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MINNEAPOLIS (AP) â¿¿ 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.
"This is a monster deposit," Duluth Metals Chairman and CEO Christopher Dundas told analysts during a conference call. He estimated the value of the metals at more than $100 billion.
The site is just east of Birch Lake, about 15 miles southeast of Ely. Twin Metals has been drilling extensively in the area for several years and expects to update its projections in August with results from 170 more holes drilled over the past nine months. It also plans further explorations on other land it controls in the area.
Twin Metals said it expects to invest $2 billion to develop the mine and it will create hundreds of badly needed jobs in northeastern Minnesota. Any mining is likely years off. The company is doing a "prefeasibility study" to lay the foundation for the mine plan and environmental impact statements, and that's not expected to be completed until the end of 2013, at the earliest.