Unnamed (southern Russian Mountains)

The Unnamed (southern Russian Mountains) is a antimony 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: Unnamed (southern Russian Mountains)

Commodity

Primary: Antimony
Secondary: REE
Secondary: Tantalum
Secondary: Uranium

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

Gangue: Quartz
Gangue: Limonite

Comments

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

Comment (Geology): Geologic Description = This occurrence consists of two gossan-rich quartz veins, as much as 1.5 feet wide, along northwest-trending joints and fractures in quartz syenite (Bundtzen and Laird, 1991). Sulfide minerals were not identified in these strongly oxidized veins. Samples contained up to 0.3 percent arsenic, 1.5 percent antimony, 353 ppm neodymium, 54 ppm tantalum, and 52 ppm uranium. The host quartz syenite is part of the Late Cretaceous intrusive complex of the Russian Mountains (Bundtzen and Laird, 1991).

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

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

Comment (Exploration): Status = Probably 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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