JX, Mitsui Mining halt Caserones mine, to take a $421M write down

[caption id="attachment_821227" align="aligncenter" width="600"] Caserones mine.[/caption] Japan's JX Nippon Mining & Metals, a subsidiary of JX Holdings Inc, said Thursday it will write down by 50 billion yen ($421 million) the value of its investment in its Caserones copper mine, in...