Kennecott Copper Refinery

Magna -  Thomas Backman (left) and Kris Canham working in the electro-refining process at the Kennecott Utah Copper Refinery Thursday February 12, 2009. Rio Tinto's governing boards recommended Thursday that shareholders sell a portion of the company to Aluminum Corp. of China, or Chinalco, creating joint ventures to mine aluminum, copper and iron ore. Chinalco will increase its shareholdings in Rio Tinto from 9.3 percent to 18 percent, a Kennecott Utah Copper statement said. Thursday, February 12, 2009.; 02.12.2009.