BREAKING NEWS: Twin Metals Minnesota Proposes Most Technologically Advanced Mine in Minnesota History
The future of mining in Minnesota looks even brighter today as Twin Metals Minnesota announced they will protect Minnesota’s water resources at their planned copper-nickel mine in northern Minnesota by using a method called dry stack tailings storage, which is often touted by environmental groups as the best way to store waste rock left over from the mining process. This technology eliminates the storage ponds and dams associated with conventional tailings facilities and it has been successfully used in four mines in the northern United States and Canada with similar climates to Minnesota and has been permitted at two mines in...
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