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Air density 2.7 billion years ago limited to less than twice modern levels by fossil raindrop imprints

Author

Listed:
  • Sanjoy M. Som

    (University of Washington
    Blue Marble Space Institute of Science
    Present address: Exobiology Branch, NASA Ames Research Center, Moffett Field, California 94035, USA.)

  • David C. Catling

    (University of Washington)

  • Jelte P. Harnmeijer

    (University of Washington
    Sustainable Community Energy Network, Edinburgh Centre for Low Carbon Innovation, Edinburgh EH8 9AA, UK)

  • Peter M. Polivka

    (University of Washington
    University of Washington)

  • Roger Buick

    (University of Washington)

Abstract

Experiments dropping raindrops onto ash combined with raindrop fossil imprints yield an upper limit for air density in the Archaean.

Suggested Citation

  • Sanjoy M. Som & David C. Catling & Jelte P. Harnmeijer & Peter M. Polivka & Roger Buick, 2012. "Air density 2.7 billion years ago limited to less than twice modern levels by fossil raindrop imprints," Nature, Nature, vol. 484(7394), pages 359-362, April.
    • Handle: RePEc:nat:nature:v:484:y:2012:i:7394:d:10.1038_nature10890
    DOI: 10.1038/nature10890
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    Cited by:

    1. Weihua Huang & Yan Yang & Yuan Li & Zheng Xu & Shuiyuan Yang & Shengbin Guo & Qunke Xia, 2024. "Inefficient nitrogen transport to the lower mantle by sediment subduction," Nature Communications, Nature, vol. 15(1), pages 1-10, December.

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