The Great Northern Development Company is a copper 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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Great Northern Development Company MRDS details
Site Name
Primary: Great Northern Development Company
Commodity
Primary: Copper
Secondary: Lead
Secondary: Molybdenum
Secondary: Silver
Secondary: Gold
Location
State: Alaska
District: Chistochina
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
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Azurite
Ore: Molybdenite
Ore: Malachite
Ore: Galena
Ore: Covellite
Ore: Chalcopyrite
Ore: Chalcocite
Ore: Bornite
Gangue: Aragonite
Gangue: Calcite
Gangue: Magnetite
Gangue: Pyrite
Gangue: Quartz
Gangue: Stilbite
Comments
Comment (Reference): Primary Reference = Van Alstine and Black, 1946
Comment (Workings): Workings / Exploration = Explored by several adits and open cuts. Grab sample (MacKevett, 1976, loc. 137; MacKevett and others, 1978, loc. 22) assayed 0.5 ppm Au (AA), 5 ppm Ag, 20,000 ppm Cu. Type of workings: surface and underground.
Comment (Deposit): Model Name = Lode: vein, disseminated
Comment (Geology): Geologic Description = Chiefly pyrite, chalcopyrite, and secondary copper minerals in disseminations and veins up to 2 m wide along faults in Triassic Nikolai Greenstone and Jurassic granodiorite.
Comment (Exploration): Status = Active
References
Reference (Deposit): MacKevett, E.M., Jr., Smith, J.G., Jones, D.L., and Winkler, G.R., 1978, Geologic map of the McCarthy C-8 quadrangle, Alaska: U.S. Geological Survey Geologic Quadrangle Map GQ-1418, scale 1:63,360.
Reference (Deposit): Berg, H.C., and Cobb, E.H., 1967, Metalliferous Lode Deposits of Alaska. U.S. Geological Survey Bulletin 1246, 254 p.
Reference (Deposit): MacKevett, E.M., Jr., 1976, Mineral deposits and occurrences in the McCarthy quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-773-B, scale 1:250,000.
Reference (Deposit): MacKevett, E.M., Jr., Smith, J.G., Jones, D.L., and Winkler, G.R., 1978, Geologic map of the McCarthy C-8 quadrangle, Alaska: U.S. Geological Survey Geologic Quadrangle Map GQ-1418, 1 sheet, scale 1:63,360.
Reference (Deposit): Van Alstine, R.E., and Black, R.F., 1946, Copper deposits of the Kotsina-Kuskulana district, Alaska: U.S. Geological Survey Bulletin 947-G, p. 121-141.
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