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Article Dans Une Revue Geothermics Année : 2024

Atlas of lithium geothermal fluids in Europe

Résumé

In the last decade, lithium has become a strategic metal leading several European countries to assess their Liresources. For the first time, a geochemical characterization and assessment of identified Li-rich deep fluids in Europe has been conducted. A total of 182 occurrences have been identified. Geostatistical study suggests that the highest Li concentration values (i.e. 250-480 mg/l) are strongly correlated to B, Rb, K, SO 4 , Na, Cl and F whereas the lowest Li concentration values (i.e. 15 to 63 mg/l) are correlated to Mg, Mn, U and NH 4. Moreover, the fluids' ages are either coeval with a widespread emplacement of Li-magmatic bodies or deposition of sedimentary basins in Europe. Both reflecting extensional geodynamic setting. This review addresses main geochemical characteristics of deep fluids and contributes as a first step to the fundamental understanding of the geological processes for Li enrichment in the geothermal fluids.
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Origine : Publication financée par une institution
Licence : CC BY - Paternité

Dates et versions

hal-04485856 , version 1 (01-03-2024)

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Blandine Gourcerol, Bernard Sanjuan, Romain Millot, Detlev Rettenmaier, Elodie Jeandel, et al.. Atlas of lithium geothermal fluids in Europe. Geothermics, 2024, 119, pp.102956. ⟨10.1016/j.geothermics.2024.102956⟩. ⟨hal-04485856⟩

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