Unnamed (at head of Gold Run Creek)

Occurrence, Inactive

Commodities and mineralogy

Main commodities Cu
Ore minerals malachite; pyrite
Gangue minerals quartz

Geographic location

Quadrangle map, 1:250,000-scale SO
Quadrangle map, 1:63,360-scale D-5
Latitude 64.874
Longitude -164.045
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is located on the ridge crest at the head of Gold Run Creek, an east tributary to Big Four Creek, at an elevation of about 1,325 feet. This is locality 93 of Gamble (1988).

Geologic setting

Geologic description

Silicified marble with malachite and pyrite contains 2,000 ppm Cu and 200 ppm As (Gamble, 1988). Bedrock in this area is mostly part of a pelitic schist assemblage of possible Cambrian or Precambrian age (Till and others, 1986).
Geologic map unit (-164.047617335668, 64.8732640696287)
Mineral deposit model Malachite and pyrite in silicified marble.

Production and reserves

Workings or exploration Exploration activities are not reported for this occurrence.
Indication of production None