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DEEP EARTH

Hydrogen dances in the deep mantle

Hydrogen ions move freely within the crystal structure of a hydrous mineral under lower mantle conditions, resulting in high electrical conductivity that may make it possible to map water in the deep mantle.

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Fig. 1: Water circulation in the mantle.

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Correspondence to Tetsuya Komabayashi.

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Komabayashi, T. Hydrogen dances in the deep mantle. Nat. Geosci. 14, 116–117 (2021). https://doi.org/10.1038/s41561-021-00704-5

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