Nature Communications (Feb 2022)

Evidence for the oxidation of Earth’s crust from the evolution of manganese minerals

  • Daniel R. Hummer,
  • Joshua J. Golden,
  • Grethe Hystad,
  • Robert T. Downs,
  • Ahmed Eleish,
  • Chao Liu,
  • Jolyon Ralph,
  • Shaunna M. Morrison,
  • Michael B. Meyer,
  • Robert M. Hazen

DOI
https://doi.org/10.1038/s41467-022-28589-x
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 7

Abstract

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The co-evolution of oxygenation of the Earth’s atmosphere and lithosphere is still poorly constrained. However, the oxidation state of manganese minerals reveals that the redox state of Earth’s crust responds to changes in atmospheric oxygen following a ~66 million-year time lag.