The standoff marks a major setback for the miner, which is in the process of upgrading its copper assets in Zambia hoping to increase output by at least 50% by 2017.
Northwest Territories, the northern Canadian region known for diamond mining, is giving a leg up to exploration companies through an incentive program it first rolled out in June.
With 24 million cubic metres of water and tailings flushed downstream of the Mount Polley gold and copper mine, the company’s biggest challenge now is to keep the remaining tailings and water contained.