Sentences with phrase «tailings dam»
A tailings dam is a special type of dam used in mining operations to contain leftover waste materials called tailings. These tailings are created when minerals are extracted from rocks, and they are stored in the dam to prevent them from spreading into the surrounding environment. The dam helps to safely store and manage this waste until further treatment or disposal can be done. Full definition
In the case of tailings dams, many mining companies perform seismic hazard studies as part of the design process to make sure they can withstand a major earthquake, but not all do so, according to Assumpção.
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VICTORIA — The B.C. Liberal government's admission that the mining ministry has been underfunded shows they are bracing for a scathing report this week on the Mount Polley tailings dam failure, said New Democrat leader John Horgan.
The failure of the Mount Polley tailings dam shocked British Columbians, created an environmental disaster and undermined public confidence in our mining industry and the communities and families who depend on mining jobs.»
RUSSIA A compilation of documents related to the Karamken Gold Mine Tailings Dam break of August 28, 2009.
«We have process solutions for several of our customers» key challenges, such as tailings dam management and reprocessing.
Mill Tailings Dam Break at Church Rock, New Mexico, Oversight Hearing before the Subcommittee on Energy and the Environment of the Committee on Interior and Insular Affairs before the House of Representatives, October 22, 1979.
Junior miner Red 5 has suspended milling operations at its Siana gold mine in the Philippines after its damaged tailings dam was deemed unrecoverable.
Production at Cadia was halted on March 9 when one of the mine's two tailings dams suffered a wall slide, and there were initially fears the New South Wales mine could be out of action for months.
Sustaining capital expenditure is expected to be higher in the second quarter as the North American construction season ramps up for significant sustaining projects such as tailings dam raises.
Morningstar analyst Mathew Hodge said while tailings dam inspections were a normal part of the due - diligence process, companies had been especially vigilant after last year's tragedy at the Samarco iron ore operation in Brazil, owned by BHP Billiton and Vale.
A recent example was the series of tremors of magnitudes 2.01 - 2.55 that occurred in Mariana, Minas Gerais state, three days before the collapse of the Fundão tailings dam owned by Samarco, resulting in the worst environmental disaster in Brazilian history.
; «Poorly Engineered Tailings Dams,» links relating to uranium and alternative energy; a detailed glossary; and a detailed uranium discussion guide.
«Unresolved Issues and Recommendations for Resolution Concerning the Church Rock, New Mexico Uranium Tailings Dam Failure of July 16, 1979» - C. Shuey and L. Taylor, SRIC, August 1982.
The US firm has been instructed by the companies to look into the cause of a breach in the Fundao tailings dam and the Santarem water dam, which burst at the Samarco Mineracao iron ore operation in Minas Gerais, Brazil on 5 November.
There was a mine, Samarco mine in Brazil, they had a mine tailings dam, basically it's when you have an iron ore mine or any type of mine, you're going to have some sort of place where you have mine tailings, all the reject and waste that's related to the mine.
«There were no regulations that required seismic studies for approval of tailings dams,» he said.
VICTORIA - Last week Mines Minister Bill Bennett seized on a single finding of the expert panel report on the failure of the Mount Polley Tailings Dam to explain away the B.C. Liberal government's responsibility for the significant damage to the...
Early in 2015, he was forced to extend another $ 30 - million loan to Imperial Metals Corp., in which he is the company's largest shareholder, to help with the cleanup after a tailings dam burst at its Mount Polley mine in 2014.
Norbert Morgenstern, a geotechnical engineering professor that presented the results, said liquefaction occurred because sand in the tailings dam was «loose, uncompacted and saturated.»
After a tailings dam burst at Imperial Metals» Mount Polley mine in B.C. in August, Edwards pumped $ 40 million into the company as part of a $ 100 - million emergency bond issue.
But Newcrest has recently resumed placement of mine wastes in the unaffected tailings dam at Cadia, and has won approval to use an old, nearby mine pit as a temporary tailings dam.
«Premier Clark's failure to deal openly and transparently with this tailings dam failure will hurt not only mining and other resource industries that drive our economy, but also the workers and communities who rely on them,» said Macdonald.
«While we're pleased that Imperial Metals is taking steps to repair the tailings dam and get...
«We can only hope the Mount Polley report gets to the bottom of how much Liberal cuts to inspections and staffing in this industry contributed to the tailings dam failure,» said spokesperson for interior economic development Katrine Conroy.
Sandeep Biswas says the Cadia mine will not meet its full - year guidance after a tailings dam wall fa
«BHP reviewed all of their tailings dams after Samarco so I think everyone has been doing the same and looking again at their tailings dams after that failure.»
Speculation the takeover would not be completed has been fired up by a series of setbacks, including early concerns about capital gains tax owed to the government of Sierra Leone by Sierra Rutile shareholders, an extended review by German anti-trust regulators, and then last week the revelation of «geotechnical risks» at the target's tailings dams.
Iluka Resources has opted to push ahead with its $ 425 million takeover of mineral sands rival Sierra Rutile despite identifying issues with two of the London - listed company's tailings dams.
Iluka Resources will push ahead with its takeover of Sierra Rutile despite identifying issues with two tailings dams.
While the market appeared concerned by last week's announcement about the tailings dams, with shares in Iluka dropping 22 cents or 3.4 per cent to $ 6.28 per share on the news, Mr Hodge said he was confident Iluka had resolved the concerns about the dams.
«The tremors that occurred before the collapse of Samarco's tailings dam in Mariana, for example, occur all the time and are felt only when they occur near a town or city,» Assumpção said.
Despite its low magnitude, the epicenter of a 2.5 tremor occurred only 1 km from the tailings dam, according to a statement by Samarco in a report on the causes of the accident prepared by an international committee of experts that analyzed the dam geotechnically.