Composition des Sphalerites du District Minier de Hualgayoc (Perou) |
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| Authors: | R Borredon M Lafitte R Maury |
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| Institution: | 1. Laboratoire de géologie appliquée, Université Pierre et Marie Curie, Paris
2. Laboratoire de minéralogie expérimentale et appliquée, Université Pierre et Marie Curie, Paris, France
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| Abstract: | Microprobe analysis of mineralisations from the district of Hualgayoc, Peru, shows a zonation of sphalerite compositions all around a rhyodacitic body. The differences in the iron content of sphalerites in veins inside the rhyodacite and in sedimentary strata may be explained by a contamination of the hydrothermal solutions by those strata. |
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