Rio Tinto, Chinalco finalize exploration joint ventureDec 3, 2011 | News The new company’s priority will be exploring in China for copper, with plans to expand into coal and potash. See http://www.mining-hub.com/2011/11/rio-tinto-chinalco-finalize-exploration-joint-venture/ Related posts Rio Tinto out to save Chinalco deal Rio Tinto drops exploration plans in Iron County, Michigan Rio Tinto in Colombia