• PROVING POTENTIAL COST AND POWER SAVINGS WITH

    Mount Polley 2. BACKGROUND TO THE PROJECT Mount Polley Mine: Mount Polley is an open pit copper/gold mine in British Columbia, wholly owned by Imperial. It produces on average 20,000 tonnes per day. In 2010, 77% of the mill feed was supplied by the Springer pit, but in 2011 virtually all mill feed will be sourced there, with the balance from the

  • Overview Imperial Metals

    Mount Polley operations have been suspended, and as of May 31, 2019, the mine is on care & maintenance status. A resumption of operations is anticipated once the economics of mining at Mount Polley improve. Extensive remediation work in the areas affected by the 2014 breach has been achieved during the past five years.

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    Imperial is an exploration, mine development and operating company based in Vancouver, British Columbia. Our expertise and focus is on base and precious metals. We own, through our subsidiaries, 30% interest in the Red Chris mine, and a 100% interest in the Mount Polley and Huckleberry copper mines in British Columbia.

  • Some facts about the Mount Polley Mine MINING.COM

    Aug 06, 2014· I have been aware of and following the Mount Polley mine for close to 20 years. Because of a lot uninformed discussion about the mine I thought I would try to outline some basic facts

  • Mount Polley mine disaster Wikipedia

    The Mount Polley mine disaster is an environmental disaster in the Cariboo region of central British Columbia, Canada, that began 4 August 2014 with a breach of the Imperial Metals-owned Mount Polley copper and gold mine tailings pond, releasing its water and slurry with

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  • MOUNT POLLEY MINING CORPORATION MOUNT POLLEY

    MOUNT POLLEY MINING CORPORATION . MOUNT POLLEY MINE . TAILINGS STORAGE FACILITY . OPERATION, MAINTENANCE AND SURVEILLANCE MANUAL . SECTION 1.0 I. NTRODUCTION . 1.1. OVERVIEW This Operations, Maintenance and Surveillance Manual applies to the Tailings Storage Facility and related pipelines and structures at the Mount Polley Mine. This Manual

  • Mt Polley could re-open by July: mines minister MINING.COM

    Jun 07, 2015· Workers at the Mount Polley mine in central British Columbia could be back on the job as early as July 1st, which should come as a relief to nearly

  • MOUNT POLLEY MINING CORPORATION MOUNT POLLEY MINE

    May 03, 2006· MOUNT POLLEY MINING CORPORATION MOUNT POLLEY MINE TAILINGS STORAGE FACILITY REPORT ON 2005 ANNUAL INSPECTION (REF. NO. VA101-01/11-1) EXECUTIVE SUMMARY . The Mount Polley gold and copper mine is owned by Mount Polley Mining Corporation (MPMC). It is located 56 kilometres northeast of Williams Lake, in central British Columbia. Mount Polley

  • Science Desk: How Sulfide-Ore Copper Mines Pollute Save

    May 08, 2015· Have you ever wondered just how sulfide-ore copper mines pollute their surrounding environments? It’s a good question, because in order to understand the environmental impacts to the Boundary Waters Canoe Area Wilderness and Voyageurs National Park, we must first understand all of the ways sulfide-ore copper mining can cause harm to the surrounding lakes, streams, wetlands and

  • Tailings dam failures linked to hefty bonuses for mine

    Jun 24, 2019· Mount Polley Mine's tailings pond and tailings pile. Production was ramped up at the Mount Polley mine before a tailings pond breached in 2014, causing one of B.C.'s worst environmental disasters. and construction of dams and do not specify that a company’s economic risks should be assessed as part of the safety process, said Lapointe

  • Author: Judith Lavoie
  • MOUNT POLLEY MINING CORPORATION MOUNT POLLEY

    MOUNT POLLEY MINING CORPORATION . MOUNT POLLEY MINE . TAILINGS STORAGE FACILITY . OPERATION, MAINTENANCE AND SURVEILLANCE MANUAL . SECTION 1.0 I. NTRODUCTION . 1.1. OVERVIEW This Operations, Maintenance and Surveillance Manual applies to the Tailings Storage Facility and related pipelines and structures at the Mount Polley Mine. This Manual

  • Tailings Wikipedia

    Tailings are the materials left over after the process of separating the valuable fraction from the uneconomic fraction of an ore. Tailings are distinct from overburden, which is the waste rock or other material that overlies an ore or mineral body and is displaced during mining without being processed.

  • Project Review: Mount Polley Porphry-Copper Mine BC

    Aug 12, 2014· Mount Polley made headlines when its tailing pond breached, sending nearly 10 million cubic meters of water and 4.5 million cubic meters of metal-bearing fine sand and silt into nearby Polley Lake. Tailings are the waste that remains from the process of extracting the economic minerals from the ore

  • Getting a better understanding of the Mount Polley mine

    The Mount Polley mine. The Mount Polley mine is built on a copper-gold deposit 57 kilometres northeast of Williams Lake, in BC’s Cariboo region. Its mineral richness was first discovered in 1964 and it has been extensively explored and tested by various mining companies since then.

  • 2010 Inspection Report Rev In-Progress

    MOUNT POLLEY MINING CORPORATION MOUNT POLLEY MINE TAILINGS STORAGE FACILITY REPORT ON 2010 ANNUAL INSPECTION (REF. NO. VA101-1/29-2) EXECUTIVE SUMMARY The Mount Polley Copper and Gold Mine is located in central British Columbia approximately 56 kilometres northeast of Williams Lake. Mount Polley Mining Corporation (MPMC) started production in

  • MOUNT POLLEY MINING CORPORATION MOUNT POLLEY

    May 03, 2006· MOUNT POLLEY MINING CORPORATION MOUNT POLLEY MINE TAILINGS STORAGE FACILITY REPORT ON 2005 ANNUAL INSPECTION (REF. NO. VA101-01/11-1) EXECUTIVE SUMMARY . The Mount Polley gold and copper mine is owned by Mount Polley Mining Corporation (MPMC). It is located 56 kilometres northeast of Williams Lake, in central British Columbia. Mount Polley

  • production of copper mine tailings

    copper mine tailings incledon-ipi.co.za. Mount Polley mine disaster is an environmental disaster in the Cariboo region of central British Columbia, Canada, that began 4 August 2014 with a breach of the Imperial Metalsowned Mount Polley copper and gold mine tailings pond, releasing its water and slurry with years worth of mining waste into

  • Mount Polley disaster spurs scrutiny of Minnesota

    Aug 07, 2014· Mount Polley is operated by Imperial Metals of Vancouver. The CBC reports that Canadian and provincial officials now assess the full extent of the damage and how something like this even happened. Global News is reporting that Mount Polley Mine employees are saying that tailings pond breaches have happened before, just never to this extent

  • Catastrophic Tailings Spill at Mount Polley Mine

    Because low-grade large-scale mines like Mount Polley are mining ores where the sought-after minerals (gold and copper in this case) are less than 1% of the ore, a lot of waste is created from processing the 20,000 tonnes of ore that went through the Mount Polley mill each day.

  • Science Desk: How Sulfide-Ore Copper Mines Pollute Save

    May 08, 2015· Have you ever wondered just how sulfide-ore copper mines pollute their surrounding environments? It’s a good question, because in order to understand the environmental impacts to the Boundary Waters Canoe Area Wilderness and Voyageurs National Park, we must first understand all of the ways sulfide-ore copper mining can cause harm to the surrounding lakes, streams, wetlands and

  • copper mining process grinding

    Mount Polley Mine Tetra Tech. Large copper mines often recover considerable amounts of gold and other metals along with the copper. By optimising the grinding process, ABB''s ACS1000. Read More. grinding process of copper refining fine ore powder YouTube. Aug 2, 2016 Fourteen domestic mines trapezium mill copper ore

  • Imperial Metals Gets C$108-million Settlement INN

    A fall at Red Chris came at a bad time, as workers at Mount Polley had been on strike since May 2018 and remained on strike through to August, chewing into the mine’s Q2 production by 31.8

  • 20.1 Metal Deposits Physical Geology

    20.1 Metal Deposits Mining has always been a major part of Canada’s economy. Canada has some of the largest mining districts and deposits in the world, and for the past 150 years, we have been one of the most important suppliers of metals.

  • Mine Tailings Fundamentals:Mine Tailings Fundamentals

    ore. Types of Mine Tailings • Gravity Process Tailings • Flotation Process Tailings • Leach Process Tailings • Includes but not limited to tailings from copper, gold, iron, lead, rare earth, phosphate, platinum group, silver, Mount Polley Tailings Breach Mine Tailings Fundamentals: Part 1 EPA CLU‐

  • Mount Polley Gets Permit for Restricted Restart E & MJ

    The British Columbia Ministry of Energy and Mines and Ministry of Environment issued permit amendments in early July allowing Imperial Metals to undertake a restricted restart of operations at its Mount Polley copper-gold mine in south-central British Columbia.

  • Geochemistry of Tailings from the Mount Polley Mine

    2.2 Ore Processing and Tailings Deposition Processing of ore mined from the Mount Polley yields a copper sulphide concentrate. In general terms, the concentrate is produced by blasting the ore and then hauling it to the processing plant, where it undergoes three stages of crushing, and three stages of grinding, followed by

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    copper ore ball mill mine encyclopedia wava wa . mining gold processing plant for sale south africa overflow ball mill for . . a ball roller mill ball mill for gold,copper,silver ore Stone Crusher, Ball Mill,Ore. . A ball mill is a type of grinder used to grind and blend materials for use in mineral .

  • Mining Waste from Canada’s Mount Polley Mine Spill Still

    Aug 06, 2015· A ‘Massive Deposit’ of Mining Waste From BC’s Mount Polley Mine Spill Is Still Lingering. By Carol Linnitt. Vice Magazine. 6 August 2015. On August 4, 2014 an estimated 24 million cubic metres of mining waste and water spilled from the Mount Polley mine tailings pond and flowed down Hazeltine Creek and into Quesnel Lake, a source of drinking water for the town of Likely, BC,

  • Crusher Ore Open Pit Mine

    Imperial Metals Corporation Mount Polley Mine Mon May 19, 2014 Mount Polley is an open pit copper/gold mine with a developing In the Mount Polley mill, run-of-mine ore from the open pits is hauled to the crusher.

  • production of copper mine tailings

    copper mine tailings incledon-ipi.co.za. Mount Polley mine disaster is an environmental disaster in the Cariboo region of central British Columbia, Canada, that began 4 August 2014 with a breach of the Imperial Metalsowned Mount Polley copper and gold mine tailings pond, releasing its water and slurry with years worth of mining waste into

  • Mining Process Of Mount Polley Mines

    Mount Polley Mine to discharge wastewater Alaska Public. A British Columbia mine that's become a poster child for environmental disasters will soon begin discharging wastewater. The Mount Polley Mine's tailings dam broke in August 2014, releasing more than 6 billion gallons of silty water and mineprocessing leftovers. Hazeltine Creek, once a

  • B.C.’s Mount Polley Mine to suspend operations due to

    Imperial Metals announced Monday it will suspend operations at Mount Polley Mine near Likely at the end of May, 2019 due to falling copper prices. The suspension will impact between 110 and 115 union employees, said Dan Will, business agent for United Steelworkers Local 1-2017. Many of those

  • 2010 Inspection Report Rev In-Progress

    MOUNT POLLEY MINING CORPORATION MOUNT POLLEY MINE TAILINGS STORAGE FACILITY REPORT ON 2010 ANNUAL INSPECTION (REF. NO. VA101-1/29-2) EXECUTIVE SUMMARY The Mount Polley Copper and Gold Mine is located in central British Columbia approximately 56 kilometres northeast of Williams Lake. Mount Polley Mining Corporation (MPMC) started production in

  • Tailings Basin Stability and Environmental Protections

    testing of the tailings resulting from the NorthMet process has confirmed that the tailings basin water will continue to be in a pH neutral range throughout operations and closure. Mount Polley tailings dam disaster On August 4, 2014, a tailings basin wall at the Imperial Metals Mount Polley copper mine in

  • Imperial Metals Gets C$108-million Settlement INN

    A fall at Red Chris came at a bad time, as workers at Mount Polley had been on strike since May 2018 and remained on strike through to August, chewing into the mine’s Q2 production by 31.8

  • The long-term environmental impacts of the Mount Polley

    On the 4 th August 2014 a tailings impoundment failure at the Mount Polley gold and copper mine in British Columbia, Canada, released approximately 25 million m 3 of solid and liquid waste into

  • Brazilian mine disaster renews tailings pond concerns

    Resources & Agriculture. at Imperial’s Mount Polley copper mine had been the worst such breach at a mine in recent years. squeezing the water from the wet waste ore. CEC uses a vacuum

  • The World Needs Copper. Does It Need the Pebble Mine?

    Nov 15, 2017· Companies have come up with new ways to process ore and extract metals. a dam failure at an iron ore mine in Brazil flooded entire In 2014 a dam burst at the Mount Polley mine