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Siniktanneyak--Northwest

Occurrence, Inactive

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Commodities and mineralogy

Main commodities Cu; Zn
Gangue minerals pyrite

Geographic location

Quadrangle map, 1:250,000-scale HW
Quadrangle map, 1:63,360-scale B-5
Latitude 68.38
Longitude -158.61
Nearby scientific data Find additional scientific data near this location
Location and accuracy Location plotted is 'NW' locality of Jansons and Baggs (1980, p. 26), in T12S, R29W; along main tributary valley near northwest margin of Siniktanneyak Mountain about 1 mi (1.6 km) upstream from its confluence with Uivaksak Creek; located to within 1 mi (1.6 km).

Geologic setting

Geologic description

The occurrence is in a N60W-trending, 200 ft (61 m) wide zone of red-weathering pyritiferous felsic plutonic rock associated with a Jurassic? mafic/ultramafic complex (Jansons and Baggs, 1980, p. 66).
Geologic map unit (-158.612962477829, 68.3794458753955)
Mineral deposit model Lode
Age of mineralization Jurassic?

Production and reserves

Workings or exploration Samples contain up to 160 ppm Cu and 225 ppm Zn (Jansons and Baggs, 1980, p. 67)
Indication of production None

References

MRDS Number A106117

References

Jansons, Uldis, and Baggs, D.W., 1980, Mineral investigations of the Misheguk Mountain and Howard Pass quadrangles, National Petroleum Reserve, Alaska: U.S. Bureau of Mines Open-File Report 38-80, 76 p.
Reporters J.H. Dover
Last report date 9/30/1996