Échassières (Beauvoir granite)
Allier, northern Massif Central, France
Magmatic (Ni-Cu-PGE, carbonatites)Li-Sn-Ta (kaolin)
- Type
- Rare-metal granite (lithium, tantalum, tin)
Beauvoir albite-lepidolite granite cupola, with lithium, tantalum and tin, mined for kaolin and targeted for lithium. Cassiterite studied by Marahrens (2021) for Bronze Age tin provenance. Indicative coordinates.
δ124Sn in ‰ (per mil) Values of the same system
Standard : NIST SRM 3161a
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 0.39 ‰ | 1 | primary cassiterite One analysis, Appendix A5. Mean δ124/120Sn of 0.05 ‰ (Puratronic). Replicates of a sample averaged. | Marahrens (2021), Tin isotope analysis of tin ore deposits in Europe and Central Asia in … |
Deposits of the same type
- Montebras France
- Golpejas Spain
- Penouta Spain
- Varuträsk Sweden
- Keliber (Central Ostrobothnia) Finland
- Pechenga Russia
- Abu Dabbab Égypte
- Eastern Desert (Mueilha, Igla, Nuweibi) Égypte
Cite this page
IsoFind Atlas (2026). Échassières (Beauvoir granite), isotope signatures. https://www.isofind.tech/isotopes/en/deposits/echassieres-granite-de-beauvoir/ (accessed 2026-10-13).
@misc{isofind2026echassieresbeauvoirgraniteiso,
title = {Échassières (Beauvoir granite), isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/echassieres-granite-de-beauvoir/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13