Unnamed (east of south tributary of Fog Creek)

Occurrence, Inactive

Commodities and mineralogy

Main commodities Co; Cu; Ni
Other commodities Ti

Geographic location

Quadrangle map, 1:250,000-scale TK
Quadrangle map, 1:63,360-scale C-4
Latitude 62.6917
Longitude -148.5569
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is at an elevation of about 3,000 feet on the east, valley wall of a south tributary of upper Fog Creek. It is approximately 1 mile west of hill 4704, about 0.2 mile north of the center of sec. 17, T. 30 N., R. 5 E., Seward Meridian. The location is accurate to within 1/4 mile.

Geologic setting

Geologic description

This occurrence consists of boxwork, quartz veins in orange-weathering Triassic(?) greenstone breccia. A sample of the breccia contains 206 parts per million copper, 91 parts per million nickel, 55 parts per million cobalt, and 1.15 percent titanium (J. Schmidt, written communication, 2001).
Geologic map unit (-148.559135806301, 62.6912254034049)
Age of mineralization Occurs in Triassic(?) greenstone breccia.
Alteration of deposit Iron-oxide staining.

Production and reserves

Workings or exploration Only surface sampling by U.S. Geological Survey (J. Schmidt, written communication, 2001).
Indication of production None

References