20-10-2019After a dam burst triggered a deadly flood in a Siberian gold mine, Russian authorities detained the head of the small mining company and two other people. The firm allegedly built several dams without authorization. Russia's federal investigators questioned three suspects on 1-4-2016Operations at the Gold Ridge mine were suspended in 2014 after it was found to have an extremely high level of contaminated water in its tailing dam following flash floods. Since the mine's closure, there have been numerous warnings that toxic sludge from the dam could overflow and harm communities downstream.

Mount Polley mine disaster

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 years worth of

Pebble Mine threatens Alaska's pristine Bristol Bay—home to the world's greatest wild salmon fishery. If fully developed, the massive proposed gold and copper mine could produce up to 10 billion tons of toxic waste. Even worse: That waste would then be held behind earthen dams in

27-8-2015Orange. That was the new color of the Animas River in Colorado. Contractors working for the EPA caused the blowout at the Gold King Mine in Silverton, Colorado. That released a plume of toxic orange-yellow sludge that eventually reached as far as Utah and

12-4-2000On January 30th 2000, the dam containing toxic waste material from the Baia Mare Aurul gold mine in North Western Romania burst and released 100,000 cubic meters of waste water, heavily contaminated with cyanide, into the Lapus and Somes tributaries of

A penstock is ideally located centrally in the dam and drains water (including stormwater). History of the dam. Number 4A in the Harmony Gold Mine tailings complex failed. The dam was designed in the early seventies by the mine's metallurgical manager and a representative from the tailings dam contractor.

View of the valley sludge pond from the mine entrance

29-9-1995- Mountaintop removal and reclamation introduces several new landforms to the coal fields. One of the introduced landforms is the wet refuse impoundment, a structure designed to store the waste from coal preparation plants. At the Goals Preparation Plant in Sundial, an A.T. Massey subsidiary, coal

13-2-2019Tailings dams are used to store water and waste that come as by products from the mining process. It is estimated there are at least 3,500 tailings dams around the world. But as there are around 30,000 industrial mines, the number of tailings dams is likely to be much higher. Tailings dams can be

3-12-2015Last month, a dam burst at an iron ore mine in southeastern Brazil, unleashing 50 million tons of highly toxic mud and mining waste, covering an area the size of 25,000 Olympic pools. Brazil is calling it the worst environmental disaster in its history. "It is not a natural disaster," Brazil's

4-8-2014Local residents are calling it an environmental disaster. A breach of the tailings pond on Mount Polley Mine sent five million cubic metres of toxic waste into Hazeltine Creek, Quesnel Lake and Polley Lake, with fears it could spread far and wide in the coming days. Residents in the area, along

21-10-2019The collapse of a dam at a gold mine in the Siberian region of Krasnoyarsk Krai, Russia, has claimed the lives of at least 15 miners. The dam located on the Seiba river burst after heavy rain, flooding cabins where the artisanal miners lived. The BBC reported that the mine

13-9-2016Owner of a private cut and fill gold mine gives us a detailed tour, demonstrates tools, equipment, construction and the geology of his mine. Some of the clips are a little out of focus. Long video that explains many of the technicalities seen in old mines.

30-9-2019To keep any hazardous materials out of local water supplies, mine operators contain the coal sludge in nearby valleys, behind huge earthen dams known as valley fills. On March 18, 2006, GeoEye's Ikonos satellite acquired this high-resolution satellite image of two sludge impoundments in Boone County, West ia.

Topic 4: Mine wastes From a series of 5 lectures on Metals, Tailings dam at Chatree Gold Mine are either swamped or carried downstream.A disastrous dam failure and flow of tailings occurred in 1985 at Prestavel mine in Stava, Italy.The dam breached as a result of heavy rains which caused overtopping.

Brazil′s Vale to pay damages over deadly mining dam

10-7-2019Brazil's Vale to pay damages over deadly mining dam collapse. Over 240 people were killed in January when a dam collapsed at a mine, releasing a wave of toxic sludge on a rural community. Brazilian mining giant Vale has now been handed its first conviction over the disaster.

30-7-2012Tailings Dams: Where Mining Waste is Stored Forever. Twitter; Facebook; E a tailings dam storing waste from bauxite mining collapsed due to heavy rain. The red toxic sludge from the dam spread over eight square km (more than three Anglo American Abandons "Alaska Gold" Mine. September 16, 2013. Partner in Pebble Mine Fires

At least 15 people have died and 13 others are missing after a dam collapse at a gold mine in Siberia. The dam, on the Seiba river in the region of Krasnoyarsk, burst after heavy rain on Saturday, flooding cabins where workers lived, Sputnik reports. The collapse of a dam on a water reservo

9-8-2015Gold Mine's Waste Sludge Spreads Downriver Into New Mexico EPA-supervised crew accidentally breached a debris dam at Colorado's Gold King Mine The governors of Colorado and New Mexico declared emergencies Monday, freeing up state funds to help clean up a mine spill that sent an estimated three million gallons of toxic, mustard-hued sludge surging through the regional river system.

25-11-2015The dam that burst and the dam that ruptured were earthwork structures holding a mix of water and extraction waste. Many modern mines use safety techniques such as radar and laser monitoring which should have warned of any structural problems, said John Tumazos, an independent mining analyst and consultant in New Jersey.

South Deep Gold Mine. Technical Short Form Report. South Deep Gold Mine is an intermediate to deep level gold mine comprising two shaft systems that mine various auriferous conglomerates from open ground and pillars that occur at depths between 1,575 m and 3,500 m below surface.

1-1-2017AngloGold Ashanti's Sunrise Dam gold mine is located approximately 55 kilometres south of Laverton, 730 kilometres north-west of Perth. Access is via an all-weather gravel road from Laverton or via the mine airstrip. The plant has been in operation for over 20 years, has produced over 6 Moz and at