Abstract
Abstract The Spanish part of the Iberian Pyrite Belt embraces a number of supergiant massive sulfide deposits, as well as a great number of small-sized ones, altogether showing a wide variety of contrasted geological and metallogenic features. This makes the zone important, not only for its present-day economic status, but also from a historic point of view. On the other hand, some key geological features to understanding the geology and ore genesis in the IPB are better represented in its eastern part. Therefore, this field trip will be devoted to give an overview of the geological features of the IPB, together with the visit of three world-class massive sulfide deposits: Tharsis, Riotinto and Aznalcóllar (Figure 3.1). Also included is a historical approach to the importance of mining in the region through time, including a visit to the Riotinto Mining Museum. The first day will be devoted to recognizing some geological features of the Puebla de Guzmán anticlinorium relevant to understanding the geological context where massive sulfides were deposited. A guided visit to the Filón Norte mine (Tharsis district), emphasizing the geologic and metallogenetic aspects, will enable debate over some peculiar features of the IPB massive sulfide deposits. The second day will be spent around the Riotinto district, which is world famous as representative of the Iberian Pyrite Belt. At present mining in Riotinto is on gossan (Au-Ag) and stockwork (Cu) mineralizations, it is difficult to have a detailed run into places where massive sulfides are exposed. Nevertheless, it is worthwhile to
Published Version
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