San Juan (mining district)
San Juan is a mining district in Atacama Region, Chile.[1] It hosts valuable reserves of copper, gold and cobalt.[2] The ores of the district are emplaced on rocks of the Chañaral Epimetamorphic Complex.[1] The district is traverse by the NNE-oriented Infiernillo Shear Zone.[1] This shear zone there is marked by mylonites and synkinematic migmatites.[1] Alteration minerals found in the host rocks associated with the ores include biotite, epidote, tourmaline, chlorite.[1] In addition there are rocks hardened by silicification, oxidized or hosting clay.[1]
References
[edit]- ^ a b c d e f Reinoso et al. (2020). Análisis del Distrito Minero San Juan hospedado en el basamento metamórfico paleozoico y su relación con la zona de cizalla Infiernillo, Región de Atacama, Chile. XII Congreso Argentino de Geología Económica
- ^ Cruz, Eva. February 23, 2022. Anuncian ampliación de área de licencia en el proyecto de cobre El Cofre
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