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Communication Dans Un Congrès Année : 2019

Chemical weathering of a granitic watershed: coupling Lithium isotopes and Reactive Transport Modeling

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Résumé

In the present study, we report lithium concentrations and Li isotopic compositions for different samples within a granitic watershed (Margeride, France). We investigate unweathered bedrock and samples displaying different stages of weathering in order to characterize Li isotopic fractionation. This was achieved by coupling lithium isotope geochemistry and reactive transport modeling during granite weathering at the scale of this watershed. The following manuscript reports methodology and the preliminary data.
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hal-02196740 , version 1 (25-01-2022)

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Romain Millot, Joachim Tremosa, Philippe Négrel. Chemical weathering of a granitic watershed: coupling Lithium isotopes and Reactive Transport Modeling. 16th International Symposium on Water-Rock Interaction (WRI-16) and 13th International Symposium on Applied Isotope Geochemistry (1st IAGC International Conference), Jul 2019, San Francisco, United States. pp.12014, ⟨10.1051/e3sconf/20199812014⟩. ⟨hal-02196740⟩

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