Milkov, Alexei V; Claypool, George E; Lee, Young-Joo; Sassen, Roger (2005): (Table 3) Molecular and isotopic properties of hydrate-bound gases from ODP Site 204-1245 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.710763, In supplement to: Milkov, AV et al. (2005): Gas hydrate systems at Hydrate Ridge offshore Oregon inferred from molecular and isotopic properties of hydrate-bound and void gases. Geochimica et Cosmochimica Acta, 69(4), 1007-1026, https://doi.org/10.1016/j.gca.2004.08.021
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Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 44.586070 * Median Longitude: -125.148975 * South-bound Latitude: 44.585980 * West-bound Longitude: -125.149100 * North-bound Latitude: 44.586160 * East-bound Longitude: -125.148850
Date/Time Start: 2002-08-06T07:15:00 * Date/Time End: 2002-08-11T00:30:00
Minimum DEPTH, sediment/rock: 53.40 m * Maximum DEPTH, sediment/rock: 101.43 m
Event(s):
204-1245B * Latitude: 44.585980 * Longitude: -125.149100 * Date/Time Start: 2002-08-06T07:15:00 * Date/Time End: 2002-08-09T15:45:00 * Elevation: -869.7 m * Penetration: 473.7 m * Recovery: 418.02 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 53 cores; 471.7 m cored; 2 m drilled; 88.6 % recovery
204-1245C * Latitude: 44.586160 * Longitude: -125.148850 * Date/Time Start: 2002-08-09T15:45:00 * Date/Time End: 2002-08-11T00:30:00 * Elevation: -868.6 m * Penetration: 201.7 m * Recovery: 185.31 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 29 cores; 198.7 m cored; 3 m drilled; 93.3 % recovery
Comment:
Gas concentrations are given as volume parts of natural gases. Zero values = not detected.
Parameter(s):
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
51 data points
Data
1 Event | 2 Depth sed [m] | 3 Sample label | 4 CH4 [%] | 5 C2H6 [ppmv] | 6 C3H8 [ppmv] | 7 i-C4H10 [ppmv] | 8 n-C4 [ppmv] | 9 CO2 [%] | 10 H2S [ppmv] | 11 C1/C2+ | 12 C1/CO2 | 13 δ13C CH4 [‰ PDB] | 14 δ13C C2H6 [‰ PDB] | 15 δ13C CO2 GH [‰ PDB] | 16 δD CH4 [‰ SMOW] |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
204-1245B | 54.53 | 204-1245B-6H-5,103 | 99.540 | 20 | 0 | 0 | 0 | 0.458 | 0 | 60.730 | 217.000 | -69.1 | -45.3 | -1.3 | -203 |
204-1245B | 85.00 | 204-1245B-9H-CC | 99.760 | 20 | 0 | 0 | 0 | 0.238 | 0 | 45.431 | 420.000 | -67.5 | -46.7 | 1.7 | -188 |
204-1245C | 53.40 | 204-1245C-7H-5,40 | 98.600 | 0 | 0 | 0 | 0 | 1.400 | 0 | 70.000 | |||||
204-1245C | 101.43 | 204-1245C-13H-4,56-76 | 99.611 | 20 | 0 | 0 | 0 | 0.387 | 0 | 47.463 | 257.000 | -67.8 | -52.6 | -3.3 | -205 |