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Twin Metals LLC is seeking approval to create and operate a copper sulfide mine near Ely, Minnesota, on Superior National Forest land. There has been significant opposition to the proposed mine, most notably because of its proximity to the Boundary Waters Canoe Area Wilderness, location within a watershed that drains into the BWCA, and the air, water, light and noise pollution and traffic ...
Hibbing (pop. 16,361) is the largest city by area in the state of Minnesota. It is home to the Hull–Rust–Mahoning Open Pit Iron Mine, one of the world's largest open pit iron mines. Hoyt Lakes (pop. 1,888) is in the eastern Mesabi Range. Erie Mining Company previously mined ore and testing to mine new minerals is ongoing.
Iron mines in Minnesota (9 P) ... Twin Metals mine This page was last edited on 15 April 2020, at 12:25 (UTC). Text is available under the Creative ...
The company involved, Twin Metals Minnesota, is operated by a Chilean company, Antofagasta PLC. [10] It says it plans "to build modern mines that must go through a rigorous regulatory process before they can move forward", but environmentalists are concerned that runoff from the mining operation could damage the BWCA wilderness area.
The Minnesota Supreme Court in 2021 ordered the DNR to gather more evidence on whether the mine’s waste basin wo Proposed NewRange copper-nickel mine in Minnesota suffers fresh setback on top of ...
Like much of Minnesota, the Twin Cities area was shaped by water and ice over millions of years. The area's land sits atop thick layers of sandstone and limestone laid down as seas encroached upon and receded from the region. Erosion caused natural caves to develop, which were expanded into mines when white settlers came to the area.
Glencore already owns 82% of PolyMet Mining and has long been the project's main financial backer. It offered Monday to pay around $71 million to raise that stake to 100%, which would take St ...
The Antofagasta PLC subsidiary Twin Metals Minnesota would operate a proposed mine. [38] In October 2021, the Biden administration filed an application for a "mineral withdrawal" that will put a hold on the development of the mine proposal while the environmental impacts are studied. The completed study could lead to a 20-year ban on mining ...