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Unnamed (northeast of Ernie Lake)

Occurrence, Inactive

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Commodities and mineralogy

Main commodities Zn
Other commodities Pb
Ore minerals galena; pyrite; sphalerite

Geographic location

Quadrangle map, 1:250,000-scale WI
Quadrangle map, 1:63,360-scale B-6
Latitude 67.4239
Longitude -152.8585
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is located about 4 miles northeast of Ernie Lake. The occurrence is at an elevation of about 1,700 meters, about 0.2 mile west-southwest of the center of section 14, T. 30 N., R. 24 W., of the Fairbanks Meridian. The occurrence is the site of sample 55 of Dillon and others (1981 [AOF 133B]). The location is accurate.

Geologic setting

Geologic description

This occurrence consists of maroon, felsic schist that contains 5% oxidized sulfides (Dillon and others, 1981 [AOF 133B]). The sulfides are principally pyrite and sphalerite, and possibly galena. A rock sample contains 350 ppm Zn. The rocks in the area are Devonian, Skajit Limestone, a few miles south of the Earnie Lake pluton (Dillon and others, 1986). No other information is available.
Geologic map unit (-152.86126742302, 67.42343114106)
Mineral deposit model Polymetallic replacement deposit? (Cox and Singer, 1986; model 19a?).
Mineral deposit model number 19a?
Alteration of deposit Oxidation of sulfide minerals.

Production and reserves

Workings or exploration Only surface sampling.
Indication of production None

Additional comments

See also: Buzz (WI047); Ann (WI034).

References

MRDS Number A011966

References

Dillon, J.T., Cathrall, J.B., and Moorman, M.A., 1981, Geochemical reconnaissance of the southwest Wiseman quadrangle-summary of data on rock samples: Alaska Division of Geological and Geophysical Surveys Open-File Report 133B, 164 p.
Reporters J.M. Britton (Anchorage)
Last report date 8/9/2002