Roy Creek

The Roy Creek is a uranium 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: Roy Creek
Secondary: Little Champion Creek

Commodity

Primary: Uranium
Secondary: REE

Location

State: Alaska
District: Circle

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

Alteration Type: L
Alteration Text: There is hematitic alteration of wall rock and leaching of magnetite in host rocks (Burton, 1981).

Rocks

Name: Granite
Role: Host
Age Type: Associated Rock Unit
Age in Years: 58.500000+-1.300000
Age Young: Paleocene

Name: Granite
Role: Associated
Age Type: Associated Rock Unit
Age in Years: 58.500000+-1.300000
Age Young: Paleocene

Analytical Data

Not available

Materials

Ore: Allanite
Ore: Bastnaesite
Ore: Monazite
Ore: Thorianite
Ore: Thorite
Ore: Uraninite
Ore: Xenotime
Gangue: Topaz
Gangue: Tourmaline

Comments

Comment (Geology): Geologic Description = This area contains significant uranium-rare earth mineralization. ?There are numerous uranium prospects, uraniferous springs and stream-sediments in the area (Barker and Clautice, 1977). Mt. Prindle pluton is a tourmaline- and topaz-bearing porphyritic biotite granite that crops out over a 50-square-km area. Country rock is quartzite and micaceous quartzite with subordinate quartz-mica schist, phyllitic schist and calcareous schist, thermally metamorphosed to upper hornblende facies near the pluton contact. The pluton is cut by 3 major NE-trending faults, and several quartz porphyry, aplite and pegmatite dikes.? Fissure veins containing allanite, bastnaesite, monazite, thorianite, thorite, uraninite, and xenotime occur in Cretaceous porphyritic biotite syenite and alkali granite. The deposit contains significant La, Cd, Nd, Pr, Yd, and fluorite. Hematitic alteration of wall rock and leaching of magnetite occurs in host rocks. Samples contain up to 0.1 percent U-308 and 15 percent rare-earth elements (Burton, 1981).? Some exploration and limited drilling was carried out on Little Champion Creek, but no further development has taken place. Claims were active from 1977 through at least 1981 (Menzie and others, 1983, p. 56).

Comment (Exploration): Status = Inactive

Comment (Reference): Primary Reference = Burton, 1981.

Comment (Workings): Workings / Exploration = Some exploration and limited drilling was carried out on Little Champion Creek, but no further development has taken place. Claims were active from 1977 through at least 1981 (Menzie and others, 1983, p. 56).

References

Reference (Deposit): Holm, Bjarne, 1973, Bedrock geology and mineralization of the Mount Prindle area, Yukon-Tanana upland: University of Alaska, Fairbanks, M.Sc. thesis, 55 p.

Reference (Deposit): Barker, J.C. and Clautice, K. H., 1997, Anomalous uranium concentrations in artesian springs and stream sediments in the Mount Prindle area, Alaska: U.S. Bureau of Mines Open-File Report 130-77, 19 p.

Reference (Deposit): Burton, P.J., 1981, Radioactive mineral occurrences, Mt. Prindle area, Yukon-Tanana Uplands: University of Alaska, Fairbanks, M.Sc. thesis, 72 p.

Reference (Deposit): Menzie, W.D., Foster, H.L., Tripp, R.B., and Yeend, W.E., 1983, Mineral resource assessment of the Circle quadrangle, Alaska: U.S. Geological Survey Open-File Report 83-170-B, 61 p., 1 sheet, 1:250,000.

Reference (Deposit): Bundtzen, T.K., Eakins, G.R., Green, C.B. and Lueck, L.L., 1986, Alaska's mineral industry in 1985: Alaska Division of Geological and Geophysical Surveys Special Report 39, 68 p.

Reference (Deposit): Nokleberg, W.J., Bundtzen, T.K., Berg, H.C., Brew, D.A., Grybeck, D.J., Robinson, M.S., Smith, T.E., and Yeend, W., 1987, Significant metalliferous lode deposits and placer districts of Alaska: U.S. Geological Survey Bulletin 1786, 104 p.

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