Unnamed (east of lower Nizina Glacier)

Occurrence, Inactive

Commodities and mineralogy

Main commodities Cu
Ore minerals azurite; chalcopyrite
Gangue minerals quartz

Geographic location

Quadrangle map, 1:250,000-scale MC
Quadrangle map, 1:63,360-scale C-4
Latitude 61.6372
Longitude -142.3481
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is on a ridge crest east of lower Nizina Glacier (MacKevett, 1970 [GQ-844]). It is 800 feet northeast of elevation 6928 (Foothill)in about the center of the W1/2 of section 4, T. 3 S., R. 17 E. of the Copper River Meridian. This is locality 113 of MacKevett (1976); the location is accurate to within about 100 feet.

Geologic setting

Geologic description

This prospect consists of chalcopyrite- and azurite-bearing quartz veins up to 4 inches thick that cut dacite of the upper Tertiary Wrangell Lava (MacKevett, 1970, p. 8 [GQ 844]; 1976). Azurite-stained dacite is common in the immediate area.
Geologic map unit (-142.350194341638, 61.6367889405963)
Mineral deposit model Vein
Age of mineralization The dacite host rock is late Tertiary in age.
Alteration of deposit Oxidation.

Production and reserves

Indication of production None

Additional comments

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

References