Great Northern Development Company

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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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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