ADEQ: Air Quality Division: Permits: Rosemont Copper Company55223 to Rosemont Copper Company for the construction and operation of an . proposed to construct and operate an open pit copper mine, milling, leaching,.copper mining milling,Capstone Mining Corp. - Operations - Pinto Valley - OverviewPrimary product mined, Copper. By-products, Molybdenum, silver. Ownership, . Mining type, Open pit. Mine life remaining (years), 21. 2017 Mill throughput.
copper mining milling