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
Always quote citation above when using data! You can download the citation in several formats below.
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
Data
| 1 Event | 2 Sample label (DSDP/ODP/IODP sample designation) | 3 Sample label 2 | 4 Depth sed [m] | 5 Vol [ml] (Start) | 6 Vol [ml] (Stop) | 7 H2 [ppmv] (detection limit = 2 ppmv, Gas...) | 8 H2 [ppmv] (average, Gas chromatography) | 9 He [ppmv] (detection limit = 2 ppmv, Gas...) | 10 CH4 [%] (detection limit = 20 ppmv, Ga...) |
|---|---|---|---|---|---|---|---|---|---|
| 204-1244E | 204-1244E-11P | G14 | 72.6 | 134 | 110 | 595.00 | 595.00 | 5.80 | 99.94 |
| 204-1244E | 204-1244E-15P | G6 | 103.1 | 125 | 195 | 1035.52 | 1035.52 | 38.20 | 99.89 |
| 204-1244E | 204-1244E-15P | G8 | 103.0 | 120 | 90 | 794.82 | 915.17 | 14.13 | 99.92 |
| 204-1249C | 204-1249C-6P | G3 | 33.5 | 140 | 105 | 16.45 | 2.30 | 100.00 | |
| 204-1249C | 204-1249C-6P | G5 | 33.5 | 140 | 105 | 20.27 | 2.34 | 100.00 | |
| 204-1249C | 204-1249C-6P | G8 | 33.5 | 140 | 115 | 18.04 | 18.39 | 2.35 | 100.00 |
| 204-1249F | 204-1249F-4P | G12 | 13.5 | 140 | 105 | 173.40 | 2.51 | 99.98 | |
| 204-1249F | 204-1249F-4P | G18 | 13.5 | 130 | 100 | 64.93 | 2.37 | 99.99 | |
| 204-1249F | 204-1249F-4P | G20 | 13.5 | 140 | 103 | 62.48 | 2.15 | 99.99 | |
| 204-1249F | 204-1249F-4P | G24 | 13.5 | 140 | 103 | 67.26 | 2.12 | 99.99 | |
| 204-1249F | 204-1249F-4P | G26 | 13.5 | 138 | 110 | 105.07 | 2.13 | 99.99 | |
| 204-1249F | 204-1249F-4P | G38 | 13.5 | 130 | 95 | 105.64 | 96.46 | 2.24 | 99.99 |
| 204-1249F | 204-1249F-6P | G10 | 33.5 | 140 | 103 | 18.81 | 18.81 | 2.23 | 100.00 |
| 204-1249F | 204-1249F-14P | G5 | 72.4 | 135 | 105 | 74.56 | 5.36 | 99.99 | |
| 204-1249F | 204-1249F-14P | G5 | 72.4 | 135 | 105 | 85.41 | 79.98 | <2.00 | 99.99 |
| 204-1250C | 204-1250C-9P | G2 | 71.0 | 152 | 115 | 66.11 | 9.02 | 99.99 | |
| 204-1250C | 204-1250C-9P | G5 | 71.0 | 110 | 85 | 108.52 | 31.63 | 99.99 | |
| 204-1250C | 204-1250C-9P | G6 | 71.0 | 140 | 110 | 139.38 | 122.69 | 19.55 | 99.98 |
| 204-1250D | 204-1250D-5P | G3 | 35.0 | 134 | 100 | 250.40 | 17.17 | 99.97 | |
| 204-1250D | 204-1250D-5P | G8 | 35.0 | 135 | 100 | 317.95 | 284.17 | 7.90 | 99.97 |
| 204-1250D | 204-1250D-13P | G6 | 103.5 | 130 | 100 | 120.15 | 21.77 | 99.99 | |
| 204-1250D | 204-1250D-13P | G7 | 103.5 | 125 | 105 | 119.65 | 8.21 | 99.99 | |
| 204-1250D | 204-1250D-13P | G7 | 103.5 | 125 | 105 | 133.68 | 126.66 | 53.63 | 99.98 |
| 204-1251B | 204-1251B-12P | G4 | 104.1 | 140 | 105 | 128.75 | 128.75 | 29.09 | 99.98 |
| 204-1251B | 204-1251B-18P | G6 | 153.4 | 145 | 100 | 379.92 | 29.29 | 99.96 | |
| 204-1251B | 204-1251B-18P | G7 | 153.4 | 130 | 99 | 379.10 | 379.51 | 23.45 | 99.96 |
| 204-1251B | 204-1251B-35P | G2 | 290.6 | 135 | 100 | 209.13 | 7.24 | 99.98 | |
| 204-1251B | 204-1251B-35P | G9 | 290.6 | 137 | 105 | 339.06 | 274.10 | 21.80 | 99.96 |
| 204-1251D | 204-1251D-6P | G2 | 45.9 | 135 | 100 | 490.36 | <2.00 | 99.95 | |
| 204-1251D | 204-1251D-6P | G3 | 45.9 | 125 | 90 | 282.65 | 8.91 | 99.97 | |
| 204-1251D | 204-1251D-6P | G5 | 45.9 | 138 | 100 | 154.26 | 9.49 | 99.98 | |
| 204-1251D | 204-1251D-GP | G6 | 45.9 | 135 | 215.80 | 2.56 | 99.98 | ||
| 204-1251D | 204-1251D-SP | G10 | 45.9 | 120 | 90 | 176.53 | 263.92 | 7.77 | 99.98 |
| 204-1251D | 204-1251D-21P | G2 | 173.4 | 140 | 103 | 215.28 | 58.08 | 99.97 | |
| 204-1251D | 204-1251D-21P | G5 | 173.4 | 135 | 100 | 227.48 | 221.38 | <2.00 | 99.98 |