Shale Heavy Metal Isotope Records of Low Environmental O2 Between Two Archean Oxidation Events

Evidence of molecular oxygen (O2) accumulation at Earth’s surface during the Archean (4.0–2.5 billion years ago, or Ga) seems to increase in its abundance and compelling nature toward the end of the eon, during the runup to the Great Oxidation Event. Yet, many details of this late-Archean O2 story r...

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Bibliographic Details

Published in:	Frontiers in Earth Science
Main Authors:	Chadlin M. Ostrander, Brian Kendall, Gwyneth W. Gordon, Sune G. Nielsen, Wang Zheng, Ariel D. Anbar
Format:	Article
Language:	English
Published:	Frontiers Media S.A. 2022-04-01
Subjects:	archean thallium iron uranium isotopes oxygen
Online Access:	https://www.frontiersin.org/articles/10.3389/feart.2022.833609/full