Metallurgical Processing of PolyMet's NorthMet Deposit
Steel Mining Company taconite iron ore processing plant which is loed about 7 miles from the NorthMet deposit. The plant and associated mining operations were closed in early 2001 due to bankruptcy and at its peak, this plant processed over 90,000 long tons/ day of taconite iron ore via a four stage crushing, grinding and flotation process. PolyMet is now the owner of this plant (purchase ...