard Lith : COCCOLITH RICH MICARB CHALK
Screen Lith : CARBONATE CHALK
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: TURONIAN
Hole: 258 Depth Top of Layer(m) : 258.00 Age: TURONIAN
Core: 13 Depth Bottom of Layer(m): 259.50 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
========== ========= ======== ================ ============
45 0 0 1.68/ 61 146
Processing Hist:
Shipboard Lith : COCCOLITH RICH MICARB CHALK
Screen Lith : CHALK.
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: CENOMANIAN
Hole: 258 Depth Top of Layer(m) : 259.60 Age: CENOMANIAN
Core: 13 Depth Bottom of Layer(m): 259.60 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
========== ========= ======== ================ ============
98 4 0 /
Processing Hist: Classification was successful.
Shipboard Lith : COCCOLITH RICH MICARB CHALK
Screen Lith : NANNOFOSSIL RICH CARBONATE CHALK
Leg : 26 Top/Bottom Interval(mm) : 100/1500 Age: CENOMANIAN
Hole: 258 Depth Top of Layer(m) : 263.10 Age: CENOMANIAN
Core: 14 Depth Bottom of Layer(m): 264.50 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
========== ========= ======== ================ ============
0 0 0 1.61/ 65 130
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: CENOMANIAN
Hole: 258 Depth Top of Layer(m) : 264.60 Age: CENOMANIAN
Core: 14 Depth Bottom of Layer(m): 264.60 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: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 990/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 282.99 Age: ALBIAN
Core: 15 Depth Bottom of Layer(m): 283.50 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
========== ========= ======== ================ ============
1 0 99 1.59/ 66 43
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 283.50 Age: ALBIAN
Core: 15 Depth Bottom of Layer(m): 285.00 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 1.67/ 62 143
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH CLAY MINERAL RICH MUD
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 285.00 Age: ALBIAN
Core: 15 Depth Bottom of Layer(m): 286.50 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 99 1.67/ 61 145
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 286.50 Age: ALBIAN
Core: 15 Depth Bottom of Layer(m): 288.00 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 99 1.69/ 60 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 288.00 Age: ALBIAN
Core: 15 Depth Bottom of Layer(m): 289.50 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 99 1.68/ 61 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 289.50 Age: ALBIAN
Core: 15 Depth Bottom of Layer(m): 291.00 Age:
Sect: 6 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 99 1.69/ 61 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 291.10 Age: ALBIAN
Core: 15 Depth Bottom of Layer(m): 291.10 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
========== ========= ======== ================ ============
31 0 69 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MARLY NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 1350/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 302.35 Age: ALBIAN
Core: 16 Depth Bottom of Layer(m): 302.50 Age:
Sect: 1 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 69 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 302.50 Age: ALBIAN
Core: 16 Depth Bottom of Layer(m): 304.00 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
========== ========= ======== ================ ============
5 0 95 1.71/ 59 146
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 304.00 Age: ALBIAN
Core: 16 Depth Bottom of Layer(m): 305.50 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
========== ========= ======== ================ ============
6 0 94 1.67/ 61 146
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 305.50 Age: ALBIAN
Core: 16 Depth Bottom of Layer(m): 307.00 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 0 100 1.68/ 61 146
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : PYRITE RICH FELDSPAR RICH CLASTIC SEDIMENT
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 307.00 Age: ALBIAN
Core: 16 Depth Bottom of Layer(m): 308.50 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 0 100 1.70/ 60 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 308.50 Age: ALBIAN
Core: 16 Depth Bottom of Layer(m): 310.00 Age:
Sect: 6 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.71/ 59 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 310.10 Age: ALBIAN
Core: 16 Depth Bottom of Layer(m): 310.10 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
========== ========= ======== ================ ============
31 0 69 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH MARLY NANNOFOSSIL CHALK
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 320.00 Age: ALBIAN
Core: 17 Depth Bottom of Layer(m): 321.50 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
========== ========= ======== ================ ============
9 0 91 1.71/ 59 143
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH PELAGIC CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 321.50 Age: ALBIAN
Core: 17 Depth Bottom of Layer(m): 323.00 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
========== ========= ======== ================ ============
3 0 97 1.73/ 58 146
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH PELAGIC CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 323.00 Age: ALBIAN
Core: 17 Depth Bottom of Layer(m): 324.50 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
========== ========= ======== ================ ============
6 0 94 1.74/ 58 146
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH CLAY MINERAL RICH PELAGIC CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1300 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 324.50 Age: ALBIAN
Core: 17 Depth Bottom of Layer(m): 325.80 Age:
Sect: 4 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 94 1.68/ 61 127
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 1300/1400 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 325.80 Age: ALBIAN
Core: 17 Depth Bottom of Layer(m): 325.90 Age:
Sect: 4 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
========== ========= ======== ================ ============
100 0 0 2.56/ 8 9
Processing Hist: Classification was successful.
Shipboard Lith : MEDIUM SAND
Screen Lith : CARBONATE CHALK
Leg : 26 Top/Bottom Interval(mm) : 1400/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 325.90 Age: ALBIAN
Core: 17 Depth Bottom of Layer(m): 326.00 Age:
Sect: 4 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 1.89/ 49 10
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 326.00 Age: ALBIAN
Core: 17 Depth Bottom of Layer(m): 327.50 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
========== ========= ======== ================ ============
11 0 89 1.71/ 59 145
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH PELAGIC CLAY
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 327.60 Age: ALBIAN
Core: 17 Depth Bottom of Layer(m): 327.60 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 : CLAY
Screen Lith : DETRITAL SEDIMENT.
Leg : 26 Top/Bottom Interval(mm) : 340/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 339.34 Age: ALBIAN
Core: 18 Depth Bottom of Layer(m): 340.50 Age:
Sect: 1 Thickness of Layer(m) : 1.16
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
5 0 95 1.69/ 60 95
Processing Hist: Classification was successful.
Shipboard Lith : COCCOLITH AND PYRITE BEARING FERRUGINOUS CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1400 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 340.50 Age: ALBIAN
Core: 18 Depth Bottom of Layer(m): 341.90 Age:
Sect: 2 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
========== ========= ======== ================ ============
10 6 84 1.69/ 60 136
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 342.00 Age: ALBIAN
Core: 18 Depth Bottom of Layer(m): 343.50 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
========== ========= ======== ================ ============
14 0 86 1.68/ 61 146
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 343.50 Age: ALBIAN
Core: 18 Depth Bottom of Layer(m): 345.00 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
========== ========= ======== ================ ============
13 0 87 1.66/ 62 146
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH CLAY
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 345.10 Age: ALBIAN
Core: 18 Depth Bottom of Layer(m): 345.10 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 87 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 358.10 Age: ALBIAN
Core: 19 Depth Bottom of Layer(m): 358.10 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 87 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 690/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 377.69 Age: ALBIAN
Core: 20 Depth Bottom of Layer(m): 378.50 Age:
Sect: 1 Thickness of Layer(m) : 0.81
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
7 0 93 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 378.60 Age: ALBIAN
Core: 20 Depth Bottom of Layer(m): 378.60 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
========== ========= ======== ================ ============
10 0 90 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH PELAGIC CLAY
Leg : 26 Top/Bottom Interval(mm) : 100/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 405.60 Age: ALBIAN
Core: 21 Depth Bottom of Layer(m): 407.00 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
========== ========= ======== ================ ============
0 0 90 1.69/ 60 135
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 407.00 Age: ALBIAN
Core: 21 Depth Bottom of Layer(m): 408.50 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 90 1.76/ 56 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 408.50 Age: ALBIAN
Core: 21 Depth Bottom of Layer(m): 410.00 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
========== ========= ======== ================ ============
5 0 95 1.83/ 52 145
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 410.10 Age: ALBIAN
Core: 21 Depth Bottom of Layer(m): 410.10 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
========== ========= ======== ================ ============
25 0 75 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH CLAY
Leg : 26 Top/Bottom Interval(mm) : 750/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 435.75 Age: ALBIAN
Core: 22 Depth Bottom of Layer(m): 436.50 Age:
Sect: 1 Thickness of Layer(m) : 0.75
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
6 0 94 1.77/ 55 79
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH PELAGIC CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 436.50 Age: ALBIAN
Core: 22 Depth Bottom of Layer(m): 438.00 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
========== ========= ======== ================ ============
6 0 94 1.80/ 54 144
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH PELAGIC CLAYSTONE
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 438.00 Age: ALBIAN
Core: 22 Depth Bottom of Layer(m): 439.50 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
========== ========= ======== ================ ============
5 0 95 1.75/ 56 146
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH PELAGIC CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 439.50 Age: ALBIAN
Core: 22 Depth Bottom of Layer(m): 441.00 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 95 1.76/ 56 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 441.00 Age: ALBIAN
Core: 22 Depth Bottom of Layer(m): 442.50 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
========== ========= ======== ================ ============
7 0 93 1.73/ 58 142
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH FELDSPAR RICH CLAY
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: ALBIAN
Hole: 258 Depth Top of Layer(m) : 442.60 Age: ALBIAN
Core: 22 Depth Bottom of Layer(m): 442.60 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
========== ========= ======== ================ ============
9 0 91 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH CLAY
Leg : 26 Top/Bottom Interval(mm) : 1485/1500 Age: LOWER CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 473.49 Age: LOWER CRETACEOUS
Core: 23 Depth Bottom of Layer(m): 473.50 Age:
Sect: 1 Thickness of Layer(m) : 0.01
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 : CLASTIC SEDIMENT.
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: LOWER CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 473.50 Age: LOWER CRETACEOUS
Core: 23 Depth Bottom of Layer(m): 475.00 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 1.82/ 53 96
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD
Leg : 26 Top/Bottom Interval(mm) : 100/1500 Age: CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 510.10 Age: CRETACEOUS
Core: 24 Depth Bottom of Layer(m): 511.50 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
========== ========= ======== ================ ============
0 0 100 1.74/ 58 120
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 511.50 Age: CRETACEOUS
Core: 24 Depth Bottom of Layer(m): 513.00 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 1.79/ 55 144
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH CLAY
Leg : 26 Top/Bottom Interval(mm) : 00/ 790 Age: CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 513.00 Age: CRETACEOUS
Core: 24 Depth Bottom of Layer(m): 513.79 Age:
Sect: 3 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
========== ========= ======== ================ ============
0 0 0 1.78/ 55 77
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CLASTIC SEDIMENT.
Leg : 26 Top/Bottom Interval(mm) : 790/ 950 Age: CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 513.79 Age: CRETACEOUS
Core: 24 Depth Bottom of Layer(m): 513.95 Age:
Sect: 3 Thickness of Layer(m) : 0.16
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.89/ 48 15
Processing Hist: Classification was successful.
Shipboard Lith : WELL SORTED FINE SAND
Screen Lith : GLAUCONITE RICH PYRITE RICH CLASTIC SEDIMENTSTONE
Leg : 26 Top/Bottom Interval(mm) : 950/1500 Age: CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 513.95 Age: CRETACEOUS
Core: 24 Depth Bottom of Layer(m): 514.50 Age:
Sect: 3 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
========== ========= ======== ================ ============
70 0 30 1.80/ 54 53
Processing Hist: Classification was successful.
Shipboard Lith : CALCAREOUS WELL SORTED SAND
Screen Lith : CARBONATE LIMESTONE
Leg : 26 Top/Bottom Interval(mm) : 00/1500 Age: CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 514.50 Age: CRETACEOUS
Core: 24 Depth Bottom of Layer(m): 516.00 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 30 1.81/ 53 146
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : WELL SORTED VERY FINE SAND
Screen Lith : SAND
Leg : 26 Top/Bottom Interval(mm) : 00/ 200 Age: CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 516.00 Age: CRETACEOUS
Core: 24 Depth Bottom of Layer(m): 516.20 Age:
Sect: 5 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
========== ========= ======== ================ ============
25 0 75 1.75/ 57 19
Processing Hist: Classification was successful.
Shipboard Lith : GLAUCONITIC FINE SAND
Screen Lith : CARBONATE RICH GLAUCONITE RICH PELAGIC CLAY
Leg : 26 Top/Bottom Interval(mm) : 200/ 300 Age: CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 516.20 Age: CRETACEOUS
Core: 24 Depth Bottom of Layer(m): 516.30 Age:
Sect: 5 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 75 2.25/ 27 10
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : GLAUCONITIC AND SIDERITIC COARSE-MEDIUM SAND
Screen Lith : SAND
Leg : 26 Top/Bottom Interval(mm) : 300/ 580 Age: CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 516.30 Age: CRETACEOUS
Core: 24 Depth Bottom of Layer(m): 516.58 Age:
Sect: 5 Thickness of Layer(m) : 0.28
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 75 1.86/ 50 27
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : LAMINATED WELL SORTED SAND
Screen Lith : SAND
Leg : 26 Top/Bottom Interval(mm) : 580/ 660 Age: CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 516.58 Age: CRETACEOUS
Core: 24 Depth Bottom of Layer(m): 516.66 Age:
Sect: 5 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 75 2.11/ 35 7
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : VERY FINE SAND
Screen Lith : SAND
Leg : 26 Top/Bottom Interval(mm) : 660/ 800 Age: CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 516.66 Age: CRETACEOUS
Core: 24 Depth Bottom of Layer(m): 516.80 Age:
Sect: 5 Thickness of Layer(m) : 0.14
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 75 1.95/ 45 13
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : FINE SAND
Screen Lith : SAND
Leg : 26 Top/Bottom Interval(mm) : 800/1000 Age: CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 516.80 Age: CRETACEOUS
Core: 24 Depth Bottom of Layer(m): 517.00 Age:
Sect: 5 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 75 2.20/ 30 19
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILT AND VERY FINE SAND
Screen Lith : SAND
Leg : 26 Top/Bottom Interval(mm) : 1000/1200 Age: CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 517.00 Age: CRETACEOUS
Core: 24 Depth Bottom of Layer(m): 517.20 Age:
Sect: 5 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 75 1.96/ 44 19
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILT AND VERY FINE SAND
Screen Lith : SAND
Leg : 26 Top/Bottom Interval(mm) : 1200/1500 Age: CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 517.20 Age: CRETACEOUS
Core: 24 Depth Bottom of Layer(m): 517.50 Age:
Sect: 5 Thickness of Layer(m) : 0.30
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.86/ 50 29
Processing Hist: Classification was successful.
Shipboard Lith : SILTY MUD
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH PELAGIC CLAY
Leg : 26 Top/Bottom Interval(mm) : 0/ 0 Age: CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 517.60 Age: CRETACEOUS
Core: 24 Depth Bottom of Layer(m): 517.60 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 0 100 /
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH PELAGIC CLAY
Leg : 26 Top/Bottom Interval(mm) : 1000/1500 Age: CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 520.50 Age: CRETACEOUS
Core: 25 Depth Bottom of Layer(m): 521.00 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 0 100 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 190/1500 Age: CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 521.19 Age: CRETACEOUS
Core: 25 Depth Bottom of Layer(m): 522.50 Age:
Sect: 2 Thickness of Layer(m) : 1.31
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.66/ 62 128
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 26 Top/Bottom Interval(mm) : 650/1500 Age: CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 523.15 Age: CRETACEOUS
Core: 25 Depth Bottom of Layer(m): 524.00 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
========== ========= ======== ================ ============
60 0 40 1.83/ 52 83
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH CARBONATE LIMESTONE
Leg : 26 Top/Bottom Interval(mm) : 50/1500 Age: CRETACEOUS
Hole: 258 Depth Top of Layer(m) : 524.05 Age: CRETACEOUS
Core: 25 Depth Bottom of Layer(m): 525.50 Age:
Sect: 4 Thickness of Layer(m) : 1.45
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 100 1.87/ 49 138
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : TERRIGENOUS DETRITUS RICH PELAGIC CLAYSTONE
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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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