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Distribution, abundance and carbon isotopic composition of gaseous hydrocarbons in Big Soda Lake, Nevada - An alkaline, meromictic lakeThe study of the distribution and isotopic composition of low molecular weight hydrocarbon gases at the Big Soda Lake, Nevada, has shown that while neither ethylene nor propylene were found in the lake, ethane, propane, isobutane and n-butane concentrations all increased with water column depth. It is concluded that methane has a biogenic origin in both the sediments and the anoxic water column, and that C2-C4 alkanes have biogenic origins in the monimolimnion water and shallow sediments. The changes observed in delta C-13/CH4/ and CH4/(C2H6 + C3H8) with depth in the water column and sedimeents are probably due to bacterial processes, which may include anaerobic methane oxidation and different rates of methanogenesis, and C2-to-C4 alkane production by microorganisms.
Document ID
19840036183
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Oremland, R. S.
(U.S. Geological Survey Menlo Park, CA, United States)
Des Marais, D. J.
(NASA Ames Research Center Moffett, CA, United States)
Date Acquired
August 12, 2013
Publication Date
December 1, 1983
Publication Information
Publication: Geochimica et Cosmochimica Acta
Volume: 47
ISSN: 0016-7037
Subject Category
Geophysics
Accession Number
84A18970
Distribution Limits
Public
Copyright
Other

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