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On the Phenomenon of Enrichment of Mars in 13C: A Suggestion on the Reduced Initial Atmosphere

โœ Scribed by E.M. Galimov

Book ID
102568759
Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
91 KB
Volume
147
Category
Article
ISSN
0019-1035

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โœฆ Synopsis

It is suggested that methane was the dominant carbon-bearing component of the primary atmosphere of Mars. In this atmosphere CO 2 , being a minor component, became enriched in 13 C due to isotopic exchange with methane. In the presence of water CO 2 was deposited as carbonate. Subsequently the methane atmosphere was lost to outer space possibly due to impact erosion. Eventually, 13 C-enriched carbonates became a source of atmospheric CO 2 .

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