Canadian miner Lundin must permanently close its Alcaparrosa copper mine in Chile, the South American nation's environmental regulator said on Thursday, after a massive sinkhole cracked open near the ...

Two environmental groups and a pecan-farming company filed an appeal with state regulators asking them to revoke the air pollution permit issued Jan. 2 for the proposed Copper World mine south of ...

Montana Resources expects to hit a vein of high-grade copper that will increase production for the next few years.

In addition, USAU was expected to receive final approval from Wyoming regulators to begin construction of the gold and copper mine in Laramie County. The company received all the necessary permits ...

Chile Orders Lundin to Shut Small Copper Mine After Causing Massive Sinkhole SANTIAGO (Reuters) -Canadian miner Lundin must permanently close its Alcaparrosa copper mine in Chile, the South ...

SANTIAGO - Canadian miner Lundin must permanently close its Alcaparrosa copper mine in Chile, the South American nation's environmental regulator said on Thursday, after a massive sinkhole cracked ...