European Journal of Mineralogy
European Journal of Mineralogy
European Journal of Mineralogy
Articles | Volume 38, issue 2
Articles | Volume 38, issue 2
https://doi.org/10.5194/ejm-38-103-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Collection:
https://doi.org/10.5194/ejm-38-103-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 38, issue 2
Research article
 | 
05 Mar 2026
Research article |  | 05 Mar 2026

Hydrogen diffusion in hydrous minerals from Raman and NanoSIMS mapping – implications for isotopic characterization of fluid–rock interactions

Bruno Reynard, Jannick Ingrin, Anne-Céline Ganzhorn, Julie Jonfal, Hélène Pilorgé, Clémentine Fellah, Nadège Hilairet, and Laurent Remusat

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Short summary
Interactions between minerals and water are fundamental to many geological processes on Earth, in meteorites, and on other planetary bodies, for instance, in the development of plate tectonics. In this study, we experimentally determine how quickly hydrogen isotopes are exchanged between minerals and fluids. We then explore how exchange rates can inform us about past interactions between rocks and water on the Earth and in meteorites using hydrogen isotope measurements in natural minerals.
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Experimental mineralogy, petrology, and geochemistry