Screaton, Elizabeth J; Hays, Troy; Gamage, Kusali; Martin, Jennifer (2006): Permeabilities, grain size and carbon composition of sediments from ODP Hole 170-1040C and two Leg 205 holes. PANGAEA, https://doi.org/10.1594/PANGAEA.775480, Supplement to: Screaton, EJ et al. (2006): Data report: Permeabilities of Costa Rica subduction zone sediments. In: Morris, JD; Villinger, HW; Klaus, A (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 205, 1-13, https://doi.org/10.2973/odp.proc.sr.205.204.2006
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Constant-pressure difference and constant-flow permeability tests were conducted on core samples from Ocean Drilling Program Legs 170 and 205 from the Costa Rica subduction zone representing pelagic carbonate and hemipelagic mud lithologies. Seven whole-round core samples from Sites 1040, 1253, and 1255 were tested for vertical permeabilities. The permeabilities of the pelagic carbonate sediments range from ~4 x 10**-16 to ~1 x 10**-15 m**2. The permeabilities of the hemipelagic mud sediments vary from ~2 x 10**-18 to ~4 x 10**-18 m**2. To further characterize the sediments, grain size, total carbon, and total inorganic carbon analyses were conducted.
Median Latitude: 9.654791 * Median Longitude: -86.184667 * South-bound Latitude: 9.647630 * West-bound Longitude: -86.190560 * North-bound Latitude: 9.661650 * East-bound Longitude: -86.178900
Date/Time Start: 1996-11-11T05:30:00 * Date/Time End: 2002-10-26T00:00:00
170-1040C * Latitude: 9.661600 * Longitude: -86.178900 * Date/Time Start: 1996-11-11T05:30:00 * Date/Time End: 1996-11-18T12:00:00 * Elevation: -4177.9 m * Penetration: 665 m * Recovery: 377.28 m * Location: Costa Rica subduction complex, North Pacific Ocean * Campaign: Leg170 * Basis: Joides Resolution * Device: Drilling/drill rig (DRILL) * Comment: 53 cores; 505.7 m cored; 0 m drilled; 74.6 % recovery
205-1253A * Latitude: 9.647630 * Longitude: -86.190560 * Date/Time Start: 2002-09-21T14:30:00 * Date/Time End: 2002-10-11T09:45:00 * Elevation: -4376.3 m * Penetration: 600 m * Recovery: 148.65 m * Location: North Pacific Ocean * Campaign: Leg205 * Basis: Joides Resolution * Device: Drilling/drill rig (DRILL) * Comment: 43 cores; 230 m cored; 370 m drilled; 64.6 % recovery
205-1254A * Latitude: 9.661650 * Longitude: -86.179060 * Date/Time: 2002-10-11T00:00:00 * Elevation: -4182.8 m * Penetration: 367.5 m * Recovery: 125 m * Location: North Pacific Ocean * Campaign: Leg205 * Basis: Joides Resolution * Device: Drilling/drill rig (DRILL) * Comment: 16 cores; 140.5 m cored; 227 m drilled; 89 % recovery