Unnamed (north shoulder of Nelson Mountain)

Occurrence, Inactive

Commodities and mineralogy

Main commodities Pb; Zn
Other commodities Cd
Ore minerals pyrite; sphalerite

Geographic location

Quadrangle map, 1:250,000-scale MC
Quadrangle map, 1:63,360-scale B-8
Latitude 61.3426
Longitude -143.8187
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is on the north shoulder of Nelson Mountain. It is at an elevation of about 3,300 feet, 500 feet south of elevation 3319 (benchmark O'Hara) near the northeast corner of section 20, T. 6 S., R. 9 E. of the Copper River Meridian. This is locality 60 of MacKevett (1976); the location is accurate to within about 1,000 feet.

Geologic setting

Geologic description

This occurrence consists of sulfides scattered through Permian marble (MacKevett, 1976). A sample of the mineralized rock contained 15 percent iron, 300 parts per million cadmium, 700 ppm lead, and more than 10,000 ppm zinc.
Geologic map unit (-143.820771939125, 61.3421377640448)
Age of mineralization Permian or younger based on the age of the host rock.

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