Siniktanneyak Mtn.

Occurrence, Inactive

Commodities and mineralogy

Main commodities Cr
Other commodities Ag
Ore minerals chromite

Geographic location

Quadrangle map, 1:250,000-scale HW
Quadrangle map, 1:63,360-scale B-5
Latitude 68.33
Longitude -158.45
Nearby scientific data Find additional scientific data near this location
Location and accuracy
Location plotted is center of chromite zone shown by Jansons and Baggs (1980, p. 26), in T34N, R2E; in saddle on ridge line about 1 mi (1.6 km) east of Siniktanneyak Mountain summit; located to within 1 mi (1.6 km).

Geologic setting

Geologic description

Peridotite in Jurassic? mafic-ultramafic complex contains widespread disseminated chromite and small chromite-bearing lenses, the largest being 8 in. thick and 12 ft. long (Jansons and Baggs, 1980, p. 65-9).
Geologic map unit (-158.452950355621, 68.3294469012891)
Mineral deposit model Lode; podiform chromite
Mineral deposit model number 8a
Age of mineralization Jurassic?

Production and reserves

Indication of production None

Additional comments

See MAS/MILS Sequence number 0020200006 (USBM, 1995).