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Unnamed (west valley wall of Kennicott Glacier)

Occurrence, Inactive

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Commodities and mineralogy

Main commodities Sb
Ore minerals stibnite

Geographic location

Quadrangle map, 1:250,000-scale MC
Quadrangle map, 1:63,360-scale C-6
Latitude 61.6194
Longitude -143.1581
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is on the west valley wall of Kennicott Glacier. It is at an elevation of about 4,300 feet, 1,300 feet north of elevation 5780 and 1,000 feet west-southwest of the center of section 12, T. 3 S., R. 12 E. of the Copper River Meridian. This is locality 120 of MacKevett (1976); the location is accurate to within about 500 feet.

Geologic setting

Geologic description

This occurrence consists of a thin, antimony-bearing vein that cuts Triassic Chitistone Limestone (MacKevett, 1972, 1976). A sample of the vein contained 2,000 parts per million antimony.
Geologic map unit (-143.160188493349, 61.6189619537262)
Mineral deposit model Antimony vein
Age of mineralization Triassic or younger; the age of the host rock is Late Triassic but this antimony-bearing deposit could be related to Tertiary igneous activity in the region.

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., 1972, Geologic map of the McCarthy C-6 quadrangle, Alaska: U.S. Geological Survey Geologic Quadrangle Map GQ-979, 1 sheet, scale 1:63,360.
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