Occurrence, Inactive

Commodities and mineralogy

Main commodities Cu
Ore minerals azurite; chalcopyrite; malachite

Geographic location

Quadrangle map, 1:250,000-scale AR
Quadrangle map, 1:63,360-scale C-3
Latitude 67.62
Longitude -157.22
Nearby scientific data Find additional scientific data near this location
Location and accuracy Located on hill on the west side of Imelyak River in T. 26 N., R. 7 E, Kateel River Meridian. Shown as locality 76 in Mayfield and Grybeck (1978) and is accurate to within 2000 ft. (600 m).

Geologic setting

Geologic description

Malachite, azurite, and chalcopyrite in small pods and on fracture surfaces in quartz conglomerate below horizontal thrust fault. May part of a suite of sedimentary rock-hosted base-metal deposits in the Brooks Range; see for example Schmidt (1997, p. 35-65) and Schmidt and Werdon (1993, p. 143).
Geologic map unit (-157.222827823995, 67.6194700164188)
Mineral deposit model Polymetallic vein (?), see Schmidt, 1996; Schmidt and Werdon, 1993.

Production and reserves

Indication of production None

Additional comments

Located on lands within the Noatak National Preserve.


MRDS Number A011908
Reporters K.R. Leonard (USGS), R.L. Elliott (USGS), J.M. Schmidt (USGS), S.W. Nelson (USGS)
Last report date 5/6/1997