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Quartz Creek

Occurrence, Inactive

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Commodities and mineralogy

Main commodities Cu
Other commodities Zn
Ore minerals chalcopyrite; malachite
Gangue minerals goethite; quartz

Geographic location

Quadrangle map, 1:250,000-scale CH
Quadrangle map, 1:63,360-scale D-5
Latitude 67.81
Longitude -149.16
Nearby scientific data Find additional scientific data near this location
Location and accuracy The Quartz Creek occurrence is at an elevation of about 5,100 feet on a high ridge approximately 9 1/2 miles north of Horace Mountain and 5 miles southwest of the confluence of Quartz Creek and the North Fork Chandalar River (at the common corner of secs. 4, 5, T. 34 N., R. 7 W. and secs. 32, 33, T. 35 N., R. 7 W. of the Fairbanks Meridian). The location is accurate within a 1-mile radius.

Geologic setting

Geologic description

Mulligan (1974) described this occurrence as a quartz vein, about 2 inches thick, which cuts a chlorite schist. The vein contains minor goethite, malachite, and a trace of zinc (the zinc mineral is not specified). Float in the area contains traces of malachite and possibly chalcopyrite. The country rocks are Devonian black slate, phyllite, and phyllitic siltstone (Brosgé and Reiser, 1964). A body of greenstone is mapped about a mile to the east.
Geologic map unit (-149.162768763037, 67.8096049809154)
Mineral deposit model Polymetallic veins? (Cox and Singer, 1986; model 22c?).
Mineral deposit model number 22c?

Production and reserves

Indication of production None

References

MRDS Number A012148

References

Cobb, E.H., 1972, Metallic mineral resources map of the Chandalar quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-457, 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 Chandalar and Wiseman quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-340, 205 p.
Cobb, E.H., and Cruz, E.L., 1983, Summaries of data and lists of references to metallic and selected nonmetallic mineral deposits in the Chandalar quadrangle, Alaska: U.S. Geological Survey Open-File Report 83-278, 91 p.
DeYoung, J.H., Jr., 1978, Mineral resources map of the Chandalar quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-878-B, 2 sheets, scale 1:250,000.
Grybeck, Donald, 1977, Known mineral deposits of the Brooks Range, Alaska: U.S. Geological Survey Open-File Report 77-166C, 45 p., 1 sheet, scale 1:1,000,000.
Mulligan, J.J., 1974, Mineral resources of the Trans-Alaska Pipeline corridor: U.S. Bureau of Mines Information Circular 8626, 24 p., 9 sheets, scale 1:250,000.
Reporters J.M. Britton (Anchorage)
Last report date 11/17/1999