McCuen Gulch

Mine, Inactive

Commodities and mineralogy

Main commodities Au
Ore minerals gold

Geographic location

Quadrangle map, 1:250,000-scale HE
Quadrangle map, 1:63,360-scale D-3
Latitude 63.98
Longitude -148.44
Nearby scientific data Find additional scientific data near this location
Location and accuracy The McCuen Gulch placer gold prospect is on a south-flowing tributary to Totatlanika River, approximately 0.5 miles upstream from Needle Rock. The map site is near the mouth of the gulch, in sec. 12, T. 11 S., R. 5 W., of the Fairbanks Meridian. This is locality 58 of Clark and Cobb (1972).

Geologic setting

Geologic description

McCuen Gulch drains an area of mid-Tertiary coal-bearing strata that overlie mid-Paleozoic Totatlanika Schist, composed predominantly of felsic and mafic metavolcanic and metavolcaniclastic rocks (Wilson and others, 1998). The schist is intruded by Tertiary hypabyssal plutons.
The placer deposit is in poorly-sorted alluvium consisting of well-rounded clasts, mainly of coarse-grained schist. According to Maddren (1918), the gold is derived from bedrock schist rather than reconcentrated from the Tertiary gravels (Maddren, 1918).
Geologic map unit (-148.442332313591, 63.9795507894932)
Mineral deposit model Placer Au (Cox and Singer, 1986; model 39a)
Mineral deposit model number 39a
Age of mineralization Quaternary.

Production and reserves

Workings or exploration Surface development, all prior to 1918.
Indication of production Yes; small