
five largest copper mines in chile in 2020. here are the five largest copper mines by production in chile, according to globaldatas mining database. 1. escondida mine. the escondida mine is a surface mine located in antofagasta. it is owned by bhp and produced an estimated 1,126 thousand tonnes of copper in 2020.,the impacts of copper mining in chile,apr 04, 2018 copper mining and macroeconomic indicators copper mining has accounted for an average of 10 of chiles gross domestic product (gdp) for the last two decades. in comparison, the mining industry as a whole represents 10.9 of gdp. between 1996 and 2016, copper mining as a percentage of economic activity in chile ranged between 3.6 (in 1998)