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

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

Oct 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000icar..147..472g&link_type=abstract

Icarus, Volume 147, Issue 2, pp. 472-476 (2000).

Computer Science

3

Scientific paper

It is suggested that methane was the dominant carbon-bearing component of the primary atmosphere of Mars. In this atmosphere CO2, being a minor component, became enriched in 13C due to isotopic exchange with methane. In the presence of water CO2 was deposited as carbonate. Subsequently the methane atmosphere was lost to outer space possibly due to impact erosion. Eventually, 13C-enriched carbonates became a source of atmospheric CO2.

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