(Mina de Carlés, Carlés, Salas, Asturies, España)
Copper-gold deposit located in the Cantabrian zone of the Hercynian Iberian Massif.
The mineralization is associated with a late Hercynian granodioritic intrusion with numerous sill-like intrusions, developped along stratification planes and controlling fluid circulation.
The granodiorite intrudes Upper Silurian sandstones and Lower Devonian limestones and dolostones.
Several types of alteration are present :
- Exoskarn (metasomatic replacement of marbles) divided in different monomineralic zones replacing each other
- Endoskarn (metasomatic replacement of granodiorite)
- Veining stage : second hydrothermal episode affecting exoskarn
- Amphibole arsenopyrite replacement of marbles
- K-feldspar alteration of granodiorite
- Sericitic greisen and silicification developed in the granodiorite
Satellite mine of the El Valle Mine. Open-pit mining started in the fall of 2000. Underground mining developed since 2003.
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Map Reference: 43°21'48"N , 6°14'45"W
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Mineral List:50 entries listed. 43 valid minerals.
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