Unnamed (tributary to Duck Creek)

Occurrence, Inactive

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 D-5
Latitude 65.93
Longitude -161.43
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is along a small, westward-flowing tributary to Duck Creek about 1.5 mile from its junction with that creek. The map site is in section 16, T. 6 N., R. 13 W., of the Kateel River Meridian. Cobb, 1972 (MF-389), location 20.

Geologic setting

Geologic description

Bedrock in the area is undifferentiated Cretaceous granite that may contain uranium-bearing minerals. No outcrops are present at the occurrence. Uranothorianite was identified in a pan concentrate sample of stream gravels (Gault and others, 1953).
Geologic map unit (-161.432692856797, 65.9293351723224)
Mineral deposit model Radioactive minerals in stream gravels.

Production and reserves

Workings or exploration Pan concentrate samples collected 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 in lower mile of creek.