Fossil raindrops and ancient air

William S. Cassata () and Paul R. Renne ()
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William S. Cassata: University of California, Berkeley, Berkeley, California 94720, USA, and at the Berkeley Geochronology Center.
Paul R. Renne: University of California, Berkeley, Berkeley, California 94720, USA, and at the Berkeley Geochronology Center.

Nature, 2012, vol. 484, issue 7394, 322-324

Abstract: An analysis of fossil imprints of ancient raindrops suggests that the density of the atmosphere 2.7 billion years ago was much the same as that today. This result casts fresh light on a long-standing palaeoclimate paradox. See Letter p.359

Date: 2012
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DOI: 10.1038/nature11036

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