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Reversing Earth’s carbon engine

Enhanced formation of clay in marine sediments in the lead up to the end-Permian mass extinction likely pulled the Earth back into a hot, high-CO2 state similar to that of the Precambrian.

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Fig. 1: Cao and colleagues track how the balance of reverse weathering and silicate weathering changed in the interval around the Permian–Triassic boundary.


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Correspondence to Hana Jurikova.

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Jurikova, H. Reversing Earth’s carbon engine. Nat. Geosci. 15, 756–757 (2022).

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