Unnamed (south of White River)

Occurrence, Inactive

Commodities and mineralogy

Main commodities Cu
Ore minerals chalcopyrite

Geographic location

Quadrangle map, 1:250,000-scale MC
Quadrangle map, 1:63,360-scale C-2
Latitude 61.6809
Longitude -141.5651
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is in an unnamed south tributary to the White River. It is at an elevation of about 4,800 feet, 5,000 feet southwest of elevation 5405 (Black Eagle) near the center of the west boundary of section 23, T. 2 S., R. 21 E. of the Copper River Meridian. This is locality 149 of MacKevett (1976); the location is accurate to within about 1,000 feet.

Geologic setting

Geologic description

This occurrence is in a 200-foot-thick altered mafic dike that cuts Triassic Nikolai Greenstone (MacKevett, 1976, 1978). A sample of the altered dike contained 1,500 parts per million copper.
Geologic map unit (-141.567190753987, 61.6805333279581)
Age of mineralization Late Triassic or younger based on the age of the volcanic host rock.

Production and reserves

Workings or exploration Limited surface sampling.
Indication of production None

Additional comments

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

References