Needle Rock

Prospect, Probably 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 -148.45
Nearby scientific data Find additional scientific data near this location
Location and accuracy This gold placer prospect adjoins the upper Totatlanika River near Needle Rock, a prominent landmark. The map site is in the SW1/4 of sec. 1, T. 11 S., R. 5 W., of the Fairbanks Meridian.

Geologic setting

Geologic description

The country rocks in the area of the Needle Rock gold placer prospect include the mid-Paleocene Totatlanika Schist, mid-Tertiary hypabyssal plutons, and younger Tertiary strata that overlie the basement rocks (Wahrhafig, 1970; GQ805). At Needle Rock, Tertiary gravels have been worked for placer gold.
Geologic map unit (-148.452332261829, 63.9795505691508)
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

References