Nigu River

Occurrence, Inactive

Commodities and mineralogy

Main commodities P
Other commodities Ba; V
Ore minerals phosphate

Geographic location

Quadrangle map, 1:250,000-scale HW
Quadrangle map, 1:63,360-scale B-1
Latitude 68.48
Longitude -156.41
Nearby scientific data Find additional scientific data near this location
Location and accuracy Location plotted is for locality in Nigu Bluff on east side of Nigu River, about 4 mi (6.4 km) upstream from its confluence with Etivluk River (U.S. Bureau of Mines (1995, Sequence #0020200018); in T11S, R19W; located to within 1 mi (1.6 km).

Geologic setting

Geologic description

Phosphatic shale interbed within Pennsylvanian-Jurassic Etivluk or Mississippian-Pennsylvanian Lisburne Groups.
Geologic map unit (-156.412943078061, 68.4795008368272)
Mineral deposit model Lode
Age of mineralization Mississippian-Jurassic

Production and reserves

Indication of production None


MRDS Number A106119


U.S. Bureau of Mines, 1995, Spatial data extracted from the Minerals Availability System/Minerals Industry Location System (MAS/MILS): U.S. Bureau of Mines Special Publication 12-95, CD-ROM.
Reporters J.H. Dover
Last report date 9/30/1996