Unnamed (head of valley of Amy Creek)

Occurrence, Inactive

Commodities and mineralogy

Main commodities Ag; Au; Cu

Geographic location

Quadrangle map, 1:250,000-scale MC
Quadrangle map, 1:63,360-scale C-8
Latitude 61.6896
Longitude -143.8725
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is on the ridge crest at the head of the valley of Amy Creek. It is at an elevation of about 6,950 feet, 1,800 feet south-southeast of the center of section 13, T. 2 S., R. 8 E. of the Copper River Meridian. This is locality 166 of MacKevett (1976) and locality 14 of MacKevett and others (1978). The location is accurate to within about 100 feet.

Geologic setting

Geologic description

This occurrence consists of a 3-meter-wide altered fault zone that cuts Triassic Nikolai Greenstone (MacKevett, 1976). A sample of the altered material contained 0.2 part per million (ppm) gold, 1.5 ppm silver, and 7,000 ppm copper.
Geologic map unit (-143.874590976964, 61.689138112168)
Mineral deposit model Vein?
Age of mineralization Triassic or younger based on the age of the host rock.
Alteration of deposit Oxidation?

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