Unnamed (on Heavenly Ridge)

Occurrence, Inactive

Commodities and mineralogy

Main commodities Cu; Mo; Zn
Ore minerals chalcopyrite; molybdenite; sphalerite

Geographic location

Quadrangle map, 1:250,000-scale VA
Quadrangle map, 1:63,360-scale D-8
Latitude 61.8802
Longitude -146.8892
Nearby scientific data Find additional scientific data near this location
Location and accuracy This prospect is located on the southwest end of Heavenly Ridge at an elevation of about 4,200 feet; it is about eight-tenths of a mile southwest of VABM Shale in the SW1/4 section 9, T. 1 N., R. 9 W., of the Copper River Meridian. It is approximately located, perhaps to within one-half mile. This prospect is locality 84 of Winkler and others (1981 [OFR 80-892-B]).

Geologic setting

Geologic description

Winkler and others (1981 [OFR 80-892-B]) reported that mafic volcanic breccia of the Jurassic Talkeetna Formation contains stringers and pods of sulfide-impregnated quartz here. The volcanic rocks are cut by a dacite plug.
Geologic map unit (-146.891372586188, 61.8796959869036)
Mineral deposit model Veins and disseminations in mafic volcanic rocks.
Age of mineralization Post-Jurassic (?); the host rocks are in the Jurassic Talkeetna Formation (Winkler and others, 1981 [OFR 80-892-B]; Winkler and others, 1981 [OFR 80-892-A]).

Production and reserves

Workings or exploration Probably only reconnaissance surface examinations.
Indication of production None

References