202057&ensp·&enspThe nationalization of the Chilean copper industry, commonly described as the Chileanization of copper (Spanish: Chilenización del cobre) was the process by which the Chilean government acquired control of the major foreignowned section of the Chilean copper mining industry. It involved the three huge mines known as 'La Gran Mineria' and three smaller operations.
2020516&ensp·&enspCopper extraction refers to the methods used to obtain copper from its ores. The conversion of copper consists of a series of physical and electrochemical processes. Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors. As in all mining operations, the ore must usually be
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2010121&ensp·&enspGMD technology for Minera Escondida ABB gearless mill drive, installed 2002 at the Minera Escondida in Chile ABB announced that it will supply a new 15.7 MW gearless mill drive (GMD) system for a 26 ft ball mill, including transformers, ring motor and a complete electrical room entirely equipped, to Minera Escondida/Chile.
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