Citation:

j.gca.2004.08.021

Name: (Table 3) Molecular and isotopic properties of hydrate-bound gases from ODP Sites 204-1246 and 204-1247
Published: 2005
License: https://creativecommons.org/licenses/by/3.0/

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Project(s):

Ocean Drilling Program (ODP)

Coverage:

Median Latitude: 44.581858 * Median Longitude: -125.143407 * South-bound Latitude: 44.577650 * West-bound Longitude: -125.151280 * North-bound Latitude: 44.586067 * East-bound Longitude: -125.135533

Date/Time Start: 2002-07-18T00:00:00 * Date/Time End: 2002-08-24T19:15:00

Minimum DEPTH, sediment/rock: 93.01 m * Maximum DEPTH, sediment/rock: 105.07 m

Event(s):

204-1246 * Latitude: 44.586067 * Longitude: -125.135533 * Date/Time Start: 2002-07-18T00:00:00 * Date/Time End: 2002-08-11T00:00:00 * Elevation: -850.0 m * Penetration: 316.7 m * Recovery: 135.4 m * Location: North Pacific Ocean * Campaign: * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 16 cores; 136.7 m cored; 180 m drilled; 99 % recovery

204-1247B * Latitude: 44.577650 * Longitude: -125.151280 * Date/Time Start: 2002-08-22T06:45:00 * Date/Time End: 2002-08-24T19:15:00 * Elevation: -834.3 m * Penetration: 220 m * Recovery: 211.98 m * Location: North Pacific Ocean * Campaign: * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 27 cores; 217 m cored; 3 m drilled; 97.7 % recovery

Comment:

Gas concentrations are given as volume parts of natural gases.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event
2	DEPTH, sediment/rock	Depth sed	m			Geocode
3	Sample code/label	Sample label		Milkov, Alexei V	DSDP/ODP/IODP sample designation
4	Methane	CH4	%	Milkov, Alexei V	Gas chromatography
5	Ethane	C2H6	ppmv	Milkov, Alexei V	Gas chromatography	and other C2 gases
6	Propane	C3H8	ppmv	Milkov, Alexei V	Gas chromatography	and other C3 gases
7	Isobutane	i-C4H10	ppmv	Milkov, Alexei V	Gas chromatography	and other i-C4 hydrocarbons
8	Butane	n-C4	ppmv	Milkov, Alexei V	Gas chromatography	and other n-C4 hydrocarbons
9	Carbon dioxide	CO2	%	Milkov, Alexei V	Gas chromatography
10	Hydrogen sulfide	H2S	ppmv	Milkov, Alexei V	Gas chromatography
11	Methane/C2+ hydrocarbons ratio	C1/C2+		Milkov, Alexei V	Calculated
12	Methane/C2+ hydrocarbons ratio	C1/C2+		Milkov, Alexei V	Calculated
13	δ13C, methane	δ13C CH4	‰ PDB	Milkov, Alexei V	Mass spectrometer Finnigan Delta Plus
14	δ13C, ethane	δ13C C2H6	‰ PDB	Milkov, Alexei V	Mass spectrometer Finnigan Delta Plus	and other C2 gases
15	δ13C	δ13C	‰ PDB	Milkov, Alexei V	Mass spectrometer Finnigan Delta Plus	of CO2
16	δ Deuterium, methane	δD CH4	‰ SMOW	Milkov, Alexei V	Mass spectrometer Finnigan Delta Plus

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Size:

22 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Event	2 Depth sed [m]	3 Sample label (DSDP/ODP/IODP sample designation)	4 CH4 [%] (Gas chromatography)	5 C2H6 [ppmv] (and other C2 gases, Gas chrom...)	6 C3H8 [ppmv] (and other C3 gases, Gas chrom...)	7 i-C4H10 [ppmv] (and other i-C4 hydrocarbons, ...)	8 n-C4 [ppmv] (and other n-C4 hydrocarbons, ...)	9 CO2 [%] (Gas chromatography)	10 H2S [ppmv] (Gas chromatography)	11 C1/C2+ (Calculated)	12 C1/C2+ (Calculated)	13 δ13C CH4 [‰ PDB] (Mass spectrometer Finnigan De...)	14 δ13C C2H6 [‰ PDB] (and other C2 gases, Mass spec...)	15 δ13C [‰ PDB] (of CO2, Mass spectrometer Fin...)	16 δD CH4 [‰ SMOW] (Mass spectrometer Finnigan De...)
204-1246	105.07	204-1246-12H-4	99.510	20	10	0	0	0.487	0	36.291	204.000	-68.2	-50.9	-9.7
204-1247B	93.01	204-1247B-12H-2,41-51	99.996	40	0					24.150		-70.0	-52.5	-3.9	-202