Codelco halts world's largest open pit copper mine over strike

[caption id="attachment_830204" align="aligncenter" width="600"] Chuquicamata is the heart of Codelco’s main division, accounting for over 40% of the miner’s total production in 2014. (Image courtesy of Codelco via Flickr.)[/caption] A week-long strike by contract workers at world’s No.1 copper producer...