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 204-1250 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.710767, 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: 44.568607 * Median Longitude: -125.150210 * South-bound Latitude: 44.568430 * West-bound Longitude: -125.150300 * North-bound Latitude: 44.568780 * East-bound Longitude: -125.150030
Date/Time Start: 2002-08-02T12:30:00 * Date/Time End: 2002-08-27T21:30:00
Minimum DEPTH, sediment/rock: 1.00 m * Maximum DEPTH, sediment/rock: 100.23 m
Event(s):
204-1250C * Latitude: 44.568780 * Longitude: -125.150300 * Date/Time Start: 2002-08-02T12:30:00 * Date/Time End: 2002-08-03T17:00:00 * Elevation: -795.8 m * Penetration: 145 m * Recovery: 117.29 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 19 cores; 143 m cored; 2 m drilled; 82 % recovery
204-1250D * Latitude: 44.568430 * Longitude: -125.150300 * Date/Time Start: 2002-08-03T17:00:00 * Date/Time End: 2002-08-04T19:00:00 * Elevation: -795.7 m * Penetration: 145 m * Recovery: 133.67 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 19 cores; 142 m cored; 3 m drilled; 94.1 % recovery
204-1250F * Latitude: 44.568610 * Longitude: -125.150030 * Date/Time Start: 2002-08-24T19:15:00 * Date/Time End: 2002-08-27T21:30:00 * Elevation: -795.4 m * Penetration: 180 m * Recovery: 69.1 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 13 cores; 77 m cored; 103 m drilled; 89.7 % 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:
129 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 [‰ PDB] | 16 δD CH4 [‰ SMOW] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 204-1250C | 1.40 | 204-1250C-1H-CC | 99.730 | 860 | 10 | 0 | 0 | 0.025 | 1580 | 1152.000 | 4013 | -66.0 | -37.5 | -5.4 | |
| 204-1250C | 1.40 | 204-1250C-1H-CC | 99.764 | 900 | 20 | 0 | 0 | 0.068 | 760 | 1088.000 | 1467 | ||||
| 204-1250C | 6.50 | 204-1250C-2H-CC | 99.474 | 660 | 10 | 0 | 0 | 0.459 | 0 | 1477.000 | 217 | -64.8 | -34.2 | 6.7 | -194 |
| 204-1250C | 86.70 | 204-1250C-11H-3,120 | 99.418 | 40 | 0 | 0 | 0 | 0.578 | 0 | 22.742 | 172 | -67.4 | -46.4 | -3.6 | |
| 204-1250C | 92.50 | 204-1250C-12H-1,50 | -66.8 | -12.7 | |||||||||||
| 204-1250D | 1.00 | 204-1250D-1H-1 ? | 99.703 | 750 | 20 | 0 | 0 | 0.075 | 1440 | 1294.000 | 1321 | -65.5 | -35.3 | -18.3 | -193 |
| 204-1250D | 1.64 | 204-1250D-1H-2,14-17 | 99.714 | 860 | 10 | 0 | 0 | 0.137 | 620 | 1148.000 | 727 | -65.6 | -31.1 | 3.5 | -193 |
| 204-1250D | 1.64 | 204-1250D-1H-2,14-17 | 99.600 | 970 | 20 | 0 | 0 | 0.302 | 0 | 1010.000 | 330 | ||||
| 204-1250D | 1.64 | 204-1250D-1H-2,14-17 | 99.556 | 840 | 10 | 0 | 0 | 0.359 | 0 | 1170.000 | 278 | ||||
| 204-1250D | 81.53 | 204-1250D-10H-3,53-84 | 99.484 | 20 | 120 | 0 | 0 | 0.502 | 0 | 6935.000 | 198 | -69.4 | -49.3 | 1.1 | -200 |
| 204-1250F | 100.23 | 204-1250F-1H-1,23 | 99.715 | 30 | 0 | 0 | 0 | 0.282 | 0 | 33.981 | 354 | -70.2 | -48.3 | 0.5 | -202 |