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Earth interior

Deep mantle water prefers slabs

The fate of water carried by subducted slabs to the deep Earth remains unclear. Experiments suggest that water is unlikely to escape the slabs when they reach the core–mantle boundary despite high pressures and temperatures.

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Fig. 1: The previously proposed deep water cycle.

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Correspondence to Frédéric Deschamps.

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Deschamps, F. Deep mantle water prefers slabs. Nat. Geosci. 17, 590–591 (2024). https://doi.org/10.1038/s41561-024-01468-4

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