Hemlo gold mine in Ontario. (Image courtesy of Barrick Gold.) Barrick Mining (NYSE: B; TSX: ABX) has agreed to sell its last operating gold mine in Canada, marking a significant milestone as the company shifts its focus toward copper.The Hemlo Gold Mine in Ontario will be sold to Carcetti Capital Corp. for $875 million in cash and$50 million worth of Carcetti shares. An additional $165 million in contingent payments could be triggered depending on future gold prices. The sale is expected to close in the fo ...