Minnesota · Cook County
Occurrence

Mcfarland Lake Prospect

Cook County, Minnesota, United States
SilverGold
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver, Gold
Commodity typeM
Deposit
Deposit sizeU
Ore controlLocal Brecciation. Sims And Day (1992) Note That The Fundamental Regional Control On Gold Deposits In The Superior Province Is Transcurrent And Oblique Slip-Shear Deformation Zones That Formed In Late Archean Time.
Materials
Ore mineralsGold, Silver
GanguePyrite, Quartz
Geology
Host rockSlate · Rove Slate;
Tectonic settingSuperior 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.
Economic & production
Development statusOccurrence
Identification
Deposit ID10082808
MRDS IDW062159
RegionNA
Data scoreC
Coordinates48.06417, -90.10261
References
GROUT, F.F., 1937, PETROGRAPHIC STUDY OF GOLD PROSPECTS OF MINNESOTA: ECONOMIC GEOLOGY, V. 32, NO. 1., P. 56-68.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.