Mine detail: Robert Mine

Previously called ''

<< Back to the map

Location

Lat / long: 46.52499, -93.92136

Resource(M)

Primary: Iron
Ore: Hematite, Magnetite
Gangue: Chert
Orebody form: LINEAR TO IRREGULAR

Production

Operation type: Unknown
Production size: Medium
Development status: Past Producer
First production started: 1911

Geology

Host rock:Trommald Formation
Host type:Iron Formation

References

MRDSW018253
DEP10105828
Reference{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.}{Production:: TRETHEWEY, W.D., 1974, UNIV. MINN. BULL., MINING DIRECTORY ISSUE}
ReporterSutphin, David M., Mason Jr., G.T.