Terentiev Lake

Occurrence, Inactive

Commodities and mineralogy

Main commodities Ag; As; Pb
Ore minerals sulfide minerals
Gangue minerals quartz

Geographic location

Quadrangle map, 1:250,000-scale AN
Quadrangle map, 1:63,360-scale A-1
Latitude 61.06
Longitude -147.17
Nearby scientific data Find additional scientific data near this location
Location and accuracy North of Terentiev Lake, at 2,000 ft elevation - 1 mile east of Peak 2,930. Accurate within 2,500 ft. Locality A-43 of Jansons and others (1984).

Geologic setting

Geologic description

Limonite-stained quartz-cemented fractures in Tertiary biotite +/- hornblende granite. USGS grab samples contained 0.15 percent Pb, 10 ppm Ag, and 0.2 percent As (Jansons and others, 1984).
Geologic map unit (-147.172066121521, 61.0594485941094)
Mineral deposit model Low-sulfide Au-quartz veins? (Cox and Singer, 1986; model 36a?) or Chugach-type low-sulfide Au-quartz vein? (Bliss, 1992; model 36a.1?).
Mineral deposit model number 36a? or 36a.1?
Age of mineralization Tertiary or younger; mineralized fractures cut Tertiary granite.
Alteration of deposit Oxidation of Fe minerals.

Production and reserves

Workings or exploration Jansons and others (1984) reported grab samples contained 0.15 percent Pb, 10 ppm Ag, and 0.2 percent As.
Indication of production None

References

MRDS Number A106210
Reporters D.P. Bickerstaff (USGS contractor); S.W. Huss (USGS)
Last report date 7/30/1998