Miguel Vacas Mine, Conceição, Vila Viçosa, Évora, Portugal
- Cu mine - a former producing open pit, that extracted and treated oxide copper. The deposit was exploited from 1925 to 1986 by various companies.
A drilling programme was initiated in 2015.
- Vein-like to lenticular chalcopyrite, native copper and malachite in brecciated quartz veins. Known for excellent libethenite and other secondary copper phosphates.
-Three contiguous mining concessions: no. 1550 Fonte da Moura, no. 1551 Monte d'El-Rei and no. 1552 Miguel Vacas.