The company said it hadn't abandoned earlier plans, the focus of a Minnesota DNR review on whether the mining permit should be denied. Plans for the NorthMet project include building dams to increase ...

RIO DE JANEIRO/HOUSTON (Reuters) – Brazilian miner Vale SA identified concerns around its tailings dams in 2009 and studied but did not implement several steps that could have prevented or lessened ...

With the latest tailings dam standards demanding a longer-term view of design, construction and closure outcomes, there is growing interest in design philosophies that incorporate shapes and processes ...

A recent article in the Anchorage Daily News reported on a presentation of hypothetical dam break simulations for a tailings storage facility (TSF) at the proposed Pebble Mine. The presentation was ...

A tailings dam collapsed last month in Brazil, killing more than 150 people. That accident raised fears among some residents in the Yukon-Kuskokwim Delta about the safety of the tailings facility and ...

WINNEMUCCA, Nev., July 14, 2020 (GLOBE NEWSWIRE) -- Paramount Gold Nevada Corp. (NYSE American: PZG) ("Paramount” or “the Company”) announced today that the Oregon Water Resource Department (“OWRD”) ...

A six-week public consultation launched on Friday will help set global standards to improve mining safety, aiming to prevent any repeat of the Vale tailings dam disaster in Brazil that killed 300 ...

HOYT LAKES - Of the bad things that could happen once PolyMet starts running Minnesota's first-ever copper mine, critics say, among the worst would be a catastrophic breach of the tailings basin dam.A ...

A massive tailings pond breach in 2014 spilled 24 billion cubic meters of mine waste into a British Columbia watershed. (Photo credit: Canadian Ministry of the Environment) I read with great interest ...

(Adds Vale announcement on mining decommissioning) By Marta Nogueira and Ernest Scheyder RIO DE JANEIRO/HOUSTON, Jan 29 (Reuters) - Brazilian miner Vale SA identified concerns around its tailings dams ...