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Core Data from the Deep Sea Drilling Project
Leg : 69 Top/Bottom Interval(mm) : 00/ 320 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 226.50 Age: UPPER MIOCENE
Core: 1 Depth Bottom of Layer(m): 226.82 Age:
Sect: 1 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
========== ========= ======== ================ ============
50 35 3 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : MUD
Screen Lith : NANNOFOSSIL OOZE
Leg : 69 Top/Bottom Interval(mm) : 330/ 490 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 226.83 Age: UPPER MIOCENE
Core: 1 Depth Bottom of Layer(m): 226.99 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
========== ========= ======== ================ ============
87 15 0 /
Processing Hist: Classification was successful.
Shipboard Lith : NANNO CHALK
Screen Lith : NANNOFOSSIL CHALK
Leg : 69 Top/Bottom Interval(mm) : 00/ 200 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 227.10 Age: UPPER MIOCENE
Core: 1 Depth Bottom of Layer(m): 227.30 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
========== ========= ======== ================ ============
35 50 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERT
Screen Lith : CHERT
Leg : 69 Top/Bottom Interval(mm) : 00/ 220 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 236.10 Age: UPPER MIOCENE
Core: 2 Depth Bottom of Layer(m): 236.32 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
========== ========= ======== ================ ============
40 25 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : LIMESTONE
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 00/ 100 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 245.50 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 245.60 Age:
Sect: 1 Thickness of Layer(m) : 0.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
40 25 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : LIMESTONE
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 110/ 160 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 245.61 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 245.66 Age:
Sect: 1 Thickness of Layer(m) : 0.05
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
40 25 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILICIFIED LIMESTONE
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 170/ 470 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 245.67 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 245.97 Age:
Sect: 1 Thickness of Layer(m) : 0.30
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
50 35 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHALK
Screen Lith : CHALK
Leg : 69 Top/Bottom Interval(mm) : 520/ 650 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 246.02 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 246.15 Age:
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
========== ========= ======== ================ ============
40 25 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : LIMESTONE
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 660/ 800 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 246.16 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 246.30 Age:
Sect: 1 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
========== ========= ======== ================ ============
50 35 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHALK
Screen Lith : CHALK
Leg : 69 Top/Bottom Interval(mm) : 810/1000 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 246.31 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 246.50 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
========== ========= ======== ================ ============
40 25 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILICIFIED LIMESTONE
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 1010/1100 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 246.51 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 246.60 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 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERTY LIMESTONE
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 1110/1250 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 246.61 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 246.75 Age:
Sect: 1 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
========== ========= ======== ================ ============
35 50 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERT
Screen Lith : CHERT
Leg : 69 Top/Bottom Interval(mm) : 1260/1350 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 246.76 Age: UPPER MIOCENE
Core: 3 Depth Bottom of Layer(m): 246.85 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 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERTY LIMESTONE
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 30/ 60 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 255.03 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 255.06 Age:
Sect: 1 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
========== ========= ======== ================ ============
40 25 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILICIFIED CHERTY LIMESTONE
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 70/ 140 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 255.07 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 255.14 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
========== ========= ======== ================ ============
40 25 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : LIMESTONE
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 150/ 230 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 255.15 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 255.23 Age:
Sect: 1 Thickness of Layer(m) : 0.08
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
40 25 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILICIFIED LIMESTONE
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 240/ 340 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 255.24 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 255.34 Age:
Sect: 1 Thickness of Layer(m) : 0.10
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
40 25 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : LIMESTONE
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 350/ 360 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 255.35 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 255.36 Age:
Sect: 1 Thickness of Layer(m) : 0.01
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
40 25 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILICIFIED LIMESTONE
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 370/ 540 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 255.37 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 255.54 Age:
Sect: 1 Thickness of Layer(m) : 0.17
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
40 25 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : LIMESTONE
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 550/ 580 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 255.55 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 255.58 Age:
Sect: 1 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
========== ========= ======== ================ ============
40 25 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERTY LIMESTONE
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 590/ 620 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 255.59 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 255.62 Age:
Sect: 1 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
========== ========= ======== ================ ============
40 25 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : LIMESTONE
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 630/ 650 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 255.63 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 255.65 Age:
Sect: 1 Thickness of Layer(m) : 0.02
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
50 35 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHALK
Screen Lith : CHALK
Leg : 69 Top/Bottom Interval(mm) : 660/ 750 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 255.66 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 255.75 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 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILICIFIED LIMESTONE
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 760/1040 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 255.76 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 256.04 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
========== ========= ======== ================ ============
40 25 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : LIMESTONE WITH CHERT
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 1050/1130 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 256.05 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 256.13 Age:
Sect: 1 Thickness of Layer(m) : 0.08
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
40 25 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILICIFIED LIMESTONE
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 1140/1180 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 256.14 Age: UPPER MIOCENE
Core: 4 Depth Bottom of Layer(m): 256.18 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
========== ========= ======== ================ ============
35 50 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERT
Screen Lith : CHERT
Leg : 69 Top/Bottom Interval(mm) : 20/ 80 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 261.02 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 261.08 Age:
Sect: 1 Thickness of Layer(m) : 0.06
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
40 25 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : LIMESTONE
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 90/ 180 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 261.09 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 261.18 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 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILICEOUS LIMESTONE
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 190/ 280 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 261.19 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 261.28 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 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERTY LIMESTONE
Screen Lith : LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 300/ 340 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 261.30 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 261.34 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
========== ========= ======== ================ ============
40 25 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERTY LIMESTONE
Screen Lith : OTHER SILICEOUS RICH LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 350/ 440 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 261.35 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 261.44 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
========== ========= ======== ================ ============
35 50 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERT
Screen Lith : CHERT
Leg : 69 Top/Bottom Interval(mm) : 450/ 750 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 261.45 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 261.75 Age:
Sect: 1 Thickness of Layer(m) : 0.30
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
40 25 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERTY LIMESTONE
Screen Lith : OTHER SILICEOUS RICH LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 770/ 830 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 261.77 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 261.83 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 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : LIMESTONE AND CHERT
Screen Lith : OTHER SILICEOUS RICH LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 850/ 960 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 261.85 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 261.96 Age:
Sect: 1 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
========== ========= ======== ================ ============
40 25 0 /
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CHERTY LIMESTONE
Screen Lith : OTHER SILICEOUS RICH LIMESTONE
Leg : 69 Top/Bottom Interval(mm) : 980/1150 Age: UPPER MIOCENE
Hole: 504A Depth Top of Layer(m) : 261.98 Age: UPPER MIOCENE
Core: 5 Depth Bottom of Layer(m): 262.15 Age:
Sect: 1 Thickness of Layer(m) : 0.17
Average Percent G.R.A.P.E. Avg # G.R.A.P.E.
Calcareous Siliceous Detrital Density/Porosity meas Avg'd
========== ========= ======== ================ ============
0 0 0 /
Processing Hist: Classification failed; no smear slide data exists.
Shipboard Lith : BASALT
Screen Lith : BASALT
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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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