COPPERTON, Utah — Utah's famous copper mine is bringing back its underground mining operation, which ended more than 100 years ago when it shifted to an open-pit method. Rio Tinto's Kennecott Copper ...
MANILA, June 23 (Reuters) - The incoming minister in charge of Philippine mining has slammed the use of open pits to extract minerals, describing it as "madness" even to consider the method in the ...
A court has upheld a ban on open-pit mining in the Philippine province of South Cotabato, home to the largest known untapped deposits of copper and gold in Southeast Asia. The ruling is the latest ...
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