Open-pit mining less risky, more economical: Rio Tinto

May 08, 2014 | 01:08 PM | Andrea Hotter

Tags  Rio Tinto, Thomas Metos, open-pit mining, underground mining, copper mining, Kennecott Utah Copper, Bingham Canyon, Andrea Hotter

TUCSON, Ariz. — Open-pit mining is less risky and more economical than underground mining, according to a Rio Tinto Plc executive.

Transportation and accessibility at the surface are also easier, with underground mining needing additional services, Rio Tinto copper cathode sales manager Thomas Metos said at the American Copper Council’s Copper College meeting in Tucson.....

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