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MINNEAPOLIS (AP) — New data suggest that a proposed mine near Ely contains one of the world’s largest deposits of copper, nickel and precious metals, along with some of the largest platinum and palladium resources outside South Africa, the company planning the mine told analysts Wednesday.
Duluth Metals Ltd., the Canadian-based parent of Twin Metals Minnesota LLC, significantly boosted its estimates of what could be pulled from the mine based on the data projections, which are measured two ways.
The company said the site has “indicated resources” of 8 billion pounds of copper, 2.5 billion pounds of nickel and 12.1 million ounces of palladium, platinum and gold. The company is highly confident in those estimates because they are based on samples taken from a high number of drill sites.
Duluth Metals separately projects “inferred resources” of 13.5 billion pounds of copper, 4.6 billion pounds of nickel and 15.8 million ounces of precious metals. Those estimates are less certain because they’re based on fewer bore holes.