Anaktuvuk River

Occurrence, Inactive

Commodities and mineralogy

Main commodities P
Other commodities U
Ore minerals fluorapatite
Gangue minerals calcite; fluorite; quartz

Geographic location

Quadrangle map, 1:250,000-scale CL
Latitude 68.52
Longitude -151
Nearby scientific data Find additional scientific data near this location
Location and accuracy Samples 50AB076 and 50AB078. Known to within eight miles.

Geologic setting

Geologic description

Occurrence consists of phosphatic, uranifereous (?) pelletal rock from the Alapah Limestone of the Mississippian and Pennsylvanian Lisburne Group. Pelletal phosphate with quartz, purple fluorite and carbonaceous matter, occurs in a calcite matrix in the black shale and chert member of the Alapah.
Geologic map unit (-151.002822402077, 68.5195867941169)
Mineral deposit model Bedded phosphorite (Cox and Singer, 1986; model 34c).
Mineral deposit model number 34c

Production and reserves

Workings or exploration Samples of phosphatic, uranifereous(?) pelletal rock contain 15 percent and 21.4 percent P2O5. Highest radioactivity was 0.014 percent eU. Field samples No. 50AB076 and No. 50AB078.
Indication of production None