Unnamed (south of Inland Lake)

The Unnamed (south of Inland Lake) is a uranium and thorium 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 (south of Inland Lake)

Commodity

Primary: Uranium
Primary: Thorium

Location

State: Alaska
District: Selawik

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

Not available

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Gangue: Fluorite

Comments

Comment (Exploration): Status = Inactive

Comment (Workings): Workings / Exploration = The site was visited briefly and sampled by U.S. Bureau of Mines in 1984.

Comment (Geology): Age = Cretaceous.

Comment (Geology): Geologic Description = The country rocks in the area of this occurrence consist of the Cretaceous Inland Lake alkaline intrusive complex. The occurrence consists of locally abundant purple fluorite as matrix and breccia filling in syenite rubble. The fluorite is similar to that associated with the radioactive zones near VAMB Saturday at the Uranium 2 and 3 occurrences (ARDF number SE005 and SE006) (Barker, 1985). A sample of fluorite-bearing pulaskite, possibly a dike, from the Inland Lake alkaline complex contained 31 ppm U and 178 ppm Th, but no radioactive minerals or alteration zones were identified.

Comment (Reference): Primary Reference = Miller and Bunker, 1975

Comment (Deposit): Model Name = Radioactive minerals in fluorite-bearing pulaskite.

Comment (Deposit): Other Comments = the occurrence is located within the Selawik National Wildlife Refuge.

Comment (Commodity): Ore Material = Radioactive minerals

References

Reference (Deposit): Miller, T.P. and Bunker, C.M., 1975, Uranium, thorium and potassium analyses of selected plutonic rocks from west central Alaska: U.S. Geological Survey Open-File Report 75-216, 5p.

Reference (Deposit): Cobb, E.H., and Miller, T.P., 1981, Summaries of data on and lists of references to metallic and selected nonmetallic mineral occurrences in the Hughes, Kotzebue, Melozitna, Selawik and Shungnak quadrangles, west-central Alaska: U.S. Geological Survey Open-File Report 81-847-A, 14 p.

Reference (Deposit): Barker, J.C., 1985, Sampling and analytical results of a mineral reconnaissance in the Selawik Hills area, northwestern Alaska: U.S. Bureau of Mines Open-File Report 43-85, 67 p.

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