The safety of storing mining waste in a tailings basin has been a critical part of the debate over copper-nickel mining in northern Minnesota, with some environmental advocates warning that failures ...

Twin Metals, the company hoping to build an underground copper-nickel mine in the same watershed as the Boundary Water Canoe Area Wilderness, no longer plans to store its tailings behind a dam and ...

FLSmidth will deliver an integrated dry stack tailings solution and a paste fill plant to a Hindustan Zinc Limited (HZL) lead-zinc mine in Rajpura Dariba, Rajasthan. The solution will ensure ...

ST. PAUL — The developers of a proposed copper-nickel mine on the edge of the Boundary Waters Canoe Area Wilderness said Thursday they plan to use a potentially safer dry method of storing mine waste ...

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VANCOUVER, British Columbia, April 29, 2021 (GLOBE NEWSWIRE) -- Eldorado Gold Corporation (“Eldorado” or “the Company”) is pleased to announce that the Greek Ministry of Energy and Environment has ...

SAO PAULO, Feb 21 (Reuters) - Brazilian steelmaker Gerdau SA plans to invest 300 million reais ($79.6 million) through 2021 to implement a mining process known as dry stacking in the Brazilian state ...

The Isle of Palms Planning Commission voted to recommend that city council not consider dry-stack storage in the redesign of the city marina. The commission made the decision unanimously at a special ...