What is it about?
Climate recovery was sluggish following the end-Permian mass extinction, with elevated temperatures persisting for over 5 million years. We find evidence that elevated reverse weathering may have contributed to this prolonged warm interval by retaining carbon in the ocean-atmosphere system. Additionally, we observe deviations in the lithium isotopic composition of various archives following the end-Permian mass extinction, forcing a re-evaluation of the current framework used to interpret the lithium isotopic composition of sedimentary archives.
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Why is it important?
Our findings indicate that changes in reverse weathering can have significant impacts on global climate.
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This page is a summary of: Lithium isotopic evidence for enhanced reverse weathering during the Early Triassic warm period, Proceedings of the National Academy of Sciences, July 2024, Proceedings of the National Academy of Sciences,
DOI: 10.1073/pnas.2318860121.
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