Pontevedra Province (Silleda, Tui, Forcarei)
Pontevedra Province, Galicia, Spain
Other hydrothermalSn
- Type
- Granite-related cassiterite veins and greisens
Primary cassiterite from Carboeiro (Silleda) and placers from Goián (Tui) and Pico do Corvo (Forcarei). Cassiterite studied by Marahrens (2021) for Bronze Age tin provenance. Approximate position of the administrative district; mines are listed in the notes. Indicative coordinates.
δ124Sn in ‰ (per mil) Values of the same system
Standard : NIST SRM 3161a
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 0.02 ‰ | 1 | primary cassiterite, Carboeiro One analysis, Appendix A4. Mean δ124/120Sn of -0.11 ‰ (Puratronic). Replicates of a sample averaged. | Marahrens (2021), Tin isotope analysis of tin ore deposits in Europe and Central Asia in … | |
| −0.23 ± 0.09 ‰ | −0.3 / −0.17 ‰ | 2 | secondary cassiterite (placers) Mean and standard deviation recalculated from 2 samples, Appendix A7. Mean δ124/120Sn of -0.23 ‰ (Puratronic). Replicates of a sample averaged. Breakdown (δ124Sn): Goián, Tui -0.30; Pico do Corvo, Forcarei -0.17. | Marahrens (2021), Tin isotope analysis of tin ore deposits in Europe and Central Asia in … |
Deposits of the same type
- San Finx Spain
- A Coruña Province (various tin occurrences) Spain
- Galicia (unspecified origin) Spain
- Viana do Castelo district (Caminha, Fontão) Portugal
- Ourense Province (tin fields) Spain
- Vila Real district (including Borralha) Portugal
- Porto district (Rebordosa, Friande) Portugal
- Valongo (vein field) Portugal
Cite this page
IsoFind Atlas (2026). Pontevedra Province (Silleda, Tui, Forcarei), isotope signatures. https://www.isofind.tech/isotopes/en/deposits/province-de-pontevedra-silleda-tui-forcarei/ (accessed 2026-10-13).
@misc{isofind2026pontevedraprovincesilledatuif,
title = {Pontevedra Province (Silleda, Tui, Forcarei), isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/province-de-pontevedra-silleda-tui-forcarei/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13