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Core Data from the Deep Sea Drilling Project
Leg : 67 Top/Bottom Interval(mm) : 00/1080 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 37.50 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 38.58 Age:
Sect: 1 Thickness of Layer(m) : 1.08
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 98 1.38/ 79 92
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOMACEOUS SILTY MUD
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 1090/1150 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 38.59 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 38.65 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 2 98 1.21/ 89 6
Processing Hist: Classification was successful.
Shipboard Lith : MUDDY VITRIC ASH
Screen Lith : GLASS RICH ASH
Leg : 67 Top/Bottom Interval(mm) : 1160/1500 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 38.66 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 39.00 Age:
Sect: 1 Thickness of Layer(m) : 0.34
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 98 1.41/ 77 33
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOMACEOUS SILTY MUD
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 110 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 39.00 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 39.11 Age:
Sect: 2 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 98 1.37/ 79 8
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS SANDY MUD
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 180/ 710 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 39.18 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 39.71 Age:
Sect: 2 Thickness of Layer(m) : 0.53
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
27 25 48 1.35/ 81 52
Processing Hist: Classification was successful.
Shipboard Lith : CALCAREOUS SANDY MUD
Screen Lith : DIATOM RICH MARLY CARBONATE OOZE
Leg : 67 Top/Bottom Interval(mm) : 720/ 980 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 39.72 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 39.98 Age:
Sect: 2 Thickness of Layer(m) : 0.26
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
5 9 86 1.47/ 74 25
Processing Hist: Classification was successful.
Shipboard Lith : SANDY DIATOMACEOUS VITRIC ASH
Screen Lith : CLAY MINERAL RICH GLASS RICH SANDY MUD
Leg : 67 Top/Bottom Interval(mm) : 1090/1500 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 40.09 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 40.50 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 86 1.40/ 78 40
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SANDY DIATOMACEOUS VITRIC ASH
Screen Lith : SANDY MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1430 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 40.50 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 41.93 Age:
Sect: 3 Thickness of Layer(m) : 1.43
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 86 1.41/ 77 124
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOMACEOUS SILTY MUD
Screen Lith : SANDY MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 380 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 42.00 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 42.38 Age:
Sect: 4 Thickness of Layer(m) : 0.38
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 72 28 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOMACEOUS SILT
Screen Lith : GLASS RICH DIATOM OOZE
Leg : 67 Top/Bottom Interval(mm) : 00/ 50 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 42.48 Age: QUATERNARY
Core: 1 Depth Bottom of Layer(m): 42.53 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 28 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 40 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 47.00 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 47.04 Age:
Sect: 1 Thickness of Layer(m) : 0.04
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 28 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY
Screen Lith : CLAY
Leg : 67 Top/Bottom Interval(mm) : 50/ 570 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 47.05 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 47.57 Age:
Sect: 1 Thickness of Layer(m) : 0.52
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 28 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUD
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 580/1020 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 47.58 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 48.02 Age:
Sect: 1 Thickness of Layer(m) : 0.44
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 : PEBBLY MUDSTONE
Screen Lith : GLAUCONITE RICH CLAY MINERAL RICH SANDY MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 48.50 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 50.00 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 90 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOMACEOUS SOUPY MUD
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 510 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 50.00 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 50.51 Age:
Sect: 3 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
========== ========= ======== ================ ============
17 29 54 /
Processing Hist: Classification was successful.
Shipboard Lith : MUD
Screen Lith : DIATOM RICH CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 740/1300 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 50.74 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 51.30 Age:
Sect: 3 Thickness of Layer(m) : 0.56
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 : MUD
Screen Lith : DIATOM RICH CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 1400/1500 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 51.40 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 51.50 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MUD
Screen Lith : DIATOM RICH CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 51.50 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 53.00 Age:
Sect: 4 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MUD
Screen Lith : DIATOM RICH CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1200 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 53.00 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 54.20 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
========== ========= ======== ================ ============
0 0 0 1.42/ 77 110
Processing Hist:
Shipboard Lith : PEBBLY MUDSTONE
Screen Lith : DIATOM RICH CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 130/1190 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 54.63 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 55.69 Age:
Sect: 6 Thickness of Layer(m) : 1.06
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 0 0 1.55/ 69 72
Processing Hist:
Shipboard Lith : MUD
Screen Lith : DIATOM RICH CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 460 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 56.00 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 56.46 Age:
Sect: 7 Thickness of Layer(m) : 0.46
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MUD
Screen Lith : DIATOM RICH CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 150/ 400 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 56.61 Age: QUATERNARY
Core: 2 Depth Bottom of Layer(m): 56.86 Age:
Sect: CC 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
========== ========= ======== ================ ============
20 20 60 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOMACEOUS SILTY CLAY
Screen Lith : DIATOM RICH CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 100/ 200 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 56.60 Age: QUATERNARY
Core: 3 Depth Bottom of Layer(m): 56.70 Age:
Sect: CC Thickness of Layer(m) : 0.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 60 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOMACEOUS SILTY CLAY
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 340 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 66.00 Age: QUATERNARY
Core: 4 Depth Bottom of Layer(m): 66.34 Age:
Sect: 1 Thickness of Layer(m) : 0.34
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 37 63 /
Processing Hist:
Shipboard Lith : DIATOMACEOUS SILTY CLAY
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 50 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 66.44 Age: QUATERNARY
Core: 4 Depth Bottom of Layer(m): 66.49 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 63 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOMACEOUS SILTY CLAY
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 710 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 75.50 Age: QUATERNARY
Core: 5 Depth Bottom of Layer(m): 76.21 Age:
Sect: 1 Thickness of Layer(m) : 0.71
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
4 84 12 1.56/ 68 68
Processing Hist: Classification was successful.
Shipboard Lith : DIATOMACEOUS MUD
Screen Lith : CLAY MINERAL RICH SPICULE OOZE
Leg : 67 Top/Bottom Interval(mm) : 760/ 920 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 76.26 Age: QUATERNARY
Core: 5 Depth Bottom of Layer(m): 76.42 Age:
Sect: 1 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 0 1.53/ 70 13
Processing Hist:
Shipboard Lith : DIATOMACEOUS MUD
Screen Lith : SILICEOUS SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 00/ 60 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 77.00 Age: QUATERNARY
Core: 5 Depth Bottom of Layer(m): 77.06 Age:
Sect: 2 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 0 /
Processing Hist:
Shipboard Lith : DIATOMACEOUS MUD
Screen Lith : SILICEOUS SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 110/1500 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 77.11 Age: QUATERNARY
Core: 5 Depth Bottom of Layer(m): 78.50 Age:
Sect: 2 Thickness of Layer(m) : 1.39
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 67 33 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOMACEOUS MUD
Screen Lith : QUARTZ RICH MUDDY DIATOM OOZE
Leg : 67 Top/Bottom Interval(mm) : 50/1250 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 78.55 Age: QUATERNARY
Core: 5 Depth Bottom of Layer(m): 79.75 Age:
Sect: 3 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
========== ========= ======== ================ ============
25 40 33 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOMACEOUS MUD
Screen Lith : MUDDY DIATOM OOZE
Leg : 67 Top/Bottom Interval(mm) : 00/ 140 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 79.85 Age: QUATERNARY
Core: 5 Depth Bottom of Layer(m): 79.99 Age:
Sect: CC 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
========== ========= ======== ================ ============
25 40 33 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOMACEOUS MUD
Screen Lith : MUDDY DIATOM OOZE
Leg : 67 Top/Bottom Interval(mm) : 00/ 50 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 85.10 Age: QUATERNARY
Core: 6 Depth Bottom of Layer(m): 85.15 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
========== ========= ======== ================ ============
25 40 33 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOMACEOUS MUD
Screen Lith : MUDDY DIATOM OOZE
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 94.50 Age: QUATERNARY
Core: 7 Depth Bottom of Layer(m): 96.00 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
========== ========= ======== ================ ============
3 10 87 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOMACEOUS MUD
Screen Lith : CLAY MINERAL RICH ZEOLITE RICH PELAGIC CLAY
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 96.00 Age: QUATERNARY
Core: 7 Depth Bottom of Layer(m): 97.50 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 87 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOMACEOUS SILTY MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 97.50 Age: QUATERNARY
Core: 7 Depth Bottom of Layer(m): 99.00 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 87 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOMACEOUS SILTY MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 50 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 99.10 Age: QUATERNARY
Core: 7 Depth Bottom of Layer(m): 99.15 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 87 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOMACEOUS SILTY MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/1430 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 104.50 Age: QUATERNARY
Core: 8 Depth Bottom of Layer(m): 105.93 Age:
Sect: 1 Thickness of Layer(m) : 1.43
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
12 19 69 1.54/ 69 126
Processing Hist:
Shipboard Lith : DIATOMACEOUS MUDDY CLAY AND CLAYSTONE
Screen Lith : DETRITAL SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 106.00 Age: QUATERNARY
Core: 8 Depth Bottom of Layer(m): 107.50 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
========== ========= ======== ================ ============
4 30 66 1.53/ 70 145
Processing Hist: Classification was successful.
Shipboard Lith : DIATOMACEOUS MUDDY CLAY AND CLAYSTONE
Screen Lith : GLASS RICH ZEOLITE RICH PELAGIC CLAY
Leg : 67 Top/Bottom Interval(mm) : 00/ 100 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 107.60 Age: QUATERNARY
Core: 8 Depth Bottom of Layer(m): 107.70 Age:
Sect: CC Thickness of Layer(m) : 0.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
10 10 66 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOMACEOUS MUDDY CLAY AND CLAYSTONE
Screen Lith : PELAGIC CLAY
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 113.50 Age: QUATERNARY
Core: 9 Depth Bottom of Layer(m): 115.00 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
========== ========= ======== ================ ============
1 4 95 1.60/ 65 143
Processing Hist:
Shipboard Lith : DIATOMACEOUS MUDDY CLAY AND CLAYSTONE
Screen Lith : DETRITAL SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 00/ 630 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 115.00 Age: QUATERNARY
Core: 9 Depth Bottom of Layer(m): 115.63 Age:
Sect: 2 Thickness of Layer(m) : 0.63
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
1 7 92 1.67/ 62 49
Processing Hist: Classification was successful.
Shipboard Lith : SILTY MUD
Screen Lith : GLASS RICH CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 980/1200 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 115.98 Age: QUATERNARY
Core: 9 Depth Bottom of Layer(m): 116.20 Age:
Sect: 2 Thickness of Layer(m) : 0.22
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 92 1.52/ 71 13
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DIATOMACEOUS SILTY MUD
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 1210/1290 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 116.21 Age: QUATERNARY
Core: 9 Depth Bottom of Layer(m): 116.29 Age:
Sect: 2 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 92 1.54/ 69 8
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CONGLOMERATE
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 240/1500 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 116.74 Age: QUATERNARY
Core: 9 Depth Bottom of Layer(m): 118.00 Age:
Sect: 3 Thickness of Layer(m) : 1.26
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
3 19 78 /
Processing Hist: Classification was successful.
Shipboard Lith : MUD
Screen Lith : DIATOM RICH CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 180 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 118.00 Age: QUATERNARY
Core: 9 Depth Bottom of Layer(m): 118.18 Age:
Sect: 4 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 78 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : PEBBLY MUD
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 800/1330 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 123.80 Age: QUATERNARY
Core: 10 Depth Bottom of Layer(m): 124.33 Age:
Sect: 1 Thickness of Layer(m) : 0.53
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 3 97 /
Processing Hist: Classification was successful.
Shipboard Lith : HEMIPELAGIC MUD
Screen Lith : QUARTZ RICH CLAY MINERAL RICH SANDY MUD
Leg : 67 Top/Bottom Interval(mm) : 1380/1500 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 124.38 Age: QUATERNARY
Core: 10 Depth Bottom of Layer(m): 124.50 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 97 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : HEMIPELGIC MUD
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 530/1500 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 133.03 Age: QUATERNARY
Core: 11 Depth Bottom of Layer(m): 134.00 Age:
Sect: 1 Thickness of Layer(m) : 0.97
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 3 96 1.49/ 73 70
Processing Hist: Classification was successful.
Shipboard Lith : HEMIPELAGIC MUD
Screen Lith : GLASS RICH CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 20/1500 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 142.02 Age: QUATERNARY
Core: 12 Depth Bottom of Layer(m): 143.50 Age:
Sect: 1 Thickness of Layer(m) : 1.48
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 96 1.30/ 84 140
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILL BRECCIA
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1050 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 143.50 Age: QUATERNARY
Core: 12 Depth Bottom of Layer(m): 144.55 Age:
Sect: 2 Thickness of Layer(m) : 1.05
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 96 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : HEMIPELAGIC
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 250 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 144.67 Age: QUATERNARY
Core: 12 Depth Bottom of Layer(m): 144.92 Age:
Sect: CC Thickness of Layer(m) : 0.25
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 96 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILLING BRECCIA
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 1410/1500 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 152.91 Age: QUATERNARY
Core: 13 Depth Bottom of Layer(m): 153.00 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
========== ========= ======== ================ ============
40 25 96 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MICRITIC LIMESTONE
Screen Lith : LIMESTONE
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 161.00 Age: QUATERNARY
Core: 14 Depth Bottom of Layer(m): 162.50 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
========== ========= ======== ================ ============
0 0 96 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILLING BRECCIA
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 162.50 Age: QUATERNARY
Core: 14 Depth Bottom of Layer(m): 164.00 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 96 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILLING BRECCIA
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 600 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 164.00 Age: QUATERNARY
Core: 14 Depth Bottom of Layer(m): 164.60 Age:
Sect: 3 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 96 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILL BRECCIA
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 150 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 164.74 Age: QUATERNARY
Core: 14 Depth Bottom of Layer(m): 164.89 Age:
Sect: CC Thickness of Layer(m) : 0.15
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 96 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILL BRECCIA
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1170 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 170.50 Age: QUATERNARY
Core: 15 Depth Bottom of Layer(m): 171.67 Age:
Sect: 1 Thickness of Layer(m) : 1.17
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 96 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILL BRECCIA
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 1210/1500 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 173.21 Age: QUATERNARY
Core: 15 Depth Bottom of Layer(m): 173.50 Age:
Sect: 2 Thickness of Layer(m) : 0.29
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 96 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILL BRECCIA
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1280 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 173.50 Age: QUATERNARY
Core: 15 Depth Bottom of Layer(m): 174.78 Age:
Sect: 3 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
========== ========= ======== ================ ============
0 0 96 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILL BRECCIA
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 480 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 180.00 Age: QUATERNARY
Core: 16 Depth Bottom of Layer(m): 180.48 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
========== ========= ======== ================ ============
2 13 86 /
Processing Hist: Classification was successful.
Shipboard Lith : DIATOMACEOUS MUDDY CLAYSTONE
Screen Lith : GLAUCONITE RICH ZEOLITE RICH PELAGIC CLAYSTONE
Leg : 67 Top/Bottom Interval(mm) : 880/1500 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 180.88 Age: QUATERNARY
Core: 16 Depth Bottom of Layer(m): 181.50 Age:
Sect: 1 Thickness of Layer(m) : 0.62
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 86 1.53/ 70 59
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILL BRECCIA
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 860 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 181.50 Age: QUATERNARY
Core: 16 Depth Bottom of Layer(m): 182.36 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 86 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILL BRECCIA
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 100 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 182.46 Age: QUATERNARY
Core: 16 Depth Bottom of Layer(m): 182.56 Age:
Sect: CC Thickness of Layer(m) : 0.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 86 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILL BRECCIA
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1400 Age: QUATERNARY
Hole: 494A Depth Top of Layer(m) : 189.50 Age: QUATERNARY
Core: 17 Depth Bottom of Layer(m): 190.90 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
========== ========= ======== ================ ============
25 10 66 /
Processing Hist: Classification was successful.
Shipboard Lith : MUD
Screen Lith : GLASS RICH CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 494A Depth Top of Layer(m) : 191.00 Age: PLIOCENE
Core: 17 Depth Bottom of Layer(m): 192.50 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
========== ========= ======== ================ ============
10 3 87 1.56/ 68 139
Processing Hist: Classification was successful.
Shipboard Lith : SILTY MUD AND FRACTURED MUDSTONE
Screen Lith : GLASS RICH ZEOLITE RICH PELAGIC CLAY
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 494A Depth Top of Layer(m) : 199.00 Age: PLIOCENE
Core: 18 Depth Bottom of Layer(m): 200.50 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 13 86 1.63/ 64 143
Processing Hist: Classification was successful.
Shipboard Lith : ZEOLITIC GLASS RICH CLAY
Screen Lith : ZEOLITE RICH PELAGIC CLAY
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 494A Depth Top of Layer(m) : 200.50 Age: PLIOCENE
Core: 18 Depth Bottom of Layer(m): 202.00 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 86 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUD
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: PLIOCENE
Hole: 494A Depth Top of Layer(m) : 202.00 Age: PLIOCENE
Core: 18 Depth Bottom of Layer(m): 203.50 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 86 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUD
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1120 Age: PLIOCENE
Hole: 494A Depth Top of Layer(m) : 203.50 Age: PLIOCENE
Core: 18 Depth Bottom of Layer(m): 204.62 Age:
Sect: 4 Thickness of Layer(m) : 1.12
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 86 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUD
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 280 Age: PLIOCENE
Hole: 494A Depth Top of Layer(m) : 204.73 Age: PLIOCENE
Core: 18 Depth Bottom of Layer(m): 205.01 Age:
Sect: CC 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 86 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUD
Screen Lith : MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 210 Age: PLIOCENE
Hole: 494A Depth Top of Layer(m) : 208.50 Age: PLIOCENE
Core: 19 Depth Bottom of Layer(m): 208.71 Age:
Sect: 1 Thickness of Layer(m) : 0.21
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 5 95 1.30/ 84 7
Processing Hist: Classification was successful.
Shipboard Lith : PEBBLY MUD
Screen Lith : CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 220/1400 Age: PLIOCENE
Hole: 494A Depth Top of Layer(m) : 208.72 Age: PLIOCENE
Core: 19 Depth Bottom of Layer(m): 209.90 Age:
Sect: 1 Thickness of Layer(m) : 1.18
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 5 94 1.57/ 67 115
Processing Hist: Classification was successful.
Shipboard Lith : SANDY MUD
Screen Lith : GLASS RICH ZEOLITE RICH PELAGIC CLAY
Leg : 67 Top/Bottom Interval(mm) : 00/ 250 Age: PLIOCENE
Hole: 494A Depth Top of Layer(m) : 210.00 Age: PLIOCENE
Core: 19 Depth Bottom of Layer(m): 210.25 Age:
Sect: 2 Thickness of Layer(m) : 0.25
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
1 2 97 /
Processing Hist: Classification was successful.
Shipboard Lith : ZEOLITIC CLAY
Screen Lith : CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 260/ 590 Age: PLIOCENE
Hole: 494A Depth Top of Layer(m) : 210.26 Age: PLIOCENE
Core: 19 Depth Bottom of Layer(m): 210.59 Age:
Sect: 2 Thickness of Layer(m) : 0.33
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.70/ 59 32
Processing Hist:
Shipboard Lith : ZEOLITIC CLAY AND MUDSTONE
Screen Lith : CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 600/1170 Age: PLIOCENE
Hole: 494A Depth Top of Layer(m) : 210.60 Age: PLIOCENE
Core: 19 Depth Bottom of Layer(m): 211.17 Age:
Sect: 2 Thickness of Layer(m) : 0.57
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.71/ 59 56
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 700 Age: PLIOCENE
Hole: 494A Depth Top of Layer(m) : 218.00 Age: PLIOCENE
Core: 20 Depth Bottom of Layer(m): 218.70 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
========== ========= ======== ================ ============
7 6 87 1.63/ 64 63
Processing Hist: Classification was successful.
Shipboard Lith : SANDY SILTY MUDSTONE
Screen Lith : CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 710/ 780 Age: LOWER PLIOCENE
Hole: 494A Depth Top of Layer(m) : 218.71 Age: LOWER PLIOCENE
Core: 20 Depth Bottom of Layer(m): 218.78 Age:
Sect: 1 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
========== ========= ======== ================ ============
15 10 75 1.78/ 55 7
Processing Hist:
Shipboard Lith : SILTY SAND
Screen Lith : CLASTIC SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 790/1390 Age: LOWER PLIOCENE
Hole: 494A Depth Top of Layer(m) : 218.79 Age: LOWER PLIOCENE
Core: 20 Depth Bottom of Layer(m): 219.39 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 1.73/ 58 58
Processing Hist:
Shipboard Lith : SANDY SILT MUD
Screen Lith : CLASTIC SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 00/ 260 Age: LOWER PLIOCENE
Hole: 494A Depth Top of Layer(m) : 219.50 Age: LOWER PLIOCENE
Core: 20 Depth Bottom of Layer(m): 219.76 Age:
Sect: 2 Thickness of Layer(m) : 0.26
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.73/ 58 19
Processing Hist:
Shipboard Lith : SANDY MUD AND SILTY SAND
Screen Lith : CLASTIC SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 270/1500 Age: LOWER PLIOCENE
Hole: 494A Depth Top of Layer(m) : 219.77 Age: LOWER PLIOCENE
Core: 20 Depth Bottom of Layer(m): 221.00 Age:
Sect: 2 Thickness of Layer(m) : 1.23
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
1 1 98 1.71/ 59 120
Processing Hist: Classification was successful.
Shipboard Lith : SANDY MUDSTONE AND MUDDY SANDSTONE
Screen Lith : CLAY MINERAL RICH PYRITE RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PLIOCENE
Hole: 494A Depth Top of Layer(m) : 221.00 Age: LOWER PLIOCENE
Core: 20 Depth Bottom of Layer(m): 222.50 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
========== ========= ======== ================ ============
1 8 91 1.72/ 58 144
Processing Hist: Classification was successful.
Shipboard Lith : MUDSTONE AND SILTY SAND
Screen Lith : CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 720 Age: LOWER PLIOCENE
Hole: 494A Depth Top of Layer(m) : 222.50 Age: LOWER PLIOCENE
Core: 20 Depth Bottom of Layer(m): 223.22 Age:
Sect: 4 Thickness of Layer(m) : 0.72
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.75/ 57 70
Processing Hist:
Shipboard Lith : SLIGHTLY CALCAREOUS SAND SILTY MUDSTONE
Screen Lith : CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 730/1500 Age: MIOCENE
Hole: 494A Depth Top of Layer(m) : 223.23 Age: MIDDLE MIOCENE
Core: 20 Depth Bottom of Layer(m): 224.00 Age: LOWER MIOCENE
Sect: 4 Thickness of Layer(m) : 0.77
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
4 4 92 1.69/ 60 74
Processing Hist: Classification was successful.
Shipboard Lith : CLAY
Screen Lith : CLAY MINERAL RICH MUD
Leg : 67 Top/Bottom Interval(mm) : 00/ 150 Age: MIOCENE
Hole: 494A Depth Top of Layer(m) : 224.00 Age: MIDDLE MIOCENE
Core: 20 Depth Bottom of Layer(m): 224.15 Age: LOWER MIOCENE
Sect: 5 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
========== ========= ======== ================ ============
90 0 10 1.85/ 50 12
Processing Hist: Classification was successful.
Shipboard Lith : CLAY AND ASH
Screen Lith : CARBONATE OOZE
Leg : 67 Top/Bottom Interval(mm) : 160/ 700 Age: MIOCENE
Hole: 494A Depth Top of Layer(m) : 224.16 Age: MIDDLE MIOCENE
Core: 20 Depth Bottom of Layer(m): 224.70 Age: LOWER MIOCENE
Sect: 5 Thickness of Layer(m) : 0.54
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.65/ 63 53
Processing Hist:
Shipboard Lith : CLAYSTONE
Screen Lith : CALCAREOUS OOZE.
Leg : 67 Top/Bottom Interval(mm) : 00/ 350 Age: MIOCENE
Hole: 494A Depth Top of Layer(m) : 225.50 Age: MIDDLE MIOCENE
Core: 20 Depth Bottom of Layer(m): 225.85 Age: LOWER MIOCENE
Sect: 6 Thickness of Layer(m) : 0.35
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CALCAREOUS OOZE.
Leg : 67 Top/Bottom Interval(mm) : 00/ 100 Age: MIOCENE
Hole: 494A Depth Top of Layer(m) : 225.95 Age: MIDDLE MIOCENE
Core: 20 Depth Bottom of Layer(m): 226.05 Age: LOWER MIOCENE
Sect: CC Thickness of Layer(m) : 0.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MUDSTONE AND ASH
Screen Lith : CALCAREOUS OOZE.
Leg : 67 Top/Bottom Interval(mm) : 00/1320 Age: MIOCENE
Hole: 494A Depth Top of Layer(m) : 227.50 Age: MIDDLE MIOCENE
Core: 21 Depth Bottom of Layer(m): 228.82 Age: LOWER MIOCENE
Sect: 1 Thickness of Layer(m) : 1.32
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.45/ 75 125
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : CALCAREOUS OOZE.
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: MIOCENE
Hole: 494A Depth Top of Layer(m) : 229.00 Age: MIDDLE MIOCENE
Core: 21 Depth Bottom of Layer(m): 230.50 Age: LOWER MIOCENE
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 : CLAYSTONE
Screen Lith : INDURATED CARBONATE CHALK
Leg : 67 Top/Bottom Interval(mm) : 620/1100 Age: MIOCENE
Hole: 494A Depth Top of Layer(m) : 231.12 Age: MIDDLE MIOCENE
Core: 21 Depth Bottom of Layer(m): 231.60 Age: LOWER MIOCENE
Sect: 3 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 /
Processing Hist:
Shipboard Lith : CLAYSTONE
Screen Lith : INDURATED CARBONATE CHALK
Leg : 67 Top/Bottom Interval(mm) : 1110/1500 Age: MIOCENE
Hole: 494A Depth Top of Layer(m) : 231.61 Age: MIDDLE MIOCENE
Core: 21 Depth Bottom of Layer(m): 232.00 Age: LOWER MIOCENE
Sect: 3 Thickness of Layer(m) : 0.39
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : CLAY
Screen Lith : INDURATED CARBONATE CHALK
Leg : 67 Top/Bottom Interval(mm) : 00/ 50 Age: MIOCENE
Hole: 494A Depth Top of Layer(m) : 232.10 Age: MIDDLE MIOCENE
Core: 21 Depth Bottom of Layer(m): 232.15 Age: LOWER MIOCENE
Sect: CC Thickness of Layer(m) : 0.05
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : BRECCIA
Screen Lith : INDURATED CARBONATE CHALK
Leg : 67 Top/Bottom Interval(mm) : 350/1500 Age: TERTIARY
Hole: 494A Depth Top of Layer(m) : 237.35 Age: MIOCENE
Core: 22 Depth Bottom of Layer(m): 238.50 Age: OLIGOCENE
Sect: 1 Thickness of Layer(m) : 1.15
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
99 0 1 1.71/ 59 97
Processing Hist: Classification was successful.
Shipboard Lith : CLAYSTONE
Screen Lith : INDURATED CARBONATE CHALK
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: TERTIARY
Hole: 494A Depth Top of Layer(m) : 238.50 Age: MIOCENE
Core: 22 Depth Bottom of Layer(m): 240.00 Age: OLIGOCENE
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.73/ 58 143
Processing Hist:
Shipboard Lith : CLAYSTONE
Screen Lith : CALCAREOUS SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 00/ 420 Age: TERTIARY
Hole: 494A Depth Top of Layer(m) : 240.00 Age: MIOCENE
Core: 22 Depth Bottom of Layer(m): 240.42 Age: OLIGOCENE
Sect: 3 Thickness of Layer(m) : 0.42
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.38/ 79 1
Processing Hist:
Shipboard Lith : CLAYSTONE
Screen Lith : CALCAREOUS SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 430/1100 Age: MIDDLE MIOCENE
Hole: 494A Depth Top of Layer(m) : 240.43 Age: MIDDLE MIOCENE
Core: 22 Depth Bottom of Layer(m): 241.10 Age:
Sect: 3 Thickness of Layer(m) : 0.67
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 1.67/ 61 61
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CALCAREOUS SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 00/1300 Age: MIDDLE MIOCENE
Hole: 494A Depth Top of Layer(m) : 241.50 Age: MIDDLE MIOCENE
Core: 22 Depth Bottom of Layer(m): 242.80 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
========== ========= ======== ================ ============
55 1 44 1.65/ 63 101
Processing Hist: Classification was successful.
Shipboard Lith : CLAYSTONE
Screen Lith : CLAY MINERAL RICH MARLY NANNOFOSSIL LIMESTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 970 Age: MIDDLE MIOCENE
Hole: 494A Depth Top of Layer(m) : 246.50 Age: MIDDLE MIOCENE
Core: 23 Depth Bottom of Layer(m): 247.47 Age:
Sect: 1 Thickness of Layer(m) : 0.97
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 : SANDY MUDSTONE AND CLAYSTONE
Screen Lith : TRANSITIONAL CALCAREOUS SEDIMENT.
Leg : 67 Top/Bottom Interval(mm) : 980/1500 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 247.48 Age: MIDDLE EOCENE
Core: 23 Depth Bottom of Layer(m): 248.00 Age:
Sect: 1 Thickness of Layer(m) : 0.52
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
60 7 33 /
Processing Hist: Classification was successful.
Shipboard Lith : SILTSTONE
Screen Lith : CLAY MINERAL RICH NANNOFOSSIL LIMESTONE
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 248.00 Age: MIDDLE EOCENE
Core: 23 Depth Bottom of Layer(m): 249.50 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 33 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 490 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 249.50 Age: MIDDLE EOCENE
Core: 23 Depth Bottom of Layer(m): 249.99 Age:
Sect: 3 Thickness of Layer(m) : 0.49
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 33 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTSTONE AND CLAYSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 150 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 256.00 Age: MIDDLE EOCENE
Core: 24 Depth Bottom of Layer(m): 256.15 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 33 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALC SILTSTONE AND MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 160/1310 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 256.16 Age: MIDDLE EOCENE
Core: 24 Depth Bottom of Layer(m): 257.31 Age:
Sect: 1 Thickness of Layer(m) : 1.15
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 33 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUDSTONE AND SILTSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 1320/1500 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 257.32 Age: MIDDLE EOCENE
Core: 24 Depth Bottom of Layer(m): 257.50 Age:
Sect: 1 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 33 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYSTONE AND MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 790 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 257.50 Age: MIDDLE EOCENE
Core: 24 Depth Bottom of Layer(m): 258.29 Age:
Sect: 2 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 33 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 200 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 258.40 Age: MIDDLE EOCENE
Core: 24 Depth Bottom of Layer(m): 258.60 Age:
Sect: CC Thickness of Layer(m) : 0.20
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 33 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 265.50 Age: MIDDLE EOCENE
Core: 25 Depth Bottom of Layer(m): 267.00 Age:
Sect: 1 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 33 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : BRECCIA
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/1150 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 267.00 Age: MIDDLE EOCENE
Core: 25 Depth Bottom of Layer(m): 268.15 Age:
Sect: 2 Thickness of Layer(m) : 1.15
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 22 77 /
Processing Hist:
Shipboard Lith : BRECCIA
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 450/ 800 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 268.95 Age: MIDDLE EOCENE
Core: 25 Depth Bottom of Layer(m): 269.30 Age:
Sect: 3 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 77 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : BRECCIA
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 270.00 Age: MIDDLE EOCENE
Core: 25 Depth Bottom of Layer(m): 271.50 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
========== ========= ======== ================ ============
0 0 77 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : BRECCIA
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 420 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 271.50 Age: MIDDLE EOCENE
Core: 25 Depth Bottom of Layer(m): 271.92 Age:
Sect: 5 Thickness of Layer(m) : 0.42
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 77 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : BRECCIA
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 220 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 272.04 Age: MIDDLE EOCENE
Core: 25 Depth Bottom of Layer(m): 272.26 Age:
Sect: CC Thickness of Layer(m) : 0.22
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 77 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : BRECCIA
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 275.00 Age: MIDDLE EOCENE
Core: 26 Depth Bottom of Layer(m): 276.50 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
========== ========= ======== ================ ============
0 0 77 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILLING BRECCIA
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 276.50 Age: MIDDLE EOCENE
Core: 26 Depth Bottom of Layer(m): 278.00 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 77 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILLING BRECCIA
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 680 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 278.00 Age: MIDDLE EOCENE
Core: 26 Depth Bottom of Layer(m): 278.68 Age:
Sect: 3 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
========== ========= ======== ================ ============
0 0 77 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILLING BRECCIA
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 100 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 278.78 Age: MIDDLE EOCENE
Core: 26 Depth Bottom of Layer(m): 278.88 Age:
Sect: CC Thickness of Layer(m) : 0.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 77 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILLING BRECCIA
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 280 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 284.50 Age: MIDDLE EOCENE
Core: 27 Depth Bottom of Layer(m): 284.78 Age:
Sect: 1 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 77 1.30/ 83 24
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILL BRECCIA
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 290/1500 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 284.79 Age: MIDDLE EOCENE
Core: 27 Depth Bottom of Layer(m): 286.00 Age:
Sect: 1 Thickness of Layer(m) : 1.21
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
24 17 59 1.67/ 62 118
Processing Hist:
Shipboard Lith : NANNO FORAM SANDY MUD
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 530 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 286.00 Age: MIDDLE EOCENE
Core: 27 Depth Bottom of Layer(m): 286.53 Age:
Sect: 2 Thickness of Layer(m) : 0.53
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 16 85 /
Processing Hist:
Shipboard Lith : SILTY MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 287.50 Age: MIDDLE EOCENE
Core: 27 Depth Bottom of Layer(m): 289.00 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 85 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 150 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 289.10 Age: MIDDLE EOCENE
Core: 27 Depth Bottom of Layer(m): 289.25 Age:
Sect: CC Thickness of Layer(m) : 0.15
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 85 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILL BRECCIA
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/1010 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 294.00 Age: MIDDLE EOCENE
Core: 28 Depth Bottom of Layer(m): 295.01 Age:
Sect: 1 Thickness of Layer(m) : 1.01
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
28 0 72 1.41/ 77 32
Processing Hist: Classification was successful.
Shipboard Lith : DRILL BRECCIA
Screen Lith : CARBONATE RICH CLAY MINERAL RICH CLAYSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 540 Age: MAESTRICHTIAN
Hole: 494A Depth Top of Layer(m) : 303.00 Age: MAESTRICHTIAN
Core: 29 Depth Bottom of Layer(m): 303.54 Age:
Sect: 1 Thickness of Layer(m) : 0.54
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
21 27 52 1.69/ 61 51
Processing Hist: Classification was successful.
Shipboard Lith : SANDY CALCAREOUS MUDSTONE
Screen Lith : RADIOLARIA RICH CLAY MINERAL RICH MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 550/ 740 Age: MIDDLE EOCENE
Hole: 494A Depth Top of Layer(m) : 303.55 Age: MIDDLE EOCENE
Core: 29 Depth Bottom of Layer(m): 303.74 Age:
Sect: 1 Thickness of Layer(m) : 0.19
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 52 1.74/ 57 19
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUDDY SAND AND SANDY MUDSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 750/1280 Age: UPPER CRETACEOUS
Hole: 494A Depth Top of Layer(m) : 303.75 Age: UPPER CRETACEOUS
Core: 29 Depth Bottom of Layer(m): 304.28 Age:
Sect: 1 Thickness of Layer(m) : 0.53
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
33 32 35 1.76/ 56 51
Processing Hist: Classification was successful.
Shipboard Lith : SILICEOUS CALCAREOUS CHALK
Screen Lith : RADIOLARIA RICH MARLY CARBONATE LIMESTONE
Leg : 67 Top/Bottom Interval(mm) : 1290/1500 Age: UPPER CRETACEOUS
Hole: 494A Depth Top of Layer(m) : 304.29 Age: UPPER CRETACEOUS
Core: 29 Depth Bottom of Layer(m): 304.50 Age:
Sect: 1 Thickness of Layer(m) : 0.21
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 35 1.84/ 51 20
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAYSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 200 Age: UPPER CRETACEOUS
Hole: 494A Depth Top of Layer(m) : 304.50 Age: UPPER CRETACEOUS
Core: 29 Depth Bottom of Layer(m): 304.70 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
========== ========= ======== ================ ============
5 5 91 /
Processing Hist: Classification was successful.
Shipboard Lith : MUDSTONE
Screen Lith : CLAY MINERAL RICH MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 210/ 460 Age: UPPER CRETACEOUS
Hole: 494A Depth Top of Layer(m) : 304.71 Age: UPPER CRETACEOUS
Core: 29 Depth Bottom of Layer(m): 304.96 Age:
Sect: 2 Thickness of Layer(m) : 0.25
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 91 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : BLACK CLAYSTONE
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 200 Age: UPPER CRETACEOUS
Hole: 494A Depth Top of Layer(m) : 305.10 Age: UPPER CRETACEOUS
Core: 29 Depth Bottom of Layer(m): 305.30 Age:
Sect: CC Thickness of Layer(m) : 0.20
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 91 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILLING BRECCIA
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 580/1500 Age: MAESTRICHTIAN
Hole: 494A Depth Top of Layer(m) : 313.08 Age: MAESTRICHTIAN
Core: 30 Depth Bottom of Layer(m): 314.00 Age:
Sect: 1 Thickness of Layer(m) : 0.92
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
19 1 81 /
Processing Hist: Classification was successful.
Shipboard Lith : DRILLING BRECCIA
Screen Lith : CARBONATE RICH CLAY MINERAL RICH MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 180 Age: MAESTRICHTIAN
Hole: 494A Depth Top of Layer(m) : 314.10 Age: MAESTRICHTIAN
Core: 30 Depth Bottom of Layer(m): 314.28 Age:
Sect: CC 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 81 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILLING BRECCIA
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 130 Age:
Hole: 494A Depth Top of Layer(m) : 321.60 Age:
Core: 31 Depth Bottom of Layer(m): 321.73 Age:
Sect: CC Thickness of Layer(m) : 0.13
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 81 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILLING BRECCIA
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 110 Age:
Hole: 494A Depth Top of Layer(m) : 330.60 Age:
Core: 32 Depth Bottom of Layer(m): 330.71 Age:
Sect: CC 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
========== ========= ======== ================ ============
10 0 90 /
Processing Hist: Classification was successful.
Shipboard Lith : MUDDY CLAYSTONE
Screen Lith : CLAY MINERAL RICH MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 00/ 430 Age:
Hole: 494A Depth Top of Layer(m) : 339.60 Age:
Core: 33 Depth Bottom of Layer(m): 340.03 Age:
Sect: CC Thickness of Layer(m) : 0.43
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
13 2 85 /
Processing Hist:
Shipboard Lith : MUDDY CLAYSTONE
Screen Lith : CLASTIC STONE.
Leg : 67 Top/Bottom Interval(mm) : 1250/1500 Age:
Hole: 494A Depth Top of Layer(m) : 349.98 Age:
Core: 34 Depth Bottom of Layer(m): 350.23 Age:
Sect: CC Thickness of Layer(m) : 0.25
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 85 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILLING BRECCIA
Screen Lith : MUDSTONE
Leg : 67 Top/Bottom Interval(mm) : 1300/1500 Age:
Hole: 494A Depth Top of Layer(m) : 359.04 Age:
Core: 35 Depth Bottom of Layer(m): 359.24 Age:
Sect: CC Thickness of Layer(m) : 0.20
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 85 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY CLAY
Screen Lith : 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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