Imelyak River

Occurrence, Inactive

Commodities and mineralogy

Main commodities Ba; Cu; Pb; Zn
Ore minerals azurite; barite; galena; malachite; sphalerite

Geographic location

Quadrangle map, 1:250,000-scale AR
Quadrangle map, 1:63,360-scale C-3
Latitude 67.64
Longitude -157.22
Nearby scientific data Find additional scientific data near this location
Location and accuracy Located near the head of the Imelyak River at approximately 2000 ft. (600 m) elevation in T. 26 N., R. 7 E., Kateel River Meridian. Shown as locality 75 in Mayfield and Grybeck (1978) and accurate to within 2000 ft. (600 m).

Geologic setting

Geologic description

Sphalerite and galena in shear zone less than 3 ft. (1 m) wide in limestone; and malachite, azurite, and barite vein less than 6 ft. (2 m) wide cutting limestone. Occurrence may be related to other sedimentary rock-hosted mineral occurrences in the Brooks Range; see for example Schmidt (1997, p. 35-65) and Schmidt and Werdon (1993, p. 143).
Geologic map unit (-157.222830549172, 67.6394704370319)
Mineral deposit model Polymetallic vein (?), see Schmidt, 1996; Schmidt and Werdon, 1993.

Production and reserves

Indication of production None

Additional comments

Located on land within the Noatak National Preserve.

References

MRDS Number A011907
Reporters K.R. Leonard (USGS), R.L. Elliott (USGS), J.M. Schmidt (USGS), S.W. Nelson (USGS retired)
Last report date 5/6/1997