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Portugal | |
| L. Miguel Gaspar and Carlos M. C. Inverno (2000). Mineralogy and Metasomatic Evolution of Distal Strata-Bound Scheelite Skarns in the Riba de Alva Mine, Northeastern Portugal Economic Geology, v. 95, p. 1259-1275, |
- Figueira de Castelo Rodrigo
| Gaspar, L.M. and Inverno, C.M. (2000): Mineralogy and metasomatic evolution of distal strata-bound scheelite skarns in the Riba de Alva mine, northeastern Portugal. Econ. Geol. 95, 1259-1275. |
| Leal, S., Lima, A., Morris, J., Pedro, M., & Noronha, F. (2022). Numão gold deposit in the Iberian Variscan belt, Northern Portugal: Ore features and mineralization controls. A gold deposit in a W-Sn metallogenic province. Ore Geology Reviews, 144, 104815. |