Vila Real district (including Borralha)
Vila Real district, Trás-os-Montes, Portugal
Other hydrothermalSn (W)
- Type
- Granite-related cassiterite veins and greisens
Tin and tungsten mines of the Vila Real district, including the large Borralha tungsten mine (Montalegre), Jales, Aveleda, Ribeira de Pena and Vinheiros. 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 |
|---|---|---|---|---|
| 1.19 ± 0.27 ‰ | 1 / 1.38 ‰ | 2 | primary cassiterite, Borralha Mean and standard deviation recalculated from 2 samples, Appendix A3. Mean δ124/120Sn of 0.46 ‰ (Puratronic). Replicates of a sample averaged. | Marahrens (2021), Tin isotope analysis of tin ore deposits in Europe and Central Asia in … |
| 0.25 ± 0.55 ‰ | −0.81 / 0.83 ‰ | 7 | primary cassiterite, other mines of the district Mean and standard deviation recalculated from 7 samples, Appendix A3. Mean δ124/120Sn of 0.00 ‰ (Puratronic). Replicates of a sample averaged. Breakdown (δ124Sn): M. da Serrinha da Cascalheira 0.50; Mina do Pinheiro Manso 0.29; Ribeira de Pena -0.09; Mina Praina dos Torganos 0.63; Jales. Revel. 0.42; Mina de Aveleda 0.83; Mina de Vinheiros -0.81. Table 6.3 names the lightest sample Vale das Gatas (Vinheiros in the appendix). | Marahrens (2021), Tin isotope analysis of tin ore deposits in Europe and Central Asia in … |
Deposits of the same type
- Ourense Province (tin fields) Spain
- Porto district (Rebordosa, Friande) Portugal
- Aveiro district (Regoufe, Bustelo) Portugal
- Valongo (vein field) Portugal
- Viseu district (tin fields) Portugal
- Viana do Castelo district (Caminha, Fontão) Portugal
- Bragança district (Portelo, Ribeira) Portugal
- Pontevedra Province (Silleda, Tui, Forcarei) Spain
Cite this page
IsoFind Atlas (2026). Vila Real district (including Borralha), isotope signatures. https://www.isofind.tech/isotopes/en/deposits/district-de-vila-real-dont-borralha/ (accessed 2026-10-13).
@misc{isofind2026vilarealdistrictincludingborr,
title = {Vila Real district (including Borralha), isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/district-de-vila-real-dont-borralha/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13