Research ArticleATMOSPHERIC SCIENCE

Atmospheric CO2 levels from 2.7 billion years ago inferred from micrometeorite oxidation

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Science Advances  22 Jan 2020:
Vol. 6, no. 4, eaay4644
DOI: 10.1126/sciadv.aay4644

Article Information

vol. 6 no. 4

Online ISSN: 
History: 
  • Received for publication June 20, 2019
  • Accepted for publication November 8, 2019
  • .

Author Information

  1. O. R. Lehmer1,2,3,*,
  2. D. C. Catling1,2,
  3. R. Buick1,2,
  4. D. E. Brownlee2,4 and
  5. S. Newport1
  1. 1Department of Earth and Space Sciences, University of Washington, Seattle, WA 98195, USA.
  2. 2Astrobiology Program, University of Washington, Seattle, WA 98195, USA.
  3. 3MS 239-4, Space Science Division, NASA Ames Research Center, Moffett Field, CA 94035, USA.
  4. 4Department of Astronomy, University of Washington, Seattle, WA 98195, USA.
  1. *Corresponding author. Email: info{at}lehmer.us

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