Location: | Beltrami County, Minnesota, United States, North America |
Lat / long: | 47.93666, -94.54222 |
dep_id: | 10082811 |
mrds_id: | W062162 |
Commodity type: | metallic |
Major mineral: | Gold |
Operation type: | Unknown |
Production size: | Small ammount of material produced |
Development status: | Unknown |
ore: | Gold |
gangue: | Actinolite, Chlorite, Epidote, Garnet, Pyrite |
alteration: | Host Greenstone Was Probably Metamorphosed To Chlorite, Carbonate, Leucoxene And Other Alteration Products Prior To Contact Mineralization By The Trachite Porphyry. |
ore_ctrl: | 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. |
Reporter: | Sutphin, David M. (Cannon, W. F.), Mason Jr., G.T. |
hrock_type: | Greenstone |
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. |
References: |
- 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.
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