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Lavrushin, VYu; Polyak, Boris G; Pokrovskii, B G; Kopp, M L; Buachidze, G I; Kamensky, I L (2009): Isotopic-geochemical features of spontaneous gases from mud volcanoes in Eastern Georgia. PANGAEA,

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Isotopic-geochemical study revealed presence of mantle He (3He/4He up to 223x10**-8) in gases from mud volcanoes of Eastern Georgia. This fact confirms that the Middle Kura basin fill encloses an intrusive body previously distinguished from geophysical data. Wide variations of carbon isotopic composition d13C in CH4 and CO2 and chemical composition of gas and water at temporally constant 3He/4He ratio indicate their relation with crustal processes. Unusual direct correlations of 3He/4He ratio with concentrations of He and CH4 and 40Ar/36Ar ratio can be explained by generation of gas in the Cenozoic sequence of the Middle Kura basin.
Related to:
Lavrushin, VYu; Polyak, Boris G; Pokrovskii, B G; Kopp, M L; Buachidze, G I; Kamensky, I L (2009): Isotopic-geochemical peculiarities of gases in mud volcanoes of Eastern Georgia. Litologiya i Poleznye lskopaemye, 2009, 2, 203-218, Lithology and Mineral Resources, 44(2), 183-197,
Median Latitude: 41.496800 * Median Longitude: 45.704000 * South-bound Latitude: 41.214000 * West-bound Longitude: 44.730000 * North-bound Latitude: 41.748000 * East-bound Longitude: 45.928000
Akhtala * Latitude: 41.748000 * Longitude: 45.756000 * Location: Kakheti, Georgia
Baida * Latitude: 41.352000 * Longitude: 45.752000 * Location: Kakheti, Georgia
EastKila-Kupra * Latitude: 41.447000 * Longitude: 45.928000 * Location: Kakheti, Georgia
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Event labelEvent
2Latitude of eventLatitude
3Longitude of eventLongitude
4Sample positionSamp posLavrushin, VYu
5Sample code/labelSample labelLavrushin, VYu
6DateDateLavrushin, VYu
7Carbon dioxideCO2%Lavrushin, VYuGas chromatography
8MethaneCH4%Lavrushin, VYuGas chromatography
9Nitrogen, gasN2%Lavrushin, VYuGas chromatography
10Oxygen, gasO2%Lavrushin, VYuGas chromatography+ Ar
11δ13C, methaneδ13C CH4‰ PDBLavrushin, VYuMass spectrometry
12δ13Cδ13C‰ PDBLavrushin, VYuMass spectrometryin CO2
13HeliumHeppmvLavrushin, VYuMass spectrometry
14NeonNeppmvLavrushin, VYuMass spectrometry
15ArgonArppmvLavrushin, VYuMass spectrometry
16Helium-3/Helium-43He/4He10-4Lavrushin, VYuMass spectrometrymeasured
17Helium-3/Helium-43He/4He10-4Lavrushin, VYuCalculatedcorrected
18Helium-4/Neon-204He/20NeLavrushin, VYuMass spectrometry
19Argon-40/Argon-3640Ar/36ArLavrushin, VYuMass spectrometry
252 data points

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