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Mine waste dams threaten the environment, even when they ...

As one indicator of their potential scale, the Red Chris , which has operated since 2015 in the headwaters of the Stikine River, maintains a reservoir dam that is permitted to ...

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Tailings and Mine Waste 2020 Conference Series ...

and Waste 2020 was brought to you by Colorado State University in conjunction with the Norman B. Keevil Institute of Mining Engineering at the University of British Columbia and the University of Alberta. The conference website is proudly hosted by C3 Alliance Corp.

Tailings -

 · Terminology. are also called dumps, culm dumps, slimes, tails, refuse, leach residue, slickens, or terra-cone terrikon.. Examples Sulfide minerals. The effluent from the from the mining of sulfidic minerals has been described as "the largest environmental liability of the mining industry". These contain large amounts of pyrite FeS 2 and IronII sulfide FeS ...

Trump-signed bill extends life of area mill tailings ...

 · A local Department of Energy uranium mill disposal site has gotten a new lease on life under language included in the massive COVID …

Treasure from trash: how mining waste can be mined a ...

 · Instead of being simply dumped, can be re-mined. Through this process, characterisation of these wastes will allow for tailor-made, ly …

Global mine standards rest on voluntary compliance ...

 · At the Red Chris , a dam contains a pond. that collects waste. Northwest B.C., 2017. Courtesy of Garth Lenz An effort to create global industry standards for …

Opinion | Brazil’s Lethal Environmental Negligence - The ...

 · After the catastrophic rupture of a - dam in Brazil last week, leaving behind at least 110 dead, 238 missing and an environmental disaster of epic proportions, the police were quick to ...

Worker missing after dozer falls through ice on tailings ...

 · The family of a 25-year-old man missing after a dozer fell through ice Wednesday on a pond at Suncors Base Plant north of Fort McMurray, Alta., have identified him as Patrick Poitras. Poitras was driving across the frozen pond around 3 p.m. when the ice gave way. As of Thursday afternoon, he remained unaccounted for. From Saint-André, a small community along the western …

Distraction or disaster? Freeport’s giant Indonesian mine ...

In April, in follow-up action to the audit, the environment minister issued two decrees that gave Freeport six months to overhaul management of its waste, or , at Grasberg, the world ...

AP Explains: What are dangers of mining waste in Brazil ...

 · A single large can produce hundreds of thousands of tons of each day that are typically pumped into a massive holding area behind a …

Proposed U.P. mine faces mounting troubles ⋆ Michigan Advance

 · A controversial proposed open pit metallic sulfide on the Michigan-Wisconsin border has suffered major financial and permitting setbacks due to the ongoing COVID-19 pandemic and increasing public concerns over the safety of dams to store waste. The proposed Back Forty would be located next to the Menominee River, which flows into […]

Worker missing after dozer breaks through frozen tailings ...

 · A worker is missing after a dozer broke through ice on an inactive Suncor pond in northern Alberta. Suncor Energy Inc. spokeswoman Erin Rees says crews responded to the accident Wednesday afternoon at the site near Fort McMurray. She says the dozer operator has not been found. The worker was an employee of Christina River ...

Mine Waste and Tailings Conference 2021

Waste and Stewardship Conference. Conference overview. Embracing the opportunity to provide world-leading professional development and networking opportunities to the global resources community, we are excited to announce the Waste and Conference will be delivered in a hybrid event format. Delegates will now be able to attend in person or access the conference ...

Successful cleanup of mine tailings, creek near Cooke City ...

 · State, federal and local leaders are celebrating the successful environmental restoration of an abandoned site and nearby creek in the Cooke City area. Gov. Steve Bullock held a briefing in Helena Monday to discuss the cleanup of the McLaren mill and site and Soda Butte Creek. “It’s ra

Australian mine tailings dams identified as high risk in ...

Four extreme-risk BHP dams located at the Olympic Dam SA, Whaleback iron ore SA, Pilbara WA, and the Leinster WA Two high-risk dams inside Rio Tintos Andoom ...

Eleventh meeting of the Conference of the Parties | UNECE

 · 1. Seminar on safety Online, 1 Dec 2020 Due to the limited time available for the CoP-11, the seminar on safety could no longer be organized as part of the CoP-11. The seminar will be held as a separate online event of maximum three hours on 1 December 2020.

DEQ Approves Expansion Of Butte Mine Tailings Pond | MTPR

MRs VP of Environmental Affairs Mark Thompson says the expansion of the facility buys the 10 more years of operation. MR applied for a permit to expand the site in 2017. Driscoll, with DEQ, says it is possible the company may wish to again expand the waste storage pond to continue the life of its open pit copper-molybdenum ...

Mine sparks tailings tussle in Indonesia | The Myanmar Times

 · sparks tussle in Indonesia Every year, Freeport-McMoRan Inc dumps tens of millions of tonnes of mining waste into the Ajkwa River system in Indonesia. The company has been doing it for decades, and is demanding the right to keep at it for decades to come.

How can the Donlin Mine even be safe? | The Delta ...

“Is Calista partnering to create a subsistence committee made up of residents from the YK Region to provide feedback and comments to Donlin and Calista? Yes. Does Calista prioritize using the best-available environmental protections and the strongest and most stable dam design which has never experienced a significant failure for ?

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