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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 204-1249 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.710766, 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: 44.570426 * Median Longitude: -125.147312 * South-bound Latitude: 44.570180 * West-bound Longitude: -125.147350 * North-bound Latitude: 44.570610 * East-bound Longitude: -125.147280
Date/Time Start: 2002-07-24T09:30:00 * Date/Time End: 2002-08-06T07:15:00
Minimum DEPTH, sediment/rock: 0.00 m * Maximum DEPTH, sediment/rock: 38.28 m
Event(s):
204-1249B * Latitude: 44.570180 * Longitude: -125.147350 * Date/Time Start: 2002-07-24T09:30:00 * Date/Time End: 2002-07-25T13:30:00 * Elevation: -778.4 m * Penetration: 74.9 m * Recovery: 14.01 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 8 cores; 45 m cored; 0 m drilled; 31.1 % 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
204-1249D * Latitude: 44.570360 * Longitude: -125.147280 * Date/Time Start: 2002-08-04T22:30:00 * Date/Time End: 2002-08-05T03:45:00 * Elevation: -777.2 m * Penetration: 18.5 m * Recovery: 4.78 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 3 cores; 16.5 m cored; 2 m drilled; 29 % recovery
Comment:
Gas concentrations are given as volume parts of natural gases. Zero values = not detected.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEvent
2DEPTH, sediment/rockDepth sedmGeocode
3Sample code/labelSample labelMilkov, Alexei VDSDP/ODP/IODP sample designation
4CommentCommentMilkov, Alexei V
5MethaneCH4%Milkov, Alexei VGas chromatography
6EthaneC2H6ppmvMilkov, Alexei VGas chromatographyand other C2 gases
7PropaneC3H8ppmvMilkov, Alexei VGas chromatographyand other C3 gases
8Isobutanei-C4H10ppmvMilkov, Alexei VGas chromatographyand other i-C4 hydrocarbons
9Butanen-C4ppmvMilkov, Alexei VGas chromatographyand other n-C4 hydrocarbons
10Carbon dioxideCO2%Milkov, Alexei VGas chromatography
11Hydrogen sulfideH2SppmvMilkov, Alexei VGas chromatography
12Methane/C2+ hydrocarbons ratioC1/C2+Milkov, Alexei VCalculated
13Methane/Carbon dioxide ratioC1/CO2Milkov, Alexei VCalculated
14δ13C, methaneδ13C CH4‰ PDBMilkov, Alexei VMass spectrometer Finnigan Delta Plus
15δ13C, ethaneδ13C C2H6‰ PDBMilkov, Alexei VMass spectrometer Finnigan Delta Plusand other C2 gases
16δ13C, propaneδ13C C3H8‰ PDBMilkov, Alexei VMass spectrometer Finnigan Delta Plusand other C3 gases
17δ13Cδ13C‰ PDBMilkov, Alexei VMass spectrometer Finnigan Delta Plusof CO2
18δ Deuterium, methaneδD CH4‰ SMOWMilkov, Alexei VMass spectrometer Finnigan Delta Plus
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
217 data points

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