Panasqueira
Covilhã, Beira Interior (Central Iberian Zone), Portugal
Other hydrothermalW-Sn-Cu
- Type
- Subhorizontal wolframite-cassiterite-sulfide quartz veins
Europe's leading tungsten producer: swarm of subhorizontal quartz veins in Schist-Greywacke Complex slates, above a concealed greisenised Variscan granite cupola (about 295 Ma). Indicative coordinates.
δ124Sn in ‰ (per mil) Values of the same system
Standard : NIST SRM 3161a
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 0.3 ± 0.45 ‰ | −0.64 / 0.72 ‰ | 7 | cassiterite Mean and standard deviation recalculated from 7 samples, Table 2. Ore age used by the authors: 295 Ma. | Mathur et al. (2025), Global Sn isotope compositions of cassiterite identify the magmatic… |
| 0.75 ± 0.27 ‰ | 0.48 / 1.16 ‰ | 5 | primary cassiterite Mean and standard deviation recalculated from 5 samples, Appendix A3. Mean δ124/120Sn of 0.23 ‰ (Puratronic). Replicates of a sample averaged. | Marahrens (2021), Tin isotope analysis of tin ore deposits in Europe and Central Asia in … |
| 0.3 ± 0.45 ‰ | −0.64 / 0.72 ‰ | 7 | cassiterite Mean and standard deviation recalculated from 7 samples, Table 1 (POR 01 à 07). Portuguese values not discussed in the text of the article. | Mathur et al. (2024), Isotopic metal compositions of Viking and medieval tin artifacts fr… |
Deposits of the same type
- Castelo Branco district (Fonte das Galoas, Gaia) Portugal
- Viseu district (tin fields) Portugal
- Guarda district (Belmonte, Torrinhas, Fonte do Seixo) Portugal
- Aveiro district (Regoufe, Bustelo) Portugal
- Porto district (Rebordosa, Friande) Portugal
- Valongo (vein field) Portugal
- Portalegre district (Santa Eulália, Elvas) Portugal
- Torrecilla de los Ángeles Spain
Cite this page
IsoFind Atlas (2026). Panasqueira, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/panasqueira/ (accessed 2026-10-13).
@misc{isofind2026panasqueiraisotopesignatures,
title = {Panasqueira, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/panasqueira/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13