Unnamed (near Coco Creek)

Occurrence, Inactive

Commodities and mineralogy

Main commodities Au
Ore minerals gold

Geographic location

Quadrangle map, 1:250,000-scale TE
Quadrangle map, 1:63,360-scale B-1
Latitude 65.476
Longitude -165.065
Nearby scientific data Find additional scientific data near this location
Location and accuracy This is located on the ridgeline along the northwest side of upper Coco Creek in the northeast Teller B-1 quadrangle. It is along a marble layer in schist at an elevation of 1,350 feet. This is locality 19 of Cobb and Sainsbury (1972). Cobb (1975) summarized the one reference for this occurrence under the name 'Unnamed occurrence'.

Geologic setting

Geologic description

Marble intercalated in schist is locally red-stained and replaced by sideritic carbonate with small quartz veinlets. Two samples from this locality contained anomalous gold (Sainsbury and others, 1969, p. 17-18, 36).
Geologic map unit (-165.067676551116, 65.475263870997)
Mineral deposit model Indeterminate.
Age of mineralization Not known.
Alteration of deposit Quartz veining, sideritic carbonate replacement, and possibly silicification.

Production and reserves

Workings or exploration None
Indication of production None