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 ...

Add Yahoo as a preferred source to see more of our stories on Google. By Marta Nogueira and Ernest Scheyder RIO DE JANEIRO/HOUSTON, Jan 29 (Reuters) - Brazilian miner Vale SA identified concerns ...

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 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 ...

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 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 ...

A sweeping global standard that sets out how the world's largest miners care for waste dams falls short of measures environmental and civil society groups say are needed to avert future disasters, ...

(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 ...

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 ...