BHP, Glencore, Anglo to boost Chile’s copper output to a record 6 million tonnes this year

[caption id="attachment_767383" align="aligncenter" width="600"] Escondida is the world's largest copper producer mine. Image courtesy of BHP.[/caption] Chile, the world’s main copper producer, sees its output exceeding the 6 million tonnes-mark for the first time this year thanks mainly to privately...