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Miguel Vacas Mine, Pardais, Vila Viçosa, Évora District, Portugal
Photo: Rui Nunes 2007
Cu mine
A former producing open pit, that extracted and treated oxide copper. The deposit was exploited from 1925 to 1986 by various companies.
Vein-like to lenticular chalcopyrite, native copper and malachite in brecciated quartz veins. Known for excellent libethenite and other secondary copper phosphates.
Tipos: ocorrências de cobre, independentes da actividade ígnea, disseminadas.
Ocorrências de cobre: independentes da actividade ígnea, filões.
Descrição: filões quartzosos brechificados, sub-concordantes com a estrutura regional, que ocupam uma extensão de 1.600 m com rumo NNW, pendor de 70ºE e 0,80 m de possança média; mineralização pós-hercínica. Os xistos encaixantes tectonizados apresentam por vezes importantes impregnações de minerais de cobre.
Mineralizações principais: calcopirite, cobre nativo, malaquite.
Morfologias: filão, lenticular.
Rochas encaixantes: liditos, xistos.
Geologia Local: Silúrico, flanco NE do grande anticlinal de Sousel-Estremoz-Alandroal.
Geologia Regional: Silúrico.
in Siorminp
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(*) Esta mina é referida em muitos documentos como sita no Monte dos Vieiros, Pardais.
Mindat Articles
Portuguese Ossa-Morena Zone Mining by Martins da PedraMineral List
29 entries listed. 25 valid minerals.
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
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References
- Braithwaite, R. S. W. and Ryback, G. (1994): Reichenbachite from Cornwall and Portugal. Mineral. Mag., 58, 449-454.
- Rewitzer, C. & Marques de Sá, J.P. (1998): Die Miguel Vacas Mine: Eine Kupferlagerstätte im Süden Portugals. Lapis 23(5), 13-23. (in German)
- M. M. Abreu, M. J. Matias, M. Clara F. Magalhães, M. J. Basto: Impacts on water, soil and plants from the abandoned Miguel Vacas copper mine, Portugal; Journal of Geochemical Exploration, Elsevier, February–March 2008.
- Rewitzer, C. & Marques de Sá, J.P. (1998): Die Miguel Vacas Mine: Eine Kupferlagerstätte im Süden Portugals. Lapis 23(5), 13-23. (in German)
- M. M. Abreu, M. J. Matias, M. Clara F. Magalhães, M. J. Basto: Impacts on water, soil and plants from the abandoned Miguel Vacas copper mine, Portugal; Journal of Geochemical Exploration, Elsevier, February–March 2008.
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Locality Updated: Myall Lakes Reserve, Bolton, Victoria, AustraliaFrom Pat Sutton, 23rd May 2013 01:30:19
















