1. Mineral Resources
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  3. Alaska Resource Data File (ARDF)

Connolly Creek

Occurrence, Inactive

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Commodities and mineralogy

Main commodities Th; U
Ore minerals uranothorianite

Geographic location

Quadrangle map, 1:250,000-scale CA
Quadrangle map, 1:63,360-scale C-6
Latitude 65.65
Longitude -161.63
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is at an elevation of about 500 feet on a westward-flowing tributary of Connolly Creek. The map site is in section 20, T. 3 N., R. 14 W., of the Kateel River Meridian. Cobb, 1972 (MF-389), location 26.

Geologic setting

Geologic description

Bedrock in this area is Cretaceous granite which may contain uranium-bearing minerals. Uranothorianite was found in two pan concentrate samples (Gault and others, 1953).
Geologic map unit (-161.632662535461, 65.6493246666446)
Mineral deposit model Radioactive minerals in stream sediments.

Production and reserves

Workings or exploration Two pan concentrate samples were collected from the area and analyzed for uranium content by the U.S. Geological Survey (Gault and others, 1953).
Indication of production None

Additional comments

Stream gradient approximately 200 feet per mile.

References

MRDS Number A015713

References

Cobb, E.H., 1972, Metallic mineral resources map of the Candle Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-389, 1 sheet, scale 1:250,000.
Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Candle, Holy Cross, Norton Bay, Nulato, and Unalakleet quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-866, 102 p.
Gault, H.R., Killeen, P.L., West, W.S., and others, 1953, Reconnaissance for radioactive deposits in the northeastern part of the Seward Peninsula, Alaska, 1945-47 and 1951: U.S. Geological Survey Circular 250, 31 p.
Reporters Anita Williams (Anchorage, AK)
Last report date 1/12/2000