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Kagvik Creek

Occurrence, Inactive

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Commodities and mineralogy

Main commodities Clay
Other commodities Ba; gypsum
Ore minerals barite; bentonite; gypsum

Geographic location

Quadrangle map, 1:250,000-scale MU
Quadrangle map, 1:63,360-scale B-5
Latitude 68.38
Longitude -161.43
Nearby scientific data Find additional scientific data near this location
Location and accuracy Location plotted is Kagvik Creek of Churkin and others (1978, fig. 3); on ridge about 7 mi (11.2 km) north of confluence of Kagvik Creek and Kugururok River; located to within 2 mi (3.2 km)

Geologic setting

Geologic description

Prominent iron-stained, yellow clay (bentonite?) horizon contains local sparse barite and gypsum? At contact between intensely deformed dark chert and shale of the Carboniferous Lisburne group and maroon and gray shale of the overlying Siksikpuk formation.
Geologic map unit (-161.432996945979, 68.3793847561395)
Mineral deposit model Lode; stratiform
Age of mineralization Carboniferous
Alteration of deposit Iron-oxide stain.

Production and reserves

Workings or exploration Contains 1000-3000 ppm Ba (Churkin and others, 1978, p. 20).
Indication of production None

References

MRDS Number A015676

References

Churkin, M., Jr., Mayfield, C.F., Theobald, P.K., Barton, Harlan, Nokleberg, W.J., Winkler, G.R., and Huie, Carl, 1978, Geological and geochemical appraisal of metallic mineral resources, southern National Petroleum Reserve in Alaska: U.S. Geological Survey Open-File Report 78-70A, 82 p., 6 sheets, scale 1:500,000.
Reporters M.T. Powers; D.F. Huber; J.M. Schmidt
Last report date 10/22/1992