Mine detail: Cuyuna Reserve X-61

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Location: Crow Wing County, Minnesota, United States, North America
Lat / long: 46.36638, -94.13358
dep_id: 10072705
mrds_id: W018357
Commodity type: metallic
Major mineral: Iron
Operation type: Unknown
Production size: Medium ammount of material produced
Development status: Past Producer
ore: Hematite, Magnetite
gangue: Chert
orebody_fm: LINEAR TO IRREGULAR
model: 241: Superior Fe (BC name is Lake Superior & Rapitan types iron-formation)
Reporter: Sutphin, David M., Mason Jr., G.T.
hrock_unit: Trommald Formation
hrock_type: Iron Formation
References:
  • Deposit:: SCHMIDT, R.G.,1963. GEOLOGY AND ORE DEPOSITS OF THE CUYUNA NORTH RANGE, MINNESOTA, U.S.GEOL.SURV.,PROF.PAPER 407, 96P.
  • Deposit:: GROUT, F.F. AND WOLFF, J.F.,SR.,1955. THE GEOLOGY OF THE CUYUNA DISTRICT, MINNESOTA, MINN.GEOL.SURV.BULL. 36, 144P.
  • Deposit:: GROSS, G.A., 1984, ENRICHED IRON FORMATION, IN ECKSTRAND, O.R., ED., CANADIAN MINERAL DEPOSIT TYPES--A GEOLOGICAL SYNOPSIS: GEOLOGICAL SURVEY OF CANADA ECONOMIC GEOLOGY REPORT 36 , P. 20.
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