Unnamed (south of lower Tyone Creek)

Occurrence, Inactive

Commodities and mineralogy

Main commodities Zn
Ore minerals pyrite

Geographic location

Quadrangle map, 1:250,000-scale TK
Quadrangle map, 1:63,360-scale C-1
Latitude 62.5932
Longitude -147.0519
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is at an elevation of about 2,700 feet, approximately 1/2 mile west of hill 3105, in the SE 1/4 sec. 34, T. 10 N., R. 10 W., Copper River Meridian. The location is accurate to within 1/2 mile.

Geologic setting

Geologic description

This occurrence consists of pyrite in Jurassic greenstone cut by small felsic dikes (Kurtak and others, 1992). A sample of dacite (dike?) contains 500 parts per million zinc (Miller and others, 1978).
Geologic map unit (-147.05411207086, 62.5927495451708)
Mineral deposit model Volcanogenic massive sulfide?

Production and reserves

Workings or exploration Only limited surface sampling by U.S. Geological Survey (Miller and others, 1978).
Indication of production None

Additional comments

MAS/MILS number 20760096.

References