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Core Data from the Deep Sea Drilling Project
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PALEOCENE
Hole: 550B Depth Top of Layer(m) : 456.00 Age: LOWER PALEOCENE
Core: 1 Depth Bottom of Layer(m): 457.50 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
========== ========= ======== ================ ============
50 35 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PALEOCENE
Hole: 550B Depth Top of Layer(m) : 457.50 Age: LOWER PALEOCENE
Core: 1 Depth Bottom of Layer(m): 459.00 Age:
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
50 35 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PALEOCENE
Hole: 550B Depth Top of Layer(m) : 459.00 Age: LOWER PALEOCENE
Core: 1 Depth Bottom of Layer(m): 460.50 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
========== ========= ======== ================ ============
50 35 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PALEOCENE
Hole: 550B Depth Top of Layer(m) : 460.50 Age: LOWER PALEOCENE
Core: 1 Depth Bottom of Layer(m): 462.00 Age:
Sect: 4 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
50 35 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PALEOCENE
Hole: 550B Depth Top of Layer(m) : 462.00 Age: LOWER PALEOCENE
Core: 1 Depth Bottom of Layer(m): 463.50 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
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1040 Age: LOWER PALEOCENE
Hole: 550B Depth Top of Layer(m) : 463.50 Age: LOWER PALEOCENE
Core: 1 Depth Bottom of Layer(m): 464.54 Age:
Sect: 6 Thickness of Layer(m) : 1.04
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/ 250 Age: LOWER PALEOCENE
Hole: 550B Depth Top of Layer(m) : 464.72 Age: LOWER PALEOCENE
Core: 1 Depth Bottom of Layer(m): 464.97 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
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/ 260 Age: LOWER PALEOCENE
Hole: 550B Depth Top of Layer(m) : 465.50 Age: LOWER PALEOCENE
Core: 2 Depth Bottom of Layer(m): 465.76 Age:
Sect: 1 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 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : DRILLING MUD AND BRECCIA
Screen Lith : MUD
Leg : 80 Top/Bottom Interval(mm) : 260/1500 Age: LOWER PALEOCENE
Hole: 550B Depth Top of Layer(m) : 465.76 Age: LOWER PALEOCENE
Core: 2 Depth Bottom of Layer(m): 467.00 Age:
Sect: 1 Thickness of Layer(m) : 1.24
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
50 35 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: LOWER PALEOCENE
Hole: 550B Depth Top of Layer(m) : 467.00 Age: LOWER PALEOCENE
Core: 2 Depth Bottom of Layer(m): 468.50 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
========== ========= ======== ================ ============
50 35 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1270 Age: LOWER PALEOCENE
Hole: 550B Depth Top of Layer(m) : 468.50 Age: LOWER PALEOCENE
Core: 2 Depth Bottom of Layer(m): 469.77 Age:
Sect: 3 Thickness of Layer(m) : 1.27
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
50 35 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/ 160 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 469.87 Age: UPPER MAESTRICHTIAN
Core: 2 Depth Bottom of Layer(m): 470.03 Age:
Sect: CC 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
========== ========= ======== ================ ============
50 35 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 475.00 Age: UPPER MAESTRICHTIAN
Core: 3 Depth Bottom of Layer(m): 476.50 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
========== ========= ======== ================ ============
50 35 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1120 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 476.50 Age: UPPER MAESTRICHTIAN
Core: 3 Depth Bottom of Layer(m): 477.62 Age:
Sect: 2 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
========== ========= ======== ================ ============
50 35 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/ 200 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 477.73 Age: UPPER MAESTRICHTIAN
Core: 3 Depth Bottom of Layer(m): 477.93 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
========== ========= ======== ================ ============
50 35 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/ 380 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 484.50 Age: UPPER MAESTRICHTIAN
Core: 4 Depth Bottom of Layer(m): 484.88 Age:
Sect: 1 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
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 380/1050 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 484.88 Age: UPPER MAESTRICHTIAN
Core: 4 Depth Bottom of Layer(m): 485.55 Age:
Sect: 1 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
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 1050/1440 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 485.55 Age: UPPER MAESTRICHTIAN
Core: 4 Depth Bottom of Layer(m): 485.94 Age:
Sect: 1 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
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 1440/1500 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 485.94 Age: UPPER MAESTRICHTIAN
Core: 4 Depth Bottom of Layer(m): 486.00 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
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/ 550 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 486.00 Age: UPPER MAESTRICHTIAN
Core: 4 Depth Bottom of Layer(m): 486.55 Age:
Sect: 2 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
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/ 660 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 494.00 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 494.66 Age:
Sect: 1 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
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 660/1500 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 494.66 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 495.50 Age:
Sect: 1 Thickness of Layer(m) : 0.84
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/ 330 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 495.50 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 495.83 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
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 330/ 500 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 495.83 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 496.00 Age:
Sect: 2 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
========== ========= ======== ================ ============
0 0 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : TURBIDITE
Screen Lith : SANDY MUD
Leg : 80 Top/Bottom Interval(mm) : 500/ 850 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 496.00 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 496.35 Age:
Sect: 2 Thickness of Layer(m) : 0.35
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 850/1000 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 496.35 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 496.50 Age:
Sect: 2 Thickness of Layer(m) : 0.15
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : TURBIDITE
Screen Lith : SANDY MUD
Leg : 80 Top/Bottom Interval(mm) : 1000/1150 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 496.50 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 496.65 Age:
Sect: 2 Thickness of Layer(m) : 0.15
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 1150/1300 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 496.65 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 496.80 Age:
Sect: 2 Thickness of Layer(m) : 0.15
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : TURBIDITES
Screen Lith : SANDY MUD
Leg : 80 Top/Bottom Interval(mm) : 1300/1500 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 496.80 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 497.00 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
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/ 50 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 497.00 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 497.05 Age:
Sect: 3 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
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 50/ 100 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 497.05 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 497.10 Age:
Sect: 3 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 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : TURBIDITE
Screen Lith : SANDY MUD
Leg : 80 Top/Bottom Interval(mm) : 100/ 200 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 497.10 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 497.20 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 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 200/ 350 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 497.20 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 497.35 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 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : TURBIDITES
Screen Lith : SANDY MUD
Leg : 80 Top/Bottom Interval(mm) : 350/ 700 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 497.35 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 497.70 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
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 700/ 750 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 497.70 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 497.75 Age:
Sect: 3 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 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : TURBIDITE
Screen Lith : SANDY MUD
Leg : 80 Top/Bottom Interval(mm) : 750/1500 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 497.75 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 498.50 Age:
Sect: 3 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
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/ 650 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 498.50 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 499.15 Age:
Sect: 4 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
========== ========= ======== ================ ============
0 0 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : TURBIDITE
Screen Lith : SANDY MUD
Leg : 80 Top/Bottom Interval(mm) : 650/ 950 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 499.15 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 499.45 Age:
Sect: 4 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
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 950/1100 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 499.45 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 499.60 Age:
Sect: 4 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 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : TURBIDITE
Screen Lith : SANDY MUD
Leg : 80 Top/Bottom Interval(mm) : 1100/1500 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 499.60 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 500.00 Age:
Sect: 4 Thickness of Layer(m) : 0.40
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/ 220 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 500.00 Age: UPPER MAESTRICHTIAN
Core: 5 Depth Bottom of Layer(m): 500.22 Age:
Sect: 5 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
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/ 40 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 503.60 Age: UPPER MAESTRICHTIAN
Core: 6 Depth Bottom of Layer(m): 503.64 Age:
Sect: CC 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
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 513.00 Age: UPPER MAESTRICHTIAN
Core: 7 Depth Bottom of Layer(m): 514.50 Age:
Sect: 1 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 514.50 Age: UPPER MAESTRICHTIAN
Core: 7 Depth Bottom of Layer(m): 516.00 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
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/ 540 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 516.00 Age: UPPER MAESTRICHTIAN
Core: 7 Depth Bottom of Layer(m): 516.54 Age:
Sect: 3 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
========== ========= ======== ================ ============
40 25 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1240 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 522.50 Age: UPPER MAESTRICHTIAN
Core: 8 Depth Bottom of Layer(m): 523.74 Age:
Sect: 1 Thickness of Layer(m) : 1.24
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
50 35 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK
Leg : 80 Top/Bottom Interval(mm) : 1240/1500 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 523.74 Age: UPPER MAESTRICHTIAN
Core: 8 Depth Bottom of Layer(m): 524.00 Age:
Sect: 1 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 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : TURBIDITE
Screen Lith : SANDY MUD
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 524.00 Age: UPPER MAESTRICHTIAN
Core: 8 Depth Bottom of Layer(m): 525.50 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
========== ========= ======== ================ ============
50 35 46 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 525.50 Age: UPPER MAESTRICHTIAN
Core: 8 Depth Bottom of Layer(m): 527.00 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
========== ========= ======== ================ ============
95 0 5 /
Processing Hist: Classification was successful.
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1200 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 527.00 Age: UPPER MAESTRICHTIAN
Core: 8 Depth Bottom of Layer(m): 528.20 Age:
Sect: 4 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 /
Processing Hist:
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 1200/1500 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 528.20 Age: UPPER MAESTRICHTIAN
Core: 8 Depth Bottom of Layer(m): 528.50 Age:
Sect: 4 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 0 /
Processing Hist:
Shipboard Lith : TURBIDITE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 528.50 Age: UPPER MAESTRICHTIAN
Core: 8 Depth Bottom of Layer(m): 530.00 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 290 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 530.00 Age: UPPER MAESTRICHTIAN
Core: 8 Depth Bottom of Layer(m): 530.29 Age:
Sect: 6 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 0 /
Processing Hist:
Shipboard Lith : MARLY NANNOFOSSI CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 30 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 530.40 Age: UPPER MAESTRICHTIAN
Core: 8 Depth Bottom of Layer(m): 530.43 Age:
Sect: CC Thickness of Layer(m) : 0.03
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 : MARLY NANNOFOSSI CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 532.00 Age: UPPER MAESTRICHTIAN
Core: 9 Depth Bottom of Layer(m): 533.50 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 0 /
Processing Hist:
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 533.50 Age: UPPER MAESTRICHTIAN
Core: 9 Depth Bottom of Layer(m): 535.00 Age:
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
75 0 25 /
Processing Hist: Classification was successful.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 535.00 Age: UPPER MAESTRICHTIAN
Core: 9 Depth Bottom of Layer(m): 536.50 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 536.50 Age: UPPER MAESTRICHTIAN
Core: 9 Depth Bottom of Layer(m): 538.00 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 : MARLY NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 710 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 538.00 Age: UPPER MAESTRICHTIAN
Core: 9 Depth Bottom of Layer(m): 538.71 Age:
Sect: 5 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
========== ========= ======== ================ ============
84 0 16 /
Processing Hist: Classification was successful.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/ 230 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 538.82 Age: UPPER MAESTRICHTIAN
Core: 9 Depth Bottom of Layer(m): 539.05 Age:
Sect: CC 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1390 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 541.50 Age: UPPER MAESTRICHTIAN
Core: 10 Depth Bottom of Layer(m): 542.89 Age:
Sect: 1 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
========== ========= ======== ================ ============
42 0 0 /
Processing Hist:
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 700 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 544.50 Age: UPPER MAESTRICHTIAN
Core: 10 Depth Bottom of Layer(m): 545.20 Age:
Sect: 3 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 700/1300 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 545.20 Age: UPPER MAESTRICHTIAN
Core: 10 Depth Bottom of Layer(m): 545.80 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 0 /
Processing Hist:
Shipboard Lith : NANNOFOSSIL FORAM CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 1300/1500 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 545.80 Age: UPPER MAESTRICHTIAN
Core: 10 Depth Bottom of Layer(m): 546.00 Age:
Sect: 3 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 /
Processing Hist:
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 550 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 546.00 Age: UPPER MAESTRICHTIAN
Core: 10 Depth Bottom of Layer(m): 546.55 Age:
Sect: 4 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 550/ 850 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 546.55 Age: UPPER MAESTRICHTIAN
Core: 10 Depth Bottom of Layer(m): 546.85 Age:
Sect: 4 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 0 /
Processing Hist:
Shipboard Lith : SILTSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 850/1340 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 546.85 Age: UPPER MAESTRICHTIAN
Core: 10 Depth Bottom of Layer(m): 547.34 Age:
Sect: 4 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 0 /
Processing Hist:
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 940 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 547.50 Age: UPPER MAESTRICHTIAN
Core: 10 Depth Bottom of Layer(m): 548.44 Age:
Sect: 5 Thickness of Layer(m) : 0.94
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 : CALCAREOUS CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: UPPER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 551.00 Age: UPPER MAESTRICHTIAN
Core: 11 Depth Bottom of Layer(m): 552.50 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
========== ========= ======== ================ ============
82 0 0 /
Processing Hist:
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 200 Age: LOWER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 552.50 Age: LOWER MAESTRICHTIAN
Core: 11 Depth Bottom of Layer(m): 552.70 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 200/ 600 Age: LOWER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 552.70 Age: LOWER MAESTRICHTIAN
Core: 11 Depth Bottom of Layer(m): 553.10 Age:
Sect: 2 Thickness of Layer(m) : 0.40
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SAND
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 600/1180 Age: LOWER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 553.10 Age: LOWER MAESTRICHTIAN
Core: 11 Depth Bottom of Layer(m): 553.68 Age:
Sect: 2 Thickness of Layer(m) : 0.58
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 : CALCAREOUS CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 650 Age: LOWER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 554.00 Age: LOWER MAESTRICHTIAN
Core: 11 Depth Bottom of Layer(m): 554.65 Age:
Sect: 3 Thickness of Layer(m) : 0.65
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 650/1500 Age: LOWER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 554.65 Age: LOWER MAESTRICHTIAN
Core: 11 Depth Bottom of Layer(m): 555.50 Age:
Sect: 3 Thickness of Layer(m) : 0.85
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 550 Age: LOWER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 555.50 Age: LOWER MAESTRICHTIAN
Core: 11 Depth Bottom of Layer(m): 556.05 Age:
Sect: 4 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 190 Age: LOWER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 556.22 Age: LOWER MAESTRICHTIAN
Core: 11 Depth Bottom of Layer(m): 556.41 Age:
Sect: CC 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 0 /
Processing Hist:
Shipboard Lith : DRILLING GRAVEL
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: LOWER MAESTRICHTIAN
Hole: 550B Depth Top of Layer(m) : 560.50 Age: LOWER MAESTRICHTIAN
Core: 12 Depth Bottom of Layer(m): 562.00 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
========== ========= ======== ================ ============
85 0 0 /
Processing Hist:
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: UPPER SENONIAN
Hole: 550B Depth Top of Layer(m) : 562.00 Age: LOWER MAESTRICHTIAN
Core: 12 Depth Bottom of Layer(m): 563.50 Age: CAMPANIAN
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: UPPER SENONIAN
Hole: 550B Depth Top of Layer(m) : 563.50 Age: LOWER MAESTRICHTIAN
Core: 12 Depth Bottom of Layer(m): 565.00 Age: CAMPANIAN
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1380 Age: UPPER SENONIAN
Hole: 550B Depth Top of Layer(m) : 565.00 Age: LOWER MAESTRICHTIAN
Core: 12 Depth Bottom of Layer(m): 566.38 Age: CAMPANIAN
Sect: 4 Thickness of Layer(m) : 1.38
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 250 Age: UPPER SENONIAN
Hole: 550B Depth Top of Layer(m) : 566.48 Age: LOWER MAESTRICHTIAN
Core: 12 Depth Bottom of Layer(m): 566.73 Age: CAMPANIAN
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 0 /
Processing Hist:
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 150 Age: UPPER SENONIAN
Hole: 550B Depth Top of Layer(m) : 570.00 Age: LOWER MAESTRICHTIAN
Core: 13 Depth Bottom of Layer(m): 570.15 Age: CAMPANIAN
Sect: 0 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 : NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: UPPER SENONIAN
Hole: 550B Depth Top of Layer(m) : 570.15 Age: LOWER MAESTRICHTIAN
Core: 13 Depth Bottom of Layer(m): 571.65 Age: CAMPANIAN
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 0 /
Processing Hist:
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: UPPER SENONIAN
Hole: 550B Depth Top of Layer(m) : 571.65 Age: LOWER MAESTRICHTIAN
Core: 13 Depth Bottom of Layer(m): 573.15 Age: CAMPANIAN
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 500 Age: UPPER SENONIAN
Hole: 550B Depth Top of Layer(m) : 573.15 Age: LOWER MAESTRICHTIAN
Core: 13 Depth Bottom of Layer(m): 573.65 Age: CAMPANIAN
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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 500/1500 Age: UPPER SENONIAN
Hole: 550B Depth Top of Layer(m) : 573.65 Age: LOWER MAESTRICHTIAN
Core: 13 Depth Bottom of Layer(m): 574.65 Age: CAMPANIAN
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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: UPPER SENONIAN
Hole: 550B Depth Top of Layer(m) : 574.65 Age: LOWER MAESTRICHTIAN
Core: 13 Depth Bottom of Layer(m): 576.15 Age: CAMPANIAN
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 : MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 550B Depth Top of Layer(m) : 576.15 Age:
Core: 13 Depth Bottom of Layer(m): 577.65 Age:
Sect: 5 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age:
Hole: 550B Depth Top of Layer(m) : 577.65 Age:
Core: 13 Depth Bottom of Layer(m): 579.15 Age:
Sect: 6 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SILTY MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 320 Age:
Hole: 550B Depth Top of Layer(m) : 579.15 Age:
Core: 13 Depth Bottom of Layer(m): 579.47 Age:
Sect: 7 Thickness of Layer(m) : 0.32
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : SILTY MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: LOWER SENONIAN
Hole: 550B Depth Top of Layer(m) : 579.50 Age: SANTONIAN
Core: 14 Depth Bottom of Layer(m): 581.00 Age: CONIACIAN
Sect: 1 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
2 0 0 /
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: LOWER SENONIAN
Hole: 550B Depth Top of Layer(m) : 581.00 Age: SANTONIAN
Core: 14 Depth Bottom of Layer(m): 582.50 Age: CONIACIAN
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1360 Age: LOWER SENONIAN
Hole: 550B Depth Top of Layer(m) : 582.50 Age: SANTONIAN
Core: 14 Depth Bottom of Layer(m): 583.86 Age: CONIACIAN
Sect: 3 Thickness of Layer(m) : 1.36
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
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: LOWER SENONIAN
Hole: 550B Depth Top of Layer(m) : 584.00 Age: SANTONIAN
Core: 14 Depth Bottom of Layer(m): 585.50 Age: CONIACIAN
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 : MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 50 Age: LOWER SENONIAN
Hole: 550B Depth Top of Layer(m) : 585.50 Age: SANTONIAN
Core: 14 Depth Bottom of Layer(m): 585.55 Age: CONIACIAN
Sect: 5 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 : CALCAREOUS MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 50/ 100 Age: LOWER SENONIAN
Hole: 550B Depth Top of Layer(m) : 585.55 Age: SANTONIAN
Core: 14 Depth Bottom of Layer(m): 585.60 Age: CONIACIAN
Sect: 5 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 : MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 100/ 360 Age: LOWER SENONIAN
Hole: 550B Depth Top of Layer(m) : 585.60 Age: SANTONIAN
Core: 14 Depth Bottom of Layer(m): 585.86 Age: CONIACIAN
Sect: 5 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 /
Processing Hist:
Shipboard Lith : CALCAREOUS MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 360/ 540 Age: LOWER SENONIAN
Hole: 550B Depth Top of Layer(m) : 585.86 Age: SANTONIAN
Core: 14 Depth Bottom of Layer(m): 586.04 Age: CONIACIAN
Sect: 5 Thickness of Layer(m) : 0.18
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 540/ 700 Age: LOWER SENONIAN
Hole: 550B Depth Top of Layer(m) : 586.04 Age: SANTONIAN
Core: 14 Depth Bottom of Layer(m): 586.20 Age: CONIACIAN
Sect: 5 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 /
Processing Hist:
Shipboard Lith : CALCAREOUS MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 700/ 800 Age: LOWER SENONIAN
Hole: 550B Depth Top of Layer(m) : 586.20 Age: SANTONIAN
Core: 14 Depth Bottom of Layer(m): 586.30 Age: CONIACIAN
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 0 /
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 800/ 880 Age: LOWER SENONIAN
Hole: 550B Depth Top of Layer(m) : 586.30 Age: SANTONIAN
Core: 14 Depth Bottom of Layer(m): 586.38 Age: CONIACIAN
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 0 /
Processing Hist:
Shipboard Lith : MARLY CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 880/1500 Age: LOWER SENONIAN
Hole: 550B Depth Top of Layer(m) : 586.38 Age: SANTONIAN
Core: 14 Depth Bottom of Layer(m): 587.00 Age: CONIACIAN
Sect: 5 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 0 /
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 200 Age: LOWER SENONIAN
Hole: 550B Depth Top of Layer(m) : 587.00 Age: SANTONIAN
Core: 14 Depth Bottom of Layer(m): 587.20 Age: CONIACIAN
Sect: 6 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 /
Processing Hist:
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 300 Age: LOWER SENONIAN
Hole: 550B Depth Top of Layer(m) : 587.32 Age: SANTONIAN
Core: 14 Depth Bottom of Layer(m): 587.62 Age: CONIACIAN
Sect: CC 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 0 /
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: LOWER SENONIAN
Hole: 550B Depth Top of Layer(m) : 589.00 Age: SANTONIAN
Core: 15 Depth Bottom of Layer(m): 590.50 Age: CONIACIAN
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 0 /
Processing Hist:
Shipboard Lith : CALCAREOUS MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: LOWER SENONIAN
Hole: 550B Depth Top of Layer(m) : 590.50 Age: SANTONIAN
Core: 15 Depth Bottom of Layer(m): 592.00 Age: CONIACIAN
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1200 Age: LOWER SENONIAN
Hole: 550B Depth Top of Layer(m) : 592.00 Age: SANTONIAN
Core: 15 Depth Bottom of Layer(m): 593.20 Age: CONIACIAN
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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 850 Age: LOWER SENONIAN
Hole: 550B Depth Top of Layer(m) : 593.50 Age: SANTONIAN
Core: 15 Depth Bottom of Layer(m): 594.35 Age: CONIACIAN
Sect: 4 Thickness of Layer(m) : 0.85
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 850/1500 Age: LOWER SENONIAN
Hole: 550B Depth Top of Layer(m) : 594.35 Age: SANTONIAN
Core: 15 Depth Bottom of Layer(m): 595.00 Age: CONIACIAN
Sect: 4 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : CALCAREOUS MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 200 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 595.00 Age: MIDDLE CENOMANIAN
Core: 15 Depth Bottom of Layer(m): 595.20 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 0 /
Processing Hist:
Shipboard Lith : CALCAREOUS MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 200/ 450 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 595.20 Age: MIDDLE CENOMANIAN
Core: 15 Depth Bottom of Layer(m): 595.45 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 450/ 700 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 595.45 Age: MIDDLE CENOMANIAN
Core: 15 Depth Bottom of Layer(m): 595.70 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : CALCAREOUS MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 700/ 850 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 595.70 Age: MIDDLE CENOMANIAN
Core: 15 Depth Bottom of Layer(m): 595.85 Age:
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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 850/1030 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 595.85 Age: MIDDLE CENOMANIAN
Core: 15 Depth Bottom of Layer(m): 596.03 Age:
Sect: 5 Thickness of Layer(m) : 0.18
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : CALCAREOUS MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 1030/1210 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 596.03 Age: MIDDLE CENOMANIAN
Core: 15 Depth Bottom of Layer(m): 596.21 Age:
Sect: 5 Thickness of Layer(m) : 0.18
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 1210/1500 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 596.21 Age: MIDDLE CENOMANIAN
Core: 15 Depth Bottom of Layer(m): 596.50 Age:
Sect: 5 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 0 /
Processing Hist:
Shipboard Lith : CALCAREOUS MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 440 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 596.50 Age: MIDDLE CENOMANIAN
Core: 15 Depth Bottom of Layer(m): 596.94 Age:
Sect: 6 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
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MARLY CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 440/ 550 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 596.94 Age: MIDDLE CENOMANIAN
Core: 15 Depth Bottom of Layer(m): 597.05 Age:
Sect: 6 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 /
Processing Hist:
Shipboard Lith : CALCAREOUS MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 550/ 760 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 597.05 Age: MIDDLE CENOMANIAN
Core: 15 Depth Bottom of Layer(m): 597.26 Age:
Sect: 6 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 0 /
Processing Hist:
Shipboard Lith : MARLY CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 760/ 950 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 597.26 Age: MIDDLE CENOMANIAN
Core: 15 Depth Bottom of Layer(m): 597.45 Age:
Sect: 6 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 0 /
Processing Hist:
Shipboard Lith : CALCAREOUS MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 950/1190 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 597.45 Age: MIDDLE CENOMANIAN
Core: 15 Depth Bottom of Layer(m): 597.69 Age:
Sect: 6 Thickness of Layer(m) : 0.24
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 : MARLY CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 598.50 Age: MIDDLE CENOMANIAN
Core: 16 Depth Bottom of Layer(m): 600.00 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
========== ========= ======== ================ ============
74 0 0 /
Processing Hist:
Shipboard Lith : CALCAREOUS MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 600.00 Age: MIDDLE CENOMANIAN
Core: 16 Depth Bottom of Layer(m): 601.50 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 0 /
Processing Hist:
Shipboard Lith : CALCAREOUS MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 601.50 Age: MIDDLE CENOMANIAN
Core: 16 Depth Bottom of Layer(m): 603.00 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 0 /
Processing Hist:
Shipboard Lith : CALCAREOUS MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 220 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 603.00 Age: MIDDLE CENOMANIAN
Core: 16 Depth Bottom of Layer(m): 603.22 Age:
Sect: 4 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 0 /
Processing Hist:
Shipboard Lith : CALCAREOUS MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 160 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 603.32 Age: MIDDLE CENOMANIAN
Core: 16 Depth Bottom of Layer(m): 603.48 Age:
Sect: CC 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 /
Processing Hist:
Shipboard Lith : CALCAREOUS MUDSTONE
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 608.00 Age: MIDDLE CENOMANIAN
Core: 17 Depth Bottom of Layer(m): 609.50 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
========== ========= ======== ================ ============
64 0 0 /
Processing Hist:
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 609.50 Age: MIDDLE CENOMANIAN
Core: 17 Depth Bottom of Layer(m): 611.00 Age:
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 611.00 Age: MIDDLE CENOMANIAN
Core: 17 Depth Bottom of Layer(m): 612.50 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 612.50 Age: MIDDLE CENOMANIAN
Core: 17 Depth Bottom of Layer(m): 614.00 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 : MARLY NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1400 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 614.00 Age: MIDDLE CENOMANIAN
Core: 17 Depth Bottom of Layer(m): 615.40 Age:
Sect: 5 Thickness of Layer(m) : 1.40
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 617.00 Age: MIDDLE CENOMANIAN
Core: 18 Depth Bottom of Layer(m): 618.50 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
========== ========= ======== ================ ============
80 0 20 /
Processing Hist: Classification was successful.
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 618.50 Age: MIDDLE CENOMANIAN
Core: 18 Depth Bottom of Layer(m): 620.00 Age:
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 620.00 Age: MIDDLE CENOMANIAN
Core: 18 Depth Bottom of Layer(m): 621.50 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1420 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 621.50 Age: MIDDLE CENOMANIAN
Core: 18 Depth Bottom of Layer(m): 622.92 Age:
Sect: 4 Thickness of Layer(m) : 1.42
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist:
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/ 250 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 626.28 Age: MIDDLE CENOMANIAN
Core: 19 Depth Bottom of Layer(m): 626.53 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 0 /
Processing Hist:
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: MIDDLE CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 635.00 Age: MIDDLE CENOMANIAN
Core: 20 Depth Bottom of Layer(m): 636.50 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
========== ========= ======== ================ ============
41 0 0 /
Processing Hist:
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : CHALK.
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 636.50 Age: MIDDLE CENOMANIAN
Core: 20 Depth Bottom of Layer(m): 638.00 Age: LOWER CENOMANIAN
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
========== ========= ======== ================ ============
80 0 20 /
Processing Hist: Classification was successful.
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : FORAMINIFERA RICH NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1350 Age: CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 638.00 Age: MIDDLE CENOMANIAN
Core: 20 Depth Bottom of Layer(m): 639.35 Age: LOWER CENOMANIAN
Sect: 3 Thickness of Layer(m) : 1.35
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 639.50 Age: MIDDLE CENOMANIAN
Core: 20 Depth Bottom of Layer(m): 641.00 Age: LOWER CENOMANIAN
Sect: 4 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 641.00 Age: MIDDLE CENOMANIAN
Core: 20 Depth Bottom of Layer(m): 642.50 Age: LOWER CENOMANIAN
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
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/ 360 Age: CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 642.50 Age: MIDDLE CENOMANIAN
Core: 20 Depth Bottom of Layer(m): 642.86 Age: LOWER CENOMANIAN
Sect: 6 Thickness of Layer(m) : 0.36
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/ 110 Age: CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 642.96 Age: MIDDLE CENOMANIAN
Core: 20 Depth Bottom of Layer(m): 643.07 Age: LOWER CENOMANIAN
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
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 644.00 Age: MIDDLE CENOMANIAN
Core: 21 Depth Bottom of Layer(m): 645.50 Age: LOWER CENOMANIAN
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
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : NANNOFOSSIL CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: LOWER CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 645.50 Age: LOWER CENOMANIAN
Core: 21 Depth Bottom of Layer(m): 647.00 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
========== ========= ======== ================ ============
40 25 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: LOWER CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 647.00 Age: LOWER CENOMANIAN
Core: 21 Depth Bottom of Layer(m): 648.50 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
40 25 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: LOWER CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 648.50 Age: LOWER CENOMANIAN
Core: 21 Depth Bottom of Layer(m): 650.00 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
========== ========= ======== ================ ============
40 25 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1200 Age: LOWER CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 650.00 Age: LOWER CENOMANIAN
Core: 21 Depth Bottom of Layer(m): 651.20 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
========== ========= ======== ================ ============
40 25 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1450 Age: LOWER CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 651.50 Age: LOWER CENOMANIAN
Core: 21 Depth Bottom of Layer(m): 652.95 Age:
Sect: 6 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
========== ========= ======== ================ ============
40 25 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY NANNOFOSSIL CHALK
Screen Lith : MARLY NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: LOWER CENOMANIAN
Hole: 550B Depth Top of Layer(m) : 653.00 Age: LOWER CENOMANIAN
Core: 22 Depth Bottom of Layer(m): 654.50 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
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: CRETACEOUS
Hole: 550B Depth Top of Layer(m) : 654.50 Age: LOWER CENOMANIAN
Core: 22 Depth Bottom of Layer(m): 656.00 Age: UPPER ALBIAN
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: CRETACEOUS
Hole: 550B Depth Top of Layer(m) : 656.00 Age: LOWER CENOMANIAN
Core: 22 Depth Bottom of Layer(m): 657.50 Age: UPPER ALBIAN
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
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: CRETACEOUS
Hole: 550B Depth Top of Layer(m) : 657.50 Age: LOWER CENOMANIAN
Core: 22 Depth Bottom of Layer(m): 659.00 Age: UPPER ALBIAN
Sect: 4 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: CRETACEOUS
Hole: 550B Depth Top of Layer(m) : 659.00 Age: LOWER CENOMANIAN
Core: 22 Depth Bottom of Layer(m): 660.50 Age: UPPER ALBIAN
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
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: CRETACEOUS
Hole: 550B Depth Top of Layer(m) : 660.50 Age: LOWER CENOMANIAN
Core: 22 Depth Bottom of Layer(m): 662.00 Age: UPPER ALBIAN
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
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/ 450 Age: CRETACEOUS
Hole: 550B Depth Top of Layer(m) : 662.00 Age: LOWER CENOMANIAN
Core: 22 Depth Bottom of Layer(m): 662.45 Age: UPPER ALBIAN
Sect: 7 Thickness of Layer(m) : 0.45
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1150 Age: CRETACEOUS
Hole: 550B Depth Top of Layer(m) : 662.00 Age: LOWER CENOMANIAN
Core: 23 Depth Bottom of Layer(m): 663.15 Age: UPPER ALBIAN
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
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK
Leg : 80 Top/Bottom Interval(mm) : 1150/1280 Age: CRETACEOUS
Hole: 550B Depth Top of Layer(m) : 663.15 Age: LOWER CENOMANIAN
Core: 23 Depth Bottom of Layer(m): 663.28 Age: UPPER ALBIAN
Sect: 1 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 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS BLACK SHALE
Screen Lith : MUDSTONE
Leg : 80 Top/Bottom Interval(mm) : 1280/1500 Age: CRETACEOUS
Hole: 550B Depth Top of Layer(m) : 663.28 Age: LOWER CENOMANIAN
Core: 23 Depth Bottom of Layer(m): 663.50 Age: UPPER ALBIAN
Sect: 1 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
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: CRETACEOUS
Hole: 550B Depth Top of Layer(m) : 663.50 Age: LOWER CENOMANIAN
Core: 23 Depth Bottom of Layer(m): 665.00 Age: UPPER ALBIAN
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: CRETACEOUS
Hole: 550B Depth Top of Layer(m) : 665.00 Age: LOWER CENOMANIAN
Core: 23 Depth Bottom of Layer(m): 666.50 Age: UPPER ALBIAN
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
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1080 Age: CRETACEOUS
Hole: 550B Depth Top of Layer(m) : 666.50 Age: LOWER CENOMANIAN
Core: 23 Depth Bottom of Layer(m): 667.58 Age: UPPER ALBIAN
Sect: 4 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
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: CRETACEOUS
Hole: 550B Depth Top of Layer(m) : 671.00 Age: LOWER CENOMANIAN
Core: 24 Depth Bottom of Layer(m): 672.50 Age: UPPER ALBIAN
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
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: UPPER ALBIAN
Hole: 550B Depth Top of Layer(m) : 672.50 Age: UPPER ALBIAN
Core: 24 Depth Bottom of Layer(m): 674.00 Age:
Sect: 2 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1310 Age: UPPER ALBIAN
Hole: 550B Depth Top of Layer(m) : 674.00 Age: UPPER ALBIAN
Core: 24 Depth Bottom of Layer(m): 675.31 Age:
Sect: 3 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
========== ========= ======== ================ ============
40 25 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY CALCAREOUS CHALK
Screen Lith : MARLY CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/ 240 Age: UPPER ALBIAN
Hole: 550B Depth Top of Layer(m) : 675.41 Age: UPPER ALBIAN
Core: 24 Depth Bottom of Layer(m): 675.65 Age:
Sect: CC Thickness of Layer(m) : 0.24
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
50 35 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CALCAREOUS CHALK
Screen Lith : CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: UPPER ALBIAN
Hole: 550B Depth Top of Layer(m) : 680.00 Age: UPPER ALBIAN
Core: 25 Depth Bottom of Layer(m): 681.50 Age:
Sect: 1 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
40 25 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY CALCAREOUS CHALK
Screen Lith : MARLY CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: UPPER ALBIAN
Hole: 550B Depth Top of Layer(m) : 681.50 Age: UPPER ALBIAN
Core: 25 Depth Bottom of Layer(m): 683.00 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
========== ========= ======== ================ ============
40 25 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY CALCAREOUS CHALK
Screen Lith : MARLY CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/1500 Age: UPPER ALBIAN
Hole: 550B Depth Top of Layer(m) : 683.00 Age: UPPER ALBIAN
Core: 25 Depth Bottom of Layer(m): 684.50 Age:
Sect: 3 Thickness of Layer(m) : 1.50
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
40 25 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY CALCAREOUS CHALK
Screen Lith : MARLY CHALK
Leg : 80 Top/Bottom Interval(mm) : 00/ 100 Age: UPPER ALBIAN
Hole: 550B Depth Top of Layer(m) : 684.50 Age: UPPER ALBIAN
Core: 25 Depth Bottom of Layer(m): 684.60 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
========== ========= ======== ================ ============
40 25 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY CALCAREOUS CHALK
Screen Lith : MARLY CHALK
Leg : 80 Top/Bottom Interval(mm) : 100/ 200 Age: UPPER ALBIAN
Hole: 550B Depth Top of Layer(m) : 684.60 Age: UPPER ALBIAN
Core: 25 Depth Bottom of Layer(m): 684.70 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 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYSTONE
Screen Lith : CLAYSTONE
Leg : 80 Top/Bottom Interval(mm) : 200/ 890 Age: UPPER ALBIAN
Hole: 550B Depth Top of Layer(m) : 684.70 Age: UPPER ALBIAN
Core: 25 Depth Bottom of Layer(m): 685.39 Age:
Sect: 4 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
========== ========= ======== ================ ============
40 25 20 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MARLY CALCAREOUS CHALK
Screen Lith : MARLY CHALK
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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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