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Wilkens, Roy H; Christensen, Nikolas I; Slater, L (1983): (Table 1) Compressional-wave and shear-wave velocities and elastic constants from DSDP Legs 69 and 70. PANGAEA, https://doi.org/10.1594/PANGAEA.816583, Supplement to: Wilkens, RH et al. (1983): High-pressure seismic studies of Leg 69 and 70 basalts. In: Cann, JR; Langseth, MG; Honnorez, J; Von Herzen, RP; White, SM; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 69, 683-686, https://doi.org/10.2973/dsdp.proc.69.142.1983

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Abstract:
Shear-wave and compressional-wave velocities of 26 basalt samples collected at Site 504 during Deep Sea Drilling Project Legs 69 and 70 were measured at elevated confining pressures. The young basalts have higher velocities than average DSDP basalts, because of their lack of alteration. Measurements of sample porosity are combined with laboratory and in situ velocity measurements to yield estimates of total crustal porosity: 13% at the top of Layer 2, and very low porosity below a depth of 2.0 km.
Project(s):
Coverage:
Median Latitude: 1.400250 * Median Longitude: -83.745250 * South-bound Latitude: 1.226800 * West-bound Longitude: -83.788300 * North-bound Latitude: 1.920000 * East-bound Longitude: -83.730000
Date/Time Start: 1979-09-24T00:00:00 * Date/Time End: 1979-12-04T00:00:00
Minimum Elevation: -3507.0 m * Maximum Elevation: -3458.0 m
Event(s):
69-504A * Latitude: 1.226800 * Longitude: -83.732500 * Date/Time: 1979-09-24T00:00:00 * Elevation: -3458.0 m * Penetration: 277 m * Recovery: 207 m * Campaign: Leg69 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL)
69-504B * Latitude: 1.227200 * Longitude: -83.730200 * Date/Time: 1979-10-07T00:00:00 * Elevation: -3460.0 m * Penetration: 489 m * Recovery: 262 m * Campaign: Leg69 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL)
69-505B * Latitude: 1.920000 * Longitude: -83.788300 * Date/Time: 1979-09-29T00:00:00 * Elevation: -3507.0 m * Penetration: 178 m * Recovery: 6.8 m * Location: North Pacific/GRABEN * Campaign: Leg69 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 6 cores; 42 m cored; 0 m drilled; 16.3 % recovery
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Event labelEvent
2Latitude of eventLatitude
3Longitude of eventLongitude
4Elevation of eventElevationm
5Sample code/labelSample labelWilkens, Roy HODP sample designation
6Density, wet bulkWBDg/cm3Wilkens, Roy HMulti-Sensor Core Logger, GEOTEK
7PorosityPoros% volWilkens, Roy Hsee reference(s)
8PressurePbarWilkens, Roy Hsee reference(s)
9Velocity, compressional waveVpm/sWilkens, Roy Hsee reference(s)
10Velocity, shear waveVsm/sWilkens, Roy Hsee reference(s)
11Velocity, compressional/shear wave ratioVp/VsWilkens, Roy Hsee reference(s)
12Poisson's ratioPois rWilkens, Roy Hsee reference(s)
13Bulk modulusBulk modMPaWilkens, Roy H
14Shear modulusShear modMPaWilkens, Roy Hsee reference(s)
Size:
2320 data points

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