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Ancient fingerprints in the clay

David C. Catling
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David C. Catling: University of Bristol, Queen's Road, Bristol BS8 1RJ, UK. david.catling@bristol.ac.uk

Nature, 2007, vol. 448, issue 7149, 31-32

Abstract: The thermodynamics of ancient clays on Mars seems inconsistent with the idea that a thick atmosphere of carbon dioxide caused a warm, wet era in the planet's early history. What did cause it remains an enigma.

Date: 2007
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DOI: 10.1038/448031a

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