Kolontár, Hungary: In 2010, 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 square ...

For example, mining experts say there is no way to insure against the failure of “wet tailings disposal” dams, like the Samarco dam that failed in 2015 – Brazil’s worst environmental ...

Every mining operation produces tailings. This can be coarse, like instant coffee granules, or fine, like cocoa powder. Tailings are typically mixed with water to form a liquid slurry that can be ...

The Montana Resources mine in Butte has applied to the Montana Department of Environmental Quality to amend the mine's permit to add capacity to the Yankee Doodle Tailings Impoundment dam.

Tailings dam design could change, NewRange tells tribal nations The company said it hadn't abandoned earlier plans, the focus of a Minnesota DNR review on whether the mining permit should be denied.

The disaster near the small town of Brumadinho in southeastern Brazil occurred shortly after midday on 25 January 2019. At a nearby iron ore mine, the tailings dam—a storage area for the sludgy ...

Tailings dams are embankments constructed near mines to store waste in a liquid or solid form. But 126 companies, many of them smaller, have yet to commit to the standard, leaving their ...

Artisanal mining often occurs close to an operating mine, even to access the same deposit. In many parts of Africa, illegal artisanal miners mine tailings storage facilities (TSFs) and rock dumps, ...

Venetia mine environmental manager Gavin Anderson states that Venetia has audits twice a year, ... slimes dams and tailings dumps are covered with a growth medium,” he concludes.

50 million litres of toxic mine waste recently flooded into Zambia’s Kafue River after the dam storing the mine waste collapsed. Mine specialists set out the issues.