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Strata-bound As-Au mineralization in pre-Caradocian rocks from the Vall de Ribes, Eastern Pyrenees, Spain

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Abstract

In the lower part of a pre-Caradocian series associated with volcanics there are disseminations and lenses of arsenopyrite and pyrite with gold and Bi-Ag-Cu-Pb-Zn-W minerals. These ores are accompanied by veins and epigenetic masses of the same mineralogical composition. The disseminations are found in psammopelitic rhythmites and dolomites which also contain cmthick lenses. The epigenetic bodies, also enclosed in the rhythmites and dolomites, are interpreted as reconcentrations of preexisting disseminations and lenses caused by subsequent phases of deformation.

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  1. Facultat de Geologia, Universitat de Barcelona, Gran Via, 585, 08007, Barcelona, Spain

    C. Ayora & J. M. Casas

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  1. C. Ayora
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  2. J. M. Casas
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Ayora, C., Casas, J.M. Strata-bound As-Au mineralization in pre-Caradocian rocks from the Vall de Ribes, Eastern Pyrenees, Spain. Mineral. Deposita 21, 278–287 (1986). https://doi.org/10.1007/BF00204346

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