Milkov, Alexei V; Claypool, George E; Lee, Young-Joo; Torres, Marta E; Borowski, Walter S; Tomaru, Hitoshi; Sassen, Roger; Long, Philip E; ODP Leg 204 Shipboard Scientific Party (2004): (Table 1) Molecular properties of void gases at ODP Leg 204 sites [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.763251, In supplement to: Milkov, AV et al. (2004): Ethane enrichment and propane depletion in subsurface gases indicate gas hydrate occurrence in marine sediments at southern Hydrate Ridge offshore Oregon. Organic Geochemistry, 35(9), 1067-1080, https://doi.org/10.1016/j.orggeochem.2004.04.003
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Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 44.583339 * Median Longitude: -125.139839 * South-bound Latitude: 44.577650 * West-bound Longitude: -125.150717 * North-bound Latitude: 44.586233 * East-bound Longitude: -125.119750
Date/Time Start: 2002-07-12T00:00:00 * Date/Time End: 2002-08-24T00:00:00
Minimum DEPTH, sediment/rock: 38.0 m * Maximum DEPTH, sediment/rock: 302.5 m
Event(s):
204-1244 * Latitude: 44.586233 * Longitude: -125.119750 * Date/Time Start: 2002-07-12T00:00:00 * Date/Time End: 2002-08-22T00:00:00 * Elevation: -895.4 m * Penetration: 1051.2 m * Recovery: 545 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 69 cores; 555.5 m cored; 495.7 m drilled; 98.1 % recovery
204-1245 * Latitude: 44.586133 * Longitude: -125.149050 * Date/Time Start: 2002-07-17T00:00:00 * Date/Time End: 2002-08-16T00:00:00 * Elevation: -870.7 m * Penetration: 1619.7 m * Recovery: 646.6 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 93 cores; 761 m cored; 858.7 m drilled; 85 % recovery
204-1247 * Latitude: 44.577650 * Longitude: -125.150717 * Date/Time Start: 2002-07-19T00:00:00 * Date/Time End: 2002-08-24T00:00:00 * Elevation: -834.2 m * Penetration: 490 m * Recovery: 212 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 27 cores; 217 m cored; 273 m drilled; 97.7 % recovery
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | DEPTH, sediment/rock | Depth sed | m | Geocode – mbsf | ||
| 3 | Depth, top/min | Depth top | m | Milkov, Alexei V | ||
| 4 | Depth, bottom/max | Depth bot | m | Milkov, Alexei V | ||
| 5 | Comment | Comment | Milkov, Alexei V | |||
| 6 | Sample amount | N | # | Milkov, Alexei V | ||
| 7 | Methane/ethane ratio | C1/C2 | Milkov, Alexei V | minimum | ||
| 8 | Methane/ethane ratio | C1/C2 | Milkov, Alexei V | maximum | ||
| 9 | Ethane | C2H6 | ppmv | Milkov, Alexei V | minimum, ppm of hydrocarbon gases | |
| 10 | Ethane | C2H6 | ppmv | Milkov, Alexei V | maximum, ppm of hydrocarbon gases | |
| 11 | Propane | C3H8 | ppmv | Milkov, Alexei V | minimum, ppm of hydrocarbon gases | |
| 12 | Propane | C3H8 | ppmv | Milkov, Alexei V | maximum, ppm of hydrocarbon gases |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
80 data points