Introducción al estudio de Indicios cupríferos en Brieva de Cameros y en Ajamil (Sierra de Cameros, Cordillera Ibérica, La Rioja)

Abstract

This study has been centred on some cupriferous indications, situated on mesozoic out crops, belonging to Purbeck-Weaid Fades and placed in the Cameros Sierra in the Iberian System. In everycase, they are mineralitzaciones associated with a «red-beds», and unrolled on the continental reddish level of Purbeck-Wealds Facies. The indications are related to the presence of rich levels in organic matter. They sometiomes contitute small carbonaceous nivels. Among the cooper minerals there are a lot of carbonates and, in special way, the malachite