Portalegre district (Santa Eulália, Elvas)
Portalegre district, Alentejo, Portugal
Other hydrothermalSn (W)
- Type
- Granite-related cassiterite veins and greisens
Cassiterite quartz veins of Santa Eulália and Baldio do Conde, near Elvas, in the Ossa-Morena Zone. 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 |
|---|---|---|---|---|
| 0.24 ± 0.2 ‰ | 0.07 / 0.47 ‰ | 5 | primary cassiterite Mean and standard deviation recalculated from 5 samples, Appendix A3. Mean δ124/120Sn of -0.00 ‰ (Puratronic). Replicates of a sample averaged. Breakdown (δ124Sn): Baldio do Conde, Elvas 0.07, 0.47; Santa Eulália 0.46, 0.14, 0.08. Sample MA-171043, repeated identically in Appendix A7, is counted as secondary. | Marahrens (2021), Tin isotope analysis of tin ore deposits in Europe and Central Asia in … |
| 0.73 ‰ | 1 | secondary cassiterite (placers), Santa Eulália One analysis, Appendix A7. Mean δ124/120Sn of 0.24 ‰ (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
- Cáceres Province (unspecified origin) Spain
- Montánchez granite (Alcuéscar, La Nava) Spain
- Castelo Branco district (Fonte das Galoas, Gaia) Portugal
- La Parrilla Spain
- Panasqueira Portugal
- Guarda district (Belmonte, Torrinhas, Fonte do Seixo) Portugal
- Torrecilla de los Ángeles Spain
- Gibla (Seville district) Spain
Cite this page
IsoFind Atlas (2026). Portalegre district (Santa Eulália, Elvas), isotope signatures. https://www.isofind.tech/isotopes/en/deposits/district-de-portalegre-santa-eulalia-elvas/ (accessed 2026-10-13).
@misc{isofind2026portalegredistrictsantaeulali,
title = {Portalegre district (Santa Eulália, Elvas), isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/district-de-portalegre-santa-eulalia-elvas/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13