Biden Administration puts 20-year ban on mining in 225k acres in northeastern Minnesota; huge blow to Twin Metals copper project
Green Car Congress
JANUARY 28, 2023
Twin Metals is targeting the minerals within the Maturi deposit, part of the Duluth Complex geologic formation—one of the largest undeveloped deposits of these minerals in the world, with more than 4.4 billion tons of ore containing copper, nickel and other strategic minerals.
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