Mineral chemistry of the magmatic biotites from the syn-mineral dacitic porphyry of Morro del Cobre

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María Verónica Bastias Torres
Lorena Previley
Nora Rubinstein

Abstract

Mineral chemistry of the magmatic biotites from the syn-mineral dacitic porphyry of Morro del Cobre (Frontal Cordillera of San Juan province) reveals that ther are Mg-biotites, typical of porphyry Cu precursor intrusives. Biotite geothermobarometry confirms the satured and oxidant character of the magma which evolved to shallower chambers.

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Bastias Torres, M. V., Previley, L., & Rubinstein, N. (2022). Mineral chemistry of the magmatic biotites from the syn-mineral dacitic porphyry of Morro del Cobre . Revista De La Asociación Geológica Argentina, 79(3), 573-579. Retrieved from https://revista.geologica.org.ar/raga/article/view/1598
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