Chemical Reactions Between Fe and H2O up to Megabar Pressures and Implications for Water Storage in the Earth's Mantle and Core

Chemical Reactions Between Fe and H2O up to Megabar Pressures and Implications for Water Storage in the Earth's Mantle and Core

Abstract We investigated the phase relations of the Fe‐H2O system at high pressures based on in situ X‐ray diffraction experiments and first‐principles calculations and demonstrate that FeHx and FeO are present at pressures less than ~78 GPa. A recently reported pyrite‐structured FeO2 was identified...

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Bibliographic Details
Main Authors: Liang Yuan, Eiji Ohtani, Daijo Ikuta, Seiji Kamada, Jun Tsuchiya, Hirao Naohisa, Yasuo Ohishi, Akio Suzuki
Format: Article
Language:English
Published: Wiley 2018-02-01
Series:Geophysical Research Letters
Subjects:
Iron
water
high pressures
high temperatures
pyrite‐structured FeOOH
Online Access:https://doi.org/10.1002/2017GL075720
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https://doi.org/10.1002/2017GL075720

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