Ambler River Headwaters

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-2
Latitude 67.59
Longitude -156.52
Nearby scientific data Find additional scientific data near this location
Location and accuracy Location is near headwaters of the Ambler River and south of Nakmaktuak Pass in T. 25 N., R. 10 E., Kateel River Meridian. Shown as locality 60 in Mayfield and Grybeck (1978) and accurate to within 2000 ft. (600 m).

Geologic setting

Geologic description

Malachite, azurite, and chalcopyrite in quartz veins cutting marble near contact with phyllite; traceable for at least 50 m.
Geologic map unit (-156.522801234815, 67.5894780773723)
Mineral deposit model Polymetallic vein (Cox and Singer, 1986; model 19a)?
Mineral deposit model number 19a?

Production and reserves

Indication of production None

Additional comments

Other occurrences nearby consist of malachite in quartz veins cutting marble at a thrust contact and of malachite in conglomerate.


MRDS Number A011901
Reporters K.R. Leonard (USGS), R.L. Elliott (USGS), J.M. Schmidt (USGS)
Last report date 10/26/1992