Ballard, Julian Richard
The Chuquicamata-El Abra district is located in the Antofagasta region of northern Chile, about 1300 km north of Santiago. The area is of particular geological interest because it hosts the giant Chuquicamata porphyry copper deposit, and at least four other porphyry systems. The geology of the district is varied and includes igneous, metamorphic and sedimentary rocks that range in age from Precambrian to Quaternary. Copper is currently being mined from Eocene to Oligocene age felsic...[Show more]
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