Little Togiak Lake

Occurrence, Inactive

Commodities and mineralogy

Main commodities Hg; Zn
Ore minerals pyrite

Geographic location

Quadrangle map, 1:250,000-scale GO
Quadrangle map, 1:63,360-scale C-1
Latitude 59.59
Longitude -159.19
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is on the lower part of a stream entering the west side of Little Togiak Lake, 2 1/4 miles from the head of the lake. The map site is on the stream at an elevation of 100 feet, in the NW1/4 of section 8, T 7 S, R 58 W, of the Seward Meridian.

Geologic setting

Geologic description

Eakins (1968, p. 13) collected several stream-sediment samples in this drainage that contained anomalous amounts of mercury and zinc. In addition, he found float of massive pods and veinlets of pyrite up to 3 inches thick in the stream. Bedrock along the stream includes several felsic dikes intruding argillite. Dikes and faults in the area generally trend east-west.
Geologic map unit (-159.192217996658, 59.5892536371954)
Mineral deposit model Polymetallic veins (Cox and Singer, 1986; model 22c)
Mineral deposit model number 22c
Age of mineralization Possibly Late Cretaceous or Early Tertiary. Mineralization may be related to the felsic dikes, which are inferred to be part of a regionally extensive Upper Cretaceous and Lower Tertiary plutonic suite (Hoare and Coonrad, 1978).

Production and reserves

Workings or exploration Reconnaissance stream-sediment sampling has been completed in the area (Eakin, 1968).
Indication of production None

Additional comments

This occurrence is in Wood-Tikchik State Park.