The efficacy of biochemical reactions on Mars should depend not only on concentrations of the biogenic elements H, C, N, O, and S but also on the forms (compounds and water-souble ions) that are available to those elements. It is possible that mineralogical reactions could act to lock biogenic elements into relatively inaccessible inorganic forms or, alternatively, to shelter sensitive organic compounds from chemically hostile environments. Recognition of these competing pathways is essential in planning sampling mission and in situ experiments directed toward assessing the biological potential of Mars.
Mineralogical sinks for biogenic elements on Mars
1989-03-01
Conference paper
No indication
English
Mineralogical investigations of Mars.
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