Valongo (vein field)
Valongo anticline, Porto district, Portugal
Other hydrothermalSn-W (Au-Sb)
- Type
- Cassiterite quartz veins
Vein field of the Valongo anticline, known for gold, antimony and tin. Indicative coordinates.
δ124Sn in ‰ (per mil) Values of the same system
Standard : NIST SRM 3161a
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −0.1 ‰ | 1 | cassiterite One analysis, Table 2. | Mathur et al. (2025), Global Sn isotope compositions of cassiterite identify the magmatic… |
Deposits of the same type
- Porto district (Rebordosa, Friande) Portugal
- Aveiro district (Regoufe, Bustelo) Portugal
- Viana do Castelo district (Caminha, Fontão) Portugal
- Viseu district (tin fields) Portugal
- Vila Real district (including Borralha) Portugal
- Pontevedra Province (Silleda, Tui, Forcarei) Spain
- Panasqueira Portugal
- Ourense Province (tin fields) Spain
Cite this page
IsoFind Atlas (2026). Valongo (vein field), isotope signatures. https://www.isofind.tech/isotopes/en/deposits/valongo-champ-filonien/ (accessed 2026-10-13).
@misc{isofind2026valongoveinfieldisotopesignat,
title = {Valongo (vein field), isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/valongo-champ-filonien/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13