Vale has completed construction and commissioning of the Voisey’s Bay mine expansion project, transitioning the Canadian nickel mine from open pit to underground mining. The project involved the development of two underground mines – Reid Brook and Eastern Deeps – which will deliver ore for processing at the company’s Long Harbour, Newfoundland, refinery. Vale said full ramp-up is expected by…
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Canadian authorities file criminal case against Diavik mine
Rio Tinto’s Diavik mine, located about 200 kilometers south of the Arctic Circle in the Northwest Territories, is facing a criminal case after a 2003 accident left an employee seriously injured, reported Reuters. “[The] Diavik diamond mine is charged with multiple counts alleging violations of the Mine Health and Safety Act, including failure to implement and maintain safe work practices,…
Read MorePLANNING AN UNDERGROUND TRANSITION
Moving from open pit to underground operations is fraught with complications. North American Mining spoke to three experts about the considerations and risks involved. By Jonathan Rowland A majority of mining operations begin life as open pits; however, as mining progresses, ore reserves may be proved to extend to greater depths than originally anticipated. To continue exploiting these reserves, the…
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