Reynolds-Alaska Development Co.

Prospect, Inactive

Commodities and mineralogy

Main commodities Cu
Ore minerals chalcopyrite

Geographic location

Quadrangle map, 1:250,000-scale BS
Quadrangle map, 1:63,360-scale D-7
Latitude 59.989
Longitude -149.268
Nearby scientific data Find additional scientific data near this location
Location and accuracy The occurrence is located on the steep slopes of an east-west trending stream which drains into Humpy Cove; it is in the SW1/4 of section 22, T. 2 S., R. 1 E., of the Seward Meridian. Humpy Cove is about 11 miles southeast of Seward, Alaska. This is Cobb's (1972, MF-440) location 1 and Tysdal's (1978) location 105. This location is accurate to within a quarter of a mile.

Geologic setting

Geologic description

The prospect consists of a shear zone in a sheeted basalt dike unit of the Upper Cretaceous Valdez Group. The shear zone was reported to contain chalcopyrite (Cobb and Tysdal , 1980).
Geologic map unit (-149.270135432857, 59.9884396900371)
Mineral deposit model Chalcopyrite in shear zone.
Age of mineralization Cretaceous or younger; associated with shearing of Cretaceous basalt dike.

Production and reserves

Indication of production None