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Hydrogen and oxygen in the deep Earth

The finding that an unusual iron oxide forms at extremely high pressures suggests that hydrogen and oxygen — two elements that strongly influence Earth's evolution — are generated in the mantle. See Letter p.241

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Figure 1: Proposed source of hydrogen and oxygen in the lower mantle.


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Correspondence to Takehiko Yagi.

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Yagi, T. Hydrogen and oxygen in the deep Earth. Nature 534, 183–184 (2016).

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