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Oxidative elemental cycling under the low O(2) Eoarchean atmosphere

The Great Oxidation Event signals the first large-scale oxygenation of the atmosphere roughly 2.4 Gyr ago. Geochemical signals diagnostic of oxidative weathering, however, extend as far back as 3.3–2.9 Gyr ago. 3.8–3.7 Gyr old rocks from Isua, Greenland stand as a deep time outpost, recording inform...

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Detalles Bibliográficos
Autores principales: Frei, Robert, Crowe, Sean A., Bau, Michael, Polat, Ali, Fowle, David A., Døssing, Lasse N.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4750038/
https://www.ncbi.nlm.nih.gov/pubmed/26864443
http://dx.doi.org/10.1038/srep21058