Unnamed (east of lower Broxson Gulch)

Prospect, Active

Commodities and mineralogy

Main commodities Cu
Ore minerals malachite

Geographic location

Quadrangle map, 1:250,000-scale MH
Quadrangle map, 1:63,360-scale B-5
Latitude 63.2995
Longitude -146.0732
Nearby scientific data Find additional scientific data near this location
Location and accuracy This prospect is at an elevation of 4,300 feet on the east side of the east fork of stream(s) in Broxson Gulch, in the SW1/4NW1/4 section 5, T. 19 S., R. 9 E., Fairbanks Meridian. The prospect corresponds to locality 11 in figure 2 of Rose (1965).

Geologic setting

Geologic description

The rocks at this occurrence consist mainly of serpentine and limestone. Copper-stained and strongly iron stained rocks occur in float at the site, but copper-bearing bedrock has not been reported (Rose, 1965). The source of the float may be Upper Triassic mafic or ultramafic rocks that occur in the area (Nokleberg and others, 1982).
Geologic map unit (-146.075461440525, 63.2990795269122)
Mineral deposit model Copper-bearing float possibly derived from mafic or ultramafic rocks.
Age of mineralization Possibly Late Triassic or younger.
Alteration of deposit Oxidation of iron- and copper-bearing minerals.

Production and reserves

Workings or exploration The occurrence is on active MAN Resources claims. The site had been prospected when visited by Rose (1965).
Indication of production None