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What is in Mount Polley Tailings? - Imperial Metals

Apr 06, 2016· At Mount Polley (MP), the valuable elements are copper (Cu), gold (Au) and silver (Ag) and they are found most commonly in the sulphide minerals, chalcopyrite (CuFeS 2) and bornite (Cu 5 FeS 4) These minerals are liberated by crushing and grinding the mined rock down to sand and silt sized particl A process known as flotation is then used ....

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TSF Breach | Imperial Metals

TSF Breach On the morning of August 4, 2014, the tailings storage facility (TSF) at the Mount Polley Mine (MPM) breached, spilling 171M m3 of supernatant and tailings pore water, and 79M m3 of tailings and earthen construction material While it was subsequently determined by geotechnical experts that the TSF itself had not failed, that the ....

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Hidden but Hot - Canadian Mining Journal

Jan 01, 2012· Mount Polley is an open pit mine where ore is processed through a rod/ball/pebble mill circuit producing a copper/gold concentrate The loading equipment is a combination of P&H 2100 shovels and loaders The haulage fleet includes 777 and 785C trucks and the primary crusher has the capacity to accept material from a 150 tonne truck...

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crushed rock Archives - Mount Polley

Mar 10, 2020· At Mount Polley, a process known as flotation is then used to separate the important copper-bearing minerals from the rest of the crushed ground rock The remaining crushed rock is considered waste (gangue) and is what makes up the tailings No cyanide is used at Mount Polley Read more about Tailings on the Mining Association of BC’s website ....

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mount polley mine Archives - Mount Polley

Mar 03, 2021· At Mount Polley, using the results of the detailed site investigations, , In the Mount Polley Mine, run-of-mine ore from the open pits and underground is hauled to the crusher The crusher has three stages of crushing involving five crushers, twenty conveyors and four sets of screens Ore is dumped by the surface mining fleet into the feed ....

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Mount Polley - Page 3 of 4 - Remediation and recovery journal

Jul 10, 2020· In the Mount Polley Mine, run-of-mine ore from the open pits and underground is hauled to the crusher The crusher has three stages of crushing involving five crushers, twenty conveyors and four sets of screens Ore is dumped by the surface mining fleet into the feed pocket of the primary gyratory crusher, and is then crushed in three stages to ....

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Design failure caused Mount Polley tailings breach, expert ,

Jan 30, 2015· "The Mount Polley disaster is a stark example of BC's stewardship of a project that the government and the developer claimed was safe We can't let a similar accident taint the rivers of the ....

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Mount Polley | Imperial Metals

Mount Polley is an open pit copper/gold mine with an underground component located in south-central British Columbia, 56 kilometres northeast of Williams Lake The property encompasses 20,113 hectares, comprised of seven mining leases totalling 2,007 hectares, and ,...

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CASE STUDY - One Eye Industries

MOUNT POLLEY MINING CORPORATION WILLIAMS LAKE, BC CANADA / MAY 2010 IMPROVED QUALITY OF OIL without the One Eye filter a significant proportion of this fine metal would have found its way back to the pinion bearings, gears and lubrication pump This could have lead to premature failures and costly unplanned maintenance”...

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What is in Mount Polley Tailings? - Imperial Metals

Apr 06, 2016· At Mount Polley (MP), the valuable elements are copper (Cu), gold (Au) and silver (Ag) and they are found most commonly in the sulphide minerals, chalcopyrite (CuFeS 2) and bornite (Cu 5 FeS 4) These minerals are liberated by crushing and grinding the mined rock down to sand and silt sized particl A process known as flotation is then used ....

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tailings storage facility Archives - Mount Polley

Mar 03, 2021· The following provides some comments from Mount Polley Mining Corporation (MPMC) on the Hamilton paper (Hamilton, et al 2020) regarding Quesnel Lake in relation to the TSF Breach at Mount Polley The note is divided into general comments, specific comments, and then provides an update on Quesnel Lake water quality, and some key observations from recent sediment and aquatic ,...

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Statement by Knight Piésold Ltd regarding the Mount ,

August 8, 2014, Vancouver, British Columbia – The breach of the tailings storage facility at Mount Polley is an extremely unfortunate incident and Knight Piésold Ltd shares the concerns with respect to the effects to local communities, First Nations and the environment Going forward, there will be a comprehensive examination of this incident and there will be questions about the ....

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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...

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John Macdonald - Mill Production Foreman - Imperial Metals ,

Mount Polley Jan 2005 - Sep 2014 9 years 9 months Mill Production Foreman Lac Des Iles Mines Ltd Aug 2003 - Jan 2005 1 year 6 , Mill Operator - Flotation,Grinding,Crusher, Dewatering Curragh Res Jul 1987 - Jul 1989 2 years 1 month Faro, Yukon Sink and Flot Operator and Labourer ....

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Four years in, still no fines, charges for Mount Polley ,

Aug 11, 2018· The Mount Polley mine tailings pond collapsed on Aug 4, 2014, spilling 24 million cubic metres of contaminated materials into Polley Lake, Hazeltine Creek and Quesnel Lake, a source of drinking water and major spawning grounds for sockeye salmon...

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Mount Polley, Porphyry copper deposit

Cariboo-Bell, Mt Polley: Tract name: Intermontane Island-Arc Cu-Au (003pCu2002x) Group name: Polley Group: Included sites: Bell pit, Boundary zone, Cariboo pit, Northeast Zone, Pond zone, Southeast zone, Springer pit, Wight pit, Wishbone; Group includes Lloyd-Nordik and Mount Polley ,...

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Dam Breach at Mount Polley Mine in British Columbia

Aug 05, 2014· An earthen dam at Mount Polley Mine in British Columbia breached on August 4, 2014, sending contaminated water surging into nearby lak Wastewater and metal-laden sand spilled from a retention basin and triggered a water-use ban in Likely, British Columbia, and other nearby towns Local authorities had lifted the ban as of August 12 The Operational Land Imager (OLI) on Landsat 8 ,...

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Randy Ratz - Mill Shift Supervisor - Imperial metals Mount ,

Crusher Supervisor at Victoria Gold Williams Lake, British , Imperial metals Mount Polley Mine Report this profile About Experienced Shift Supervisor with a demonstrated history of working in the mining & metals industry Skilled in Operations Management, Supervisory Skills, Mining, Management, and Continuous Improvement...

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Four years in, still no fines, charges for Mount Polley ,

Aug 11, 2018· The Mount Polley mine tailings pond collapsed on Aug 4, 2014, spilling 24 million cubic metres of contaminated materials into Polley Lake, Hazeltine Creek and Quesnel Lake, a source of drinking water and major spawning grounds for sockeye salmon...

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Mount Polley Remediation - Posts | Facebook

Mount Polley Remediation 3,097 likes 19 talking about this The Mount Polley Remediation project documents the amazing recovery efforts at Polley lake, Quesnel lake, and Hazeltine creek and is a....

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Major Mines & Projects | Mount Polley Mine

Aug 23, 2019· In the Mount Polley mill, run-of-mine ore from the open pits is hauled to the crusher The crusher has three stages of crushing involving five crushers, twenty conveyors and four sets of screens The ore is dumped into the feed pocket of the primary gyratory crusher, crushed in three stages to produce a product at finer than 16mm for the ....

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Mount Polley mine disaster 5 years later; emotions ,

Aug 04, 2019· The firm said the suspension would not impact ongoing environmental and remediation work at the Mount Polley site An Imperial Metals spokesman ,...

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Mount Polley Mine Tailing Dam Breach - Province of British ,

Aug 04, 2014· Summary A tailings dam failure at the Mount Polley Mine occurred on August 4, 2014 resulting in the loss of about 17 million cubic meters of water and 8 million cubic meters of tailings/materials into Polley Lake, Hazeltine Creek and Quesnel Lake having significant impact An emergency response was undertaken by the Province involving various ....

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Lessons learned from the Mount Polley disaster ,

Aug 10, 2020· The Mount Polley Tailings pond was a modified centreline design When the Mount Polley mine was first being designed, Imperial Metals (TSX:III) CEO ,...

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Geotechnical Investigation of the Mount Polley Dam Failure ,

In August 2014, the Mount Polley mine tailings dam failed in the Cariboo region of British Columbia, Canada, resulting in a catastrophic release of stored tailings and water KCB was retained by the British Columbia Ministry of Energy and Mines to investigate the geotechnical reasons for the dam’s failure The six-month forensic investigation ....

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Tailings storage facility breach at Mount Polley copper ,

Aug 06, 2014· In the Mount Polley mill, run-of-mine ore from the open pits is hauled to the crusher The crusher has three stages of crushing involving five crushers, twenty conveyors and four sets of screens The ore is dumped into the feed pocket of the primary gyratory crusher and the product is discharged to the grinding circuit at finer than ....

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Six years after Mount Polley disaster, expert ,

Aug 04, 2020· Six years after the Mount Polley disaster, BC and international regulatory organizations are still failing to make mining safe, according to several groups monitoring the industry “The Mount Polley disaster should have created a massive overhaul in rules and regulations to reduce risks to communities and watersheds, but it didn’t,” Nikki Skuce, director of Northern Confluence, an ....

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Aerial view of destruction caused by Mount Polley Mine ,

Extended footage of the destruction caused by the August 4, 2014, breach of the Mount Polley gold and copper mine tailings pond Officials are calling the to....

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TSF Breach | Imperial Metals

TSF Breach On the morning of August 4, 2014, the tailings storage facility (TSF) at the Mount Polley Mine (MPM) breached, spilling 171M m3 of supernatant and tailings pore water, and 79M m3 of tailings and earthen construction material While it was subsequently determined by geotechnical experts that the TSF itself had not failed, that the ....

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Mount Polley Mine - MineralsEd: By Teachers, For Teachers

Mining Method: Surface mining at Mount Polley uses conventional open pit methods and is currently focussed in one pit, the Cariboo Pit Blasted rock is loaded into haul trucks by using an electric shovel, a front end loader, or an excavator Trucks haul the ore to a crusher located next to the mill...

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