Mine detail: Lake Saganaga-Gold Island Prospect

Previously called ''

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Location

Lat / long:

48.20222, -90.93931

Resource(M)

Primary:	Gold
Ore:	Gold
Gangue:	Fluorite, Quartz

Production

Operation type:	Unknown
Production size:	Small
Development status:	Unknown

Geology

Host type:	Granite
Tectonic:	Superior Province, Relatively Undisturbed Archean Craton, The Southern Half Of Which Consists Of Dominantly Alternating Belts Of Volcanic-Plutonic (Greenstone-Granite) Terranes And Metasedimentary Rock Terranes.
Alteration processes:	Dark Minerals In The Granite Are Almost Completely Changed To Carbonate.

References

MRDS	W062163
DEP	10082813
Reference	{Deposit:: GROUT, F.F., 1937, PETROGRAPHIC STUDY OF GOLD PROSPECTS OF MINNESOTA: ECONOMIC GEOLOGY, V. 32, NO. 1., P. 56-68.}{Deposit:: SIMS, P.K., AND DAY, W.C., 1992, A REGIONAL STRUCTURAL MODEL FOR GOLD MINERALIZATION IN THE SOUTHERN PART OF THE ARCHEAN SUPERIOR PROVINCE, UNITED STATES, IN SIMS, P.K., AND CARTER, L.M.H., EDS., CONTRIBUTIONS TO PRECAMBRIAN GEOLOGY OF THE LAKE SUPERIOR REGION: U.S. GEOLOGICAL SURVEY BULLETIN 1094-M, 19 P.}
Reporter	Sutphin, David M. (Cannon, W. F.), Mason Jr., G.T.