French Gulch

Prospect, 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-4
Latitude 63.87
Longitude -148.77
Nearby scientific data Find additional scientific data near this location
Location and accuracy The French Gulch placer gold prospect is along French Gulch about 0.5 mile from its junction with Healy Creek. The map site is in sec. 17, T. 12 S., R. 6 W., of the Fairbanks Meridian. This is location 64 of Clark and Cobb (1972).

Geologic setting

Geologic description

French Gulch drains the Tertiary Nenana Gravel, which locally contains gold paleoplacers. The source of the placer gold in French Gulch probably results from reworking the Nenana Gravel.
Geologic map unit (-148.772318430172, 63.8695451611022)
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 only.
Indication of production Undetermined
Production notes One of the limiting factors for mining here was the lack of water.

References