Technical comment on “Reexamination of 2.5-Ga ‘whiff’ of oxygen interval points to anoxic ocean before GOE”

Many lines of inorganic geochemical evidence suggest transient “whiffs” of environmental oxygenation before the Great Oxidation Event (GOE). Slotznick et al. assert that analyses of paleoredox proxies in the Mount McRae Shale, Western Australia, were misinterpreted and hence that environmental O(2)...

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Detalles Bibliográficos
Autores principales: Anbar, Ariel D., Buick, Roger, Gordon, Gwyneth W., Johnson, Aleisha C., Kendall, Brian, Lyons, Timothy W., Ostrander, Chadlin M., Planavsky, Noah J., Reinhard, Christopher T., Stüeken, Eva E.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Association for the Advancement of Science 2023
Materias:
Earth, Environmental, Ecological, and Space Sciences
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10081836/
https://www.ncbi.nlm.nih.gov/pubmed/37027472
http://dx.doi.org/10.1126/sciadv.abq3736
Descripción
Sumario:Many lines of inorganic geochemical evidence suggest transient “whiffs” of environmental oxygenation before the Great Oxidation Event (GOE). Slotznick et al. assert that analyses of paleoredox proxies in the Mount McRae Shale, Western Australia, were misinterpreted and hence that environmental O(2) levels were persistently negligible before the GOE. We find these arguments logically flawed and factually incomplete.

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