The Tazimina is a zinc, copper, and lead mine located in Alaska.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
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Tazimina MRDS details
Site Name
Primary: Tazimina
Commodity
Primary: Zinc
Primary: Copper
Primary: Lead
Secondary: Silver
Location
State: Alaska
District: Bristol Bay
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Massive sulfide, kuroko
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Unknown
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Bornite
Ore: Chalcopyrite
Ore: Pyrite
Ore: Copper
Gangue: Chlorite
Gangue: Quartz
Gangue: Sericite
Comments
Comment (Commodity): Ore Material = Copper (native)
Comment (Exploration): Status = Inactive
Comment (Workings): Workings / Exploration = Massive sulfide boulders up to six feet in diameter contain 17 ppm Ag, 5,000 ppm Cu, 5,000 ppm Pb, and 30,000 ppm Zn (Resource Associates of Alaska, 1976).
Comment (Reserve-Resource): Reserves = No reserves
Comment (Production): Production Notes = No production
Comment (Reference): Primary Reference = Resource Associates of Alaska, Inc., 1976
Comment (Geology): Geologic Description = Mineralization is confined to older schistose rocks; the Lake Clark quartz-sericite-chlorite schist contains 1 percent to 10 percent disseminated pyrite and local massive-sulfide pods having as much as 50 percent pyrite. Chalcopyrite and native copper disseminated as small grains in trace amounts. Some six-inch sulfide veins or beds parallel to the foliation of schist contain 60 percent pyrite, 20 percent quartz, 10 percent magnetite, 5 percent chalcopyrite, 1 percent bornite, and trace of native copper. Massive sulfide float boulders up to six feet in diameter contain 17 ppm Ag, 5,000 ppm Cu, 5,000 ppm Pb, and 30,000 ppm Zn. These boulders could be glacial erratics but the source is believed to be within 90 meters of their current location (Resource Associates of Alaska, 1976).
Comment (Deposit): Other Comments = Resource Associates of Alaska, Inc. (1976), reported the schists do not contain enough economically viable mineralization to warrant further work. The massive sulfide boulders, though containing ore grade material, probably come from relatively small lenses or pods. Site is in Lake Clark National Park and Preserve.
Comment (Deposit): Model Name = Kuroko massive sulfide (metamorphosed) ? (Cox and Singer, 1986; model 28a ?)
Comment (Geology): Age = Late Paleozoic or younger.
References
Reference (Deposit): Resource Associates of Alaska, Inc., 1976, Geology and geochemistry of certain land within the Lake Clark National Park: Contract report for U.S. Bureau of Mines, 109 p.
Reference (Deposit): Nelson, W.H., King, H.D., Case, J.E., Tripp, R.B., Crim, W.D., and Cooley, E.F., 1985, Mineral resource map of the Lake Clark quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1114-B, 1 sheet, scale 1:250,000.
Reference (Deposit): Cobb, E.H., and Reed, B.L., 1981, Summaries of data on and lists of references to metallic and selected nonmetallic mineral occurrences in the Iliamna, Lake Clark, Lime Hills, and McGrath quadrangles, Alaska - Supplement to Open-File Report 76-485: U.S. Geological Survey Open-File Report 81-1343-A, 25 p.
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