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  3. Alaska Resource Data File (ARDF)

Unnamed (north of upper Slatka Creek)

Occurrence, Inactive

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Commodities and mineralogy

Main commodities Cu; Zn

Geographic location

Quadrangle map, 1:250,000-scale MC
Quadrangle map, 1:63,360-scale C-8
Latitude 61.5993
Longitude -143.6523
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is on the ridge north of upper Slatka Creek. It is at an elevation of about 6,200 feet, 2,400 feet south of the center of section 17, T. 3 S., R. 10 E. of the Copper River Meridian. This is locality 125 of MacKevett (1976); the location is accurate to within about 1,000 feet.

Geologic setting

Geologic description

This occurrence consists of patchy altered zones that are locally present in Triassic Nikolai Greenstone (MacKevett, 1976). A sample of the altered material contained 700 parts per million (ppm) copper and 500 ppm zinc.
Geologic map unit (-143.654386049733, 61.5988445856305)
Mineral deposit model Disseminated sulfides
Age of mineralization Triassic or younger based on the age of the host rocks.
Alteration of deposit The type of alteration was not specified.

Production and reserves

Workings or exploration Only limited surface sampling.
Indication of production None

Additional comments

The locality is in the Wrangell-Saint Elias National Park and Preserve.

References

References

MacKevett, E.M., Jr., 1976, Mineral deposits and occurrences in the McCarthy quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-773-B, 2 sheets, scale 1:250,000.
Reporters Travis L. Hudson (Applied Geology, Inc.)
Last report date 1/12/2003