Brimstone on Mars

Harry Y. McSween ()
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Harry Y. McSween: University of Tennessee

Nature, 2000, vol. 404, issue 6773, 32-32

Abstract: The surface of Mars is abnormally rich in sulphur, but where it came from has been something of a mystery. Work on the isotopic composition of sulphur in martian meteorites now implicates atmospheric processes in the surface sulphur enrichment. The evidence for this conclusion has a further edge to it. It implies that the large shifts in isotopic ratios produced by living organisms are not necessarily characteristic of life.

Date: 2000
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DOI: 10.1038/35003688

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