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Milkov, Alexei V; Claypool, George E; Lee, Young-Joo; Sassen, Roger (2005): (Table 4) Molecular and isotopic properties of void gases from sediments near Horizon A of ODP Hole 204-1248C [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.710770, 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):
Coverage:
Latitude: 44.574230 * Longitude: -125.152500
Date/Time Start: 2002-08-01T13:45:00 * Date/Time End: 2002-08-02T12:30:00
Minimum DEPTH, sediment/rock: 129.76 m * Maximum DEPTH, sediment/rock: 134.05 m
Event(s):
204-1248C * Latitude: 44.574230 * Longitude: -125.152500 * Date/Time Start: 2002-08-01T13:45:00 * Date/Time End: 2002-08-02T12:30:00 * Elevation: -829.6 m * Penetration: 149 m * Recovery: 101.44 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 17 cores; 149 m cored; 0 m drilled; 68.1 % recovery
Comment:
Gas concentrations are given as volume parts of natural gases. Zero values = not detected.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, sediment/rockDepth sedmGeocode
2Sample code/labelSample labelMilkov, Alexei VDSDP/ODP/IODP sample designation
3MethaneCH4%Milkov, Alexei VGas chromatography
4EthaneC2H6ppmvMilkov, Alexei VGas chromatographyand other C2 gases
5PropaneC3H8ppmvMilkov, Alexei VGas chromatographyand other C3 gases
6Isobutanei-C4H10ppmvMilkov, Alexei VGas chromatographyand other i-C4 hydrocarbons
7Butanen-C4ppmvMilkov, Alexei VGas chromatographyand other n-C4 hydrocarbons
8Isopentanei-C5H12ppmvMilkov, Alexei VGas chromatographyand other i-C5 hydrocarbons
9n-Pentanen-C5H12ppmvMilkov, Alexei VGas chromatographyand other n-C5 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 Plusand other i-C4 hydrocarbons
18δ13Cδ13C‰ PDBMilkov, Alexei VMass spectrometer Finnigan Delta Plusand other n-C4 hydrocarbons
19δ13Cδ13C‰ PDBMilkov, Alexei VMass spectrometer Finnigan Delta Plusof i-C5 hydrocarbons
20δ13Cδ13C‰ PDBMilkov, Alexei VMass spectrometer Finnigan Delta Plusof CO2
21δ Deuterium, methaneδD CH4‰ SMOWMilkov, Alexei VMass spectrometer Finnigan Delta Plus
Size:
38 data points

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