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Overview Based on Indicated and Inferred Resources for the Nokomis Deposit, the Nokomis Deposit ranks as one of the largest Polymetallic Resources to be discovered in North America in decades containing a higher than average grade for deposits within the Duluth Complex. The Nokomis Deposit is located in Northeastern Minnesota, southeast of the town of …
OverviewBased on Indicated and Inferred Resources for the Nokomis Deposit, the Nokomis Deposit ranks as one of the largest Polymetallic Resources to be discovered in North America in decades containing a higher than average grade for deposits within the Duluth Complex. The Nokomis Deposit is located in Northeastern Minnesota, southeast of the town of Ely, 300 kilometers from Thunder Bay, Ontario and 70 kilometers to Lake Superior. The property is in close proximity to major infrastructure such as ports, railways, power and roads and the established mining district known as the Iron Range. Duluth Metals Nokomis Deposit – Potential to be One of the World’s Low Cost ProducersAn updated Interim Resource Estimate for the Nokomis Deposit was received on June 4, 2008 from Scott Wilson Roscoe Postle Associates Inc. which is based on drilling completed to April 2008. The Updated Nokomis Resource Estimate defines 449 million tonnes Indicated Resources grading 0.624% copper, 0.199% nickel, 0.600 grams per tonne TPM (copper equivalent grade of 1.46%), plus an additional 284 million tonnes of Inferred Resources grading 0.627% copper, 0.194% nickel, 0.718 grams per tonne TPM (copper equivalent grade of 1.50%). (Note – Copper Equivalent is based on US metal prices of: Copper – $1.75/lb, Nickel – $7.00/lb, Cobalt – $10.00/lb, Gold – $600/oz, Platinum – $1,100/oz, Palladium – $350/oz and Silver – $8.50/oz, and the methodology with metallurgical recoveries, refining costs and other charges being considered for all metals in accordance with the Net Smelter Return Factors contained in the January 22, 2008, NI 43-101 Scoping Study produced by Scott Wilson RPA.) CONTAINED METALS IN EXPANDED NOKOMIS RESOURCE*:
*Based on resource estimated at 1.0% copper equivalent cut-off The new Scoping Study used three metal price scenarios (all monetary units are in $US) to examine the economics of developing and mining the Nokomis Deposit:
This new Preliminary Assessment for the Nokomis Project encompasses the following general process flow: Ore production rate of 40,000 tonnes per day, or 14 million tonnes per year; Underground mining by blasthole open stoping with partially recoverable pillars; Underground access by shaft and ramp; Underground ore handling by conveyor systems; Underground primary crushing, further crushing and grinding on surface; Transfer from mine to concentrator via 10 km slurry line; Agitated holding tanks at mill with a minimum capacity of 11,000 m3; Flotation concentration, producing a bulk copper-nickel-cobalt-PGM-gold concentrate; Hydrometallurgical processing using PLATSOL™ process; Production of saleable copper and nickel metal via standard electrowinning, and production of cobalt and PGM-gold products to be shipped to refineries for final processing to metal; and a brownfields tailings disposal facility within three kilometers of the processing site. Management
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