Lorenson, Thomas D; Colwell, Frederick S; Delwiche, Mark E; Dougherty, Jennifer A (2006): (Table T2) Hydrogen, helium, and methane gas concentrations in PCS gas samples of ODP Leg 204 sediments [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.774797, In supplement to: Lorenson, TD et al. (2006): Data report: Acetate and hydrogen concentrations in pore fluids associated with a large gas hydrate reservoir, southern Hydrate Ridge, offshore Oregon, USA. In: Tréhu, AM; Bohrmann, G; Torres, ME; Colwell, FS (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 204, 1-20, https://doi.org/10.2973/odp.proc.sr.204.126.2006
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Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 44.572134 * Median Longitude: -125.123241 * South-bound Latitude: 44.568430 * West-bound Longitude: -125.150300 * North-bound Latitude: 44.586180 * East-bound Longitude: -125.073950
Date/Time Start: 2002-07-25T13:30:00 * Date/Time End: 2002-08-22T01:45:00
Minimum DEPTH, sediment/rock: 13.5 m * Maximum DEPTH, sediment/rock: 290.6 m
Event(s):
204-1244E * Latitude: 44.586180 * Longitude: -125.119530 * Date/Time Start: 2002-08-18T23:00:00 * Date/Time End: 2002-08-22T01:45:00 * Elevation: -893.3 m * Penetration: 250 m * Recovery: 137.73 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 19 cores; 135.8 m cored; 114.2 m drilled; 101.4 % recovery
204-1249C * Latitude: 44.570610 * Longitude: -125.147350 * Date/Time Start: 2002-07-25T13:30:00 * Date/Time End: 2002-07-26T11:45:00 * Elevation: -778.4 m * Penetration: 90 m * Recovery: 58.97 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 14 cores; 88.5 m cored; 1.5 m drilled; 66.6 % recovery
204-1249F * Latitude: 44.570530 * Longitude: -125.147300 * Date/Time Start: 2002-08-05T08:30:00 * Date/Time End: 2002-08-06T07:15:00 * Elevation: -777.2 m * Penetration: 90 m * Recovery: 57.37 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 16 cores; 82.5 m cored; 7.5 m drilled; 69.5 % recovery
Comment:
Sediment depth is given in mbsf. Sample start and stop volumes note the amount of gas sampled (e.g. 145-100 equates to 45 mL gas in the sample).
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Sample code/label | Sample label | Lorenson, Thomas D | DSDP/ODP/IODP sample designation | ||
| 3 | Sample code/label 2 | Sample label 2 | Lorenson, Thomas D | |||
| 4 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 5 | Volume | Vol | ml | Lorenson, Thomas D | Start | |
| 6 | Volume | Vol | ml | Lorenson, Thomas D | Stop | |
| 7 | Hydrogen | H2 | ppmv | Lorenson, Thomas D | Gas chromatography | detection limit = 2 ppmv |
| 8 | Hydrogen | H2 | ppmv | Lorenson, Thomas D | Gas chromatography | average |
| 9 | Helium | He | ppmv | Lorenson, Thomas D | Gas chromatography | detection limit = 2 ppmv |
| 10 | Methane | CH4 | % | Lorenson, Thomas D | Gas chromatography | detection limit = 20 ppmv |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
259 data points