Unnamed (north of upper Baultoff Creek)

Occurrence, Inactive

Commodities and mineralogy

Main commodities Cu
Ore minerals chalcopyrite; pyrite
Gangue minerals quartz

Geographic location

Quadrangle map, 1:250,000-scale NB
Quadrangle map, 1:63,360-scale A-1
Latitude 62.1459
Longitude -141.3042
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is on the ridge between the headwaters of the East Fork, Snag Creek and Baultoff Creek. It is at a elevation of about 6,800 feet, 500 feet southeast of peak 7316. The occurrence is about 0.6 mile southwest of the center of section 1, T. 4 N., R. 22 E. of the Copper River Meridian. This is locality 3 of Richter and others (1973), locality 49 of Richter and others (1975), and National Park Service locality WRST-79 (unpublished data). Cobb and Richter (1980) included this locality as an 'Unnamed occurrence'. It is located to within a few hundred feet.

Geologic setting

Geologic description

This occurrence is a massive quartz vein that contains minor pyrite and chalcopyrite and cuts Permian marine volcaniclastic rocks (Richter and others, 1973; 1975).
Geologic map unit (-141.306338613627, 62.1455774916285)
Mineral deposit model Copper-bearing vein
Age of mineralization Permian or younger; the host rocks cut by the mineralized quartz vein are Permian.
Alteration of deposit Silicification.

Production and reserves

Indication of production None

Additional comments

The occurrence is in the Wrangell-St. Elias National Preserve.

References