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  3. Alaska Resource Data File (ARDF)

Katak Creek

Occurrence, Inactive

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Commodities and mineralogy

Main commodities Sn
Ore minerals cassiterite
Gangue minerals ilmenite; magnetite; sphene; tourmaline

Geographic location

Quadrangle map, 1:250,000-scale ML
Latitude 69.3
Longitude -144.71
Nearby scientific data Find additional scientific data near this location
Location and accuracy Outcrop along the Katak Creek about 10 kilometers (6 mi) east-northeast of Mount Chamberlin; accurate to within 760 meters (2,500 ft). Cobb, E.H., 1972, Location 4.

Geologic setting

Geologic description

Angular grains 0.1 to 0.8 millimeters across of cassiterite observed in thin section from in the Kekiktuk Conglomerate. Some cassiterite could still be present in contact zones of Romanzov Mountains granite, or in greisens and pyritic zones in the granite.
Geologic map unit (-144.712749476622, 69.299731930661)
Mineral deposit model Sn placer
Age of mineralization Placer is Early Mississippian in age and lode from which the placer was likely derived is likely Early Devonian in age.

Production and reserves

Indication of production None

References

MRDS Number A015632

References

Cobb, E.H., 1972, Metallic mineral resources map of the Mount Michelson quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-462, 1 sheet, scale 1:250,000.
Cobb, E.H., 1975, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in northern Alaska: U.S. Geological Survey Open-File Report 75-628, 106 p.
Reed, B.L., 1968, Geology of the Lake Peters area, northeastern Brooks Range, Alaska: U.S. Geological Survey Bulletin 1236, 132 p.
Reporters Powers, M.T. (Huber, D.F.), Schmidt, J.M., Kelley, J.S.
Last report date 9/13/1996