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 ...
Your donation today will help MinnPost continue to report on the news you need. The safety of storing mining waste in a tailings basin has been a critical part of the debate over copper-nickel mining ...
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 ...
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 ...
The records request to the Minnesota Department of Natural Resources resulted in the release of 17 files of e-mails to and from the agency's commissioner since Jan. 1. The topic: PolyMet and Twin ...
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