Unnamed (north of upper Schist Creek)

Occurrence, Inactive

Commodities and mineralogy

Main commodities Ag; Cu; Mo

Geographic location

Quadrangle map, 1:250,000-scale HE
Quadrangle map, 1:63,360-scale B-4
Latitude 63.472
Longitude -148.614
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is at an elevation of about 4,500 feet, on a north-south ridge north of, and perpendicular to, upper Schist Creek. The map site is in the NW1/4 of sec. 1, T. 17 S., R. 6 W., of the Fairbanks Meridian. The location is accurate to within 1500 feet. This is location 9 of Clark and Cobb (1972).

Geologic setting

Geologic description

The country rocks in the area of this occurrence are the Paleocene Cantwell Formation which consists of terrigenous sedimentary rocks, including a few thin coal beds, and Eocene-Oligocene granitic plutons that intrude the Cantwell (Wilson and others, 1998). The occurrence consists of unspecified copper, molybdenum and silver minerals in the granitic rocks (Clark and Cobb, 1972).
Geologic map unit (-148.616275316621, 63.4715471670453)
Mineral deposit model Porphyry Cu-Mo? (Cox and Singer, 1986; 21a?).
Mineral deposit model number 21a?
Age of mineralization Probably Eocene-Oligocene.

Production and reserves

Workings or exploration There has been surface exploration only.
Indication of production None

References