The story of iron, in Minnesota, began over one and one-half billion years ago when a vast, shallow sea covered the northern part of the state we know today. The Mesabi Range began in this sea, which contained concentrations of iron and silica. The iron and silica settled to the bottom of the sea and formed thick layers of iron-bearing sediments. As time went on, the sea disappeared, leaving these …
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IronMining Association ofMinnesota324 West Superior Street, Suite 502 • Duluth, MN 55802 Email: [email protected] • Ph: 218-722-7724 • Fax: 218-720-6707MinnesotaWeb Design by W.A. Fisher Co.
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Jan 23, 2017· 1. The Iron Range is actually a series of ranges across seven counties in Minnesota's Arrowhead region.
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IronMining Association ofMinnesota324 West Superior Street, Suite 502 • Duluth, MN 55802 Email: [email protected] • Ph: 218-722-7724 • Fax: 218-720-6707MinnesotaWeb Design by W.A. Fisher Co.
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Furthermore,iron oreis being recovered from oldironmining waste materials, called tailings, on the MesabiRange. Nonferrous minerals manganese, copper, nickel, platinum, and titanium exist inMinnesotain minable quantities, but under current market conditions are not being mined.
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