Unnamed (southwest of Sillyasheen Mountain)

Occurrence, Inactive

Commodities and mineralogy

Main commodities Cu
Ore minerals malachite; unspecified copper sulfides

Geographic location

Quadrangle map, 1:250,000-scale WI
Quadrangle map, 1:63,360-scale C-6
Latitude 67.6718
Longitude -152.946
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is at an elevation of about 1,520 meters, 0.5 mile west-northwest of the center of section 23, T. 33. N., R. 24 W., of the Fairbanks Meridian. The location is accurate within 1 mile.

Geologic setting

Geologic description

This occurrence consists of unspecified copper sulfides and malachite staining in Devonian phyllite (Brosge and Reiser, 1960). The rocks in the area are a unit of Middle to Upper Devonian(?) calcareous, chloritic wacke, which also includes sandstone, conglomerate, limestone, and phyllite (Dillon and others, 1986). No other information is available.
Geologic map unit (-152.948789405594, 67.6713377043172)
Alteration of deposit Oxidation of copper minerals.

Production and reserves

Workings or exploration Only surface sampling.
Indication of production None