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Atmosphere-altered sediments were recycled into the mantle across the Great Oxidation Event

Nature Geoscience volume 16, pages 837–838 (2023)Cite this article

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Analysis of mineral inclusions in magmas that crystallized before and after the Great Oxidation Event reveals marked changes in the oxidation state of sulfur — owing to the recycling into the mantle of sediments that had been geochemically altered at the surface by atmospheric events.

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Fig. 1: The impact of sediment recycling into the mantle across the Great Oxidation Event is seen in sulfur speciation spectra of apatite inclusions in zircon.

References

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This is a summary of: Moreira, H. et al. Sub-arc mantle fugacity shifted by sediment recycling across the Great Oxidation Event. Nat. Geosci. https://doi.org/10.1038/s41561-023-01258-4 (2023).

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Atmosphere-altered sediments were recycled into the mantle across the Great Oxidation Event. Nat. Geosci. 16, 837–838 (2023). https://doi.org/10.1038/s41561-023-01278-0

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