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.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ejm-38-103-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
05 Mar 2026
Research article |
| 05 Mar 2026
| 05 Mar 2026
Hydrogen diffusion in hydrous minerals from Raman and NanoSIMS mapping – implications for isotopic characterization of fluid–rock interactions
Univ Lyon, Ens de Lyon, Univ Lyon 1, UJM St Etienne, CNRS, UMR 5276 LGL-TPE, 46 Allée d'Italie, 69007 Lyon, France
Jannick Ingrin
Unité Matériaux et Transformations, CNRS UMR 8207, Université de Lille, 59655 Villeneuve d'Ascq, France
Anne-Céline Ganzhorn
Univ Lyon, Ens de Lyon, Univ Lyon 1, UJM St Etienne, CNRS, UMR 5276 LGL-TPE, 46 Allée d'Italie, 69007 Lyon, France
Julie Jonfal
Univ Lyon, Ens de Lyon, Univ Lyon 1, UJM St Etienne, CNRS, UMR 5276 LGL-TPE, 46 Allée d'Italie, 69007 Lyon, France
Hélène Pilorgé
Univ Lyon, Ens de Lyon, Univ Lyon 1, UJM St Etienne, CNRS, UMR 5276 LGL-TPE, 46 Allée d'Italie, 69007 Lyon, France
Clémentine Fellah
Univ Lyon, Ens de Lyon, Univ Lyon 1, UJM St Etienne, CNRS, UMR 5276 LGL-TPE, 46 Allée d'Italie, 69007 Lyon, France
Nadège Hilairet
Unité Matériaux et Transformations, CNRS UMR 8207, Université de Lille, 59655 Villeneuve d'Ascq, France
Laurent Remusat
Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), UMR CNRS 7590, Sorbonne Université, Muséum National d'Histoire Naturelle, 57 rue Cuvier, Case 52, 75231 Paris CEDEX 5, France
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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.
Interactions between minerals and water are fundamental to many geological processes on Earth,...
