Unnamed (southeast of Mount Bradley)

Occurrence, Undetermined

Commodities and mineralogy

Ore minerals pyrite
Gangue minerals feldspar

Geographic location

Quadrangle map, 1:250,000-scale JU
Quadrangle map, 1:63,360-scale A-2
Latitude 58.2322
Longitude -134.3915
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is at an elevation of approximately 2,800 feet on southeastern Douglas Island, 1 mile southeast of the top of Mount Bradley. It is in the NW1/4NW1/4 section 13, T. 42 S., R. 67 E. of the Copper River Meridian. The location is accurate within 1/4 mile.

Geologic setting

Geologic description

This rocks in the general area of this occurrence are Upper Jurassic to mid-Cretaceous marine argillite and graywacke, interbedded with basaltic volcanic and volcaniclastic rocks (Brew and Ford, 1985). Wells and others (1986) describe this occurrence as disseminated pyrite in cellular pods associated with feldspar lenses in volcanic rocks. No other information is available.
Geologic map unit (-134.393267620688, 58.2318697894736)

Production and reserves

Indication of production None

References