Unnamed

The Unnamed 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

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Site Name

Primary: Unnamed
Secondary: Unnamed (south bank of Kotsina River)

Commodity

Primary: Copper

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

Name: Greenstone
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Triassic

Name: Greenstone
Role: Associated
Age Type: Associated Rock
Age Young: Late Triassic

Analytical Data

Not available

Materials

Ore: Chalcopyrite
Gangue: Pyrite

Comments

Comment (Workings): Workings / Exploration = Type of workings: underground. Explored by several short adits. Selected samples (MacKevett, 1976) assayed as much as: 3 ppm Ag, 1,000 ppm Cu, 20 ppm Mo.

Comment (Reference): Primary Reference = Moffit and Mertie, 1923

Comment (Geology): Geologic Description = Several pyrite and chalcopyrite-bearing veins less than 30 cm thick in gabbro and felsic dikes. Gabbro is interpreted as feeder dikes for the Triassic Nikolai Greenstone.

Comment (Deposit): Model Name = Lode: vein

Comment (Deposit): Other Comments = See also: unnamed occurrence no. 171 in MacKevett (1976).

Comment (Exploration): Status = Inactive

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): Moffit, F.H., and Mertie, J.B., Jr., 1923, The Kotsina-Kuskulana district, Alaska: U.S. Geological Survey Bulletin 745, 149 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): Moffit, F.H., and Maddren, A.G., 1909, Mineral resources of the Kotsina-Chitina region, Alaska: U.S. Geological Survey Bulletin 374, 103 p.

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