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 ...

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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 ...

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 ...

BEAUFORT, N.C. (WITN) - It might be a picturesque sight with the boats docked along the water, but environmentalists say such scenes can contribute to PFAs, also known as forever chemicals, in the ...

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 ...