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Already reported as the world’s largest untapped deposit of copper, the Twin Metals mine exploration area near Ely contains even more copper, nickel, platinum and other valuable metals than previously estimated, the mine’s parent company said Wednesday.
Already reported as the world’s largest untapped deposit of copper, the Twin Metals mine exploration area near Ely contains even more copper, nickel, platinum and other valuable metals than previously estimated, the mine’s parent company said Wednesday.
Toronto-based Duluth Metals released an updated resource estimate that’s double its 2009 estimate, though the new findings aren’t likely to change the already developing plans for Twin Metals mining operations.
Data gathered from exploratory drill sites, including 170 new drill core samples reviewed in the past nine months, indicate a staggering 8 billion pounds of copper, 2.5 billion pounds of nickel and 12 million ounces of palladium, platinum and gold underground at the site along Highway 1 near the Kawishiwi River.