Mine detail: Little America Mine

Previously called 'Little America Gold Mine'

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Location

Lat / long: 48.60222, -93.16829

Resource(M)

Primary: Gold
Tertiary: Sulfur-Pyrite
Ore: Chalcopyrite, Gold, Pyrite
Gangue: Tourmaline, Quartz
Orebody form: IRREGULAR
Discovery year: 1893

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
First production started: 1894

Geology

Associated rock:Coutchiching (Seine Series) Biotite Schists
Associated type:Greenschist

References

MRDSW018679
DEP10072942
Reference{Deposit:: GROUT, F.F., 1937, PETROGRAPHIC STUDY OF GOLD PROSPECTS OF MINNESOTA; ECON. GEOLOGY, V.32., P.56-68.}{Deposit:: WINCHELL, H.V. AND GRANT, U.S., 1894,PRELIMINARY REPORT ON THE RAINY LAKE GOLD REGION., GEOL. AND NAT. HIST. SURVEY OF MINN. 23RD ANNUAL REPORT - LARGELY REPRINTED IN FINAL REPORT VOL. 4, 1895.}{Deposit:: 1894 RECON M.G.S. - H.V. WINCHELL AND U. S. GRANT}{Deposit:: 1937 OTHER M.G.S. - F. F. GROUT}{Production:: SIMS, P.K. AND G.B. MOREY, ED., 1972, GEOL. OF MINN; A CENTENNIAL VOLUME., P. 172.}
ReporterSutphin, David M., Mason Jr., G.T.