Sen. John McCain: Legacy includes massive copper mine east of .
Aug 31, 2018 . Resolution, a joint venture between Rio Tinto and BHP Billiton, spent more than $1 billion testing the concentration of copper in ore and.
Arizona Set to Open First New Copper Mine in Decade .
May 22, 2018 . Dubbed the Resolution Copper Mine, its shafts dive into the earth for . Analysts for London based Rio Tinto, which owns 55 percent of the.Get Price