Relaciones genéticas entre yacimientos de Fe-Mn en la Sierra del Cuera (Cordillera Cantábrica, NO de España)
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Abstract
En este trabajo se describen tres tipos de yacimientos de FeMn en la Sierra del Cuera (Cordillera Cantábrica, NO de España):
Sedimentarios (Carbonífero), hidrotermales de baja temperatura
(Pérmico inferior) y supergénicos kársticos (Cuaternario). Se han
analizado las interrelaciones entre estos yacimientos, determinando su evolución temporal: los yacimientos sedimentarios fueron los
primeros en generarse. Posteriormente, el Fe-Mn fue removilizado
por un evento hidrotermal y, finalmente, reconcentrado por procesos kársticos recientes
This paper describes three different Fe-Mn ore-types found in Cuera Range (Cantabrian Mountains, NW Spain): Sedimentary (Carboniferous), low-temperature hydrothermal (early Permian) and karstic supergene (Quaternary). Relationships between these ore-types have been analyzed, finding that they follow a temporary evolutive path: firstly, sedimentary ores were formed. Secondly, FeMn was remobilized by a hydrothermal event and, eventually, FeMn was reconcentrated by recent karstic processes
This paper describes three different Fe-Mn ore-types found in Cuera Range (Cantabrian Mountains, NW Spain): Sedimentary (Carboniferous), low-temperature hydrothermal (early Permian) and karstic supergene (Quaternary). Relationships between these ore-types have been analyzed, finding that they follow a temporary evolutive path: firstly, sedimentary ores were formed. Secondly, FeMn was remobilized by a hydrothermal event and, eventually, FeMn was reconcentrated by recent karstic processes
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