El Skarn de Carracedo (San Salvador de Cantamuda). un ejemplo de minaralización pirometasomática en el N de la provincia de Palencia
- Palero Rodríguez, F. J.
- Reguilón Bragado, Rosa María
- Martín Izard, Agustín 1
- Vindel Catena, Elena
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1
Universidad de Oviedo
info
ISSN: 0211-8327
Year of publication: 1986
Volume: 23
Pages: 171-192
Type: Article
More publications in: Studia geologica salmanticensia
Abstract
The existence of several worked out skarn ore bodies sourrounding some small stocks outcropping in the north of the Palencia province in the Cantabric Cordillera (Spain) has a great metallogenic interest due to the lack of this kind of mineralization in the area. The country rocks consist of a Paleozoic sequence made up mainly of carbonates and pelites ending with the Carboniferous Brañosera formation wich hosts the ore deposits. Marbles and hornfelnes form the skarn at the contact between the sedimentary rocks and the dioritic intrusives. The marbles are made up mainly of calcite and some dolomite, while the hornfelnes show a mineralogical association made up of garnet, anphibol, pyroxene and epidote. In general, the host-rocks are strongly altered with development of abundant tourmaline, chlorite, sericite and silica. In these pyrometasomathic deposits, chalcopirite, arsenopirite and magnetite and occasionally sphalerite, freibergite, pirrotite and gold, are the main components of the ore.