Articles | Volume 37, issue 3
https://doi.org/10.5194/ejm-37-305-2025
https://doi.org/10.5194/ejm-37-305-2025
Research article
 | 
20 May 2025
Research article |  | 20 May 2025

H and D ∕ H analysis in olivine and wadsleyite with a multi-analytical approach combining Raman spectroscopy and ion and nuclear probes

Adrien Gautier, Nathalie Bolfan-Casanova, Bertrand Moine, Hélène Bureau, Hicham Khodja, Anthony C. Withers, and Laurette Piani

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Short summary
To understand the hydrosphere's internal cycle, we need to study the isotopic composition of hydrogen in the Earth's depths. We present a multidisciplinary approach to quantify the ratio of deuterium vs. hydrogen in nominally anhydrous minerals like olivine and its high-pressure polymorph wadsleyite. This study is a prerequisite for the determination of how heavy and light isotopes of hydrogen distribute among the different minerals hosting hydrogen in the mantle.
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