Air density 2.7 billion years ago limited to less than twice modern levels by fossil raindrop imprints
Sanjoy M. SomDepartment of Earth and Space Sciences and Astrobiology Program, University of Washington, Seattle, Washington 98195-1310, USA. [email protected]David C. CatlingDepartment of Earth and Space Sciences and Astrobiology Program, University of Washington, Seattle, 98195-1310, Washington, USAJelte HarnmeijerDepartment of Earth and Space Sciences and Astrobiology Program, University of Washington, Seattle, 98195-1310, Washington, USAPeter M. PolivkaDepartment of Civil and Environmental Engineering, University of Washington, Seattle, 98195, Washington, USARoger BuickDepartment of Earth and Space Sciences and Astrobiology Program, University of Washington, Seattle, 98195-1310, Washington, USA
2012en
ABI
Abstract
No abstract available.
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Cited by 30 references