Unnamed (northern Russian Mountains)

The Unnamed (northern Russian Mountains) is a antimony, lead, copper, and silver 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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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 (northern Russian Mountains)

Commodity

Primary: Antimony
Primary: Lead
Primary: Copper
Primary: Silver
Secondary: Cadmium

Location

State: Alaska
District: Aniak

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant:

Physiography

Not available

Mineral Deposit Model

Model Name: Polymetallic veins

Orebody

Not available

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: Quartz veining.

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Malachite
Ore: Galena
Ore: Chalcopyrite
Ore: Arsenopyrite
Gangue: Quartz

Comments

Comment (Workings): Workings / Exploration = Surface observation and sampling has been completed (Bundtzen and Laird, 1991).

Comment (Deposit): Model Name = Polymetallic veins (Cox and Singer, 1986; model 22c)

Comment (Reference): Primary Reference = Bundtzen and Laird, 1991

Comment (Geology): Geologic Description = Bundtzen and Laird (1991) report two, small, malachite-stained quartz veins containing chalcopyrite, galena, and arsenopyrite. The veins are 1 to 3 centimeters wide and occur along northwest-trending joints in the cupola zone of a syeno-monzonite just below the contact with thermally metamorphosed andesite country rocks. A sample of the veins contained 0.46 percent arsenic, 0.13 percent antimony, 0.94 percent lead, 0.09 percent cadmium, and 45 ppm silver; gold was not detected. The veins are in the Upper Cretaceous intrusive complex of the Russian Mountains (Bundtzen and Laird, 1991).

Comment (Geology): Age = Late Cretaceous or Tertiary. Veins crosscut part of the intrusive complex of the Russian Mountains. Quartz monzonite from this complex has yielded a K/Ar age of 70.3 +/- 2.1 Ma (Bundtzen and Laird, 1991).

Comment (Exploration): Status = Inactive

References

Reference (Deposit): Bundzten, T.K., and Laird, G.M., 1991, Geology and mineral resources of the Russian Mission C-1 Quadrangle, southwest Alaska: Alaska Division of Geological and Geophysical Surveys Professional Report 109, 24 p.

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