Unnamed

Prospect, Inactive

Commodities and mineralogy

Main commodities Cu; Pb
Other commodities Au
Ore minerals chalcopyrite; galena

Geographic location

Quadrangle map, 1:250,000-scale AR
Quadrangle map, 1:63,360-scale B-1
Latitude 67.42
Longitude -156.32
Nearby scientific data Find additional scientific data near this location
Location and accuracy Located south of Shishakshinovik Pass in T. 23 N., R. 11 E., Kateel River Meridian. Location accurate to within 2000 ft. (600 m) and shown as locality 51 in Mayfield and Grybeck (1978).

Geologic setting

Geologic description

Numerous small quartz veins and veinlets carrying chalcopyrite and galena in quartzose rocks in contact aureole of granitic intrusive (Mayfield and Grybeck, 1978). Selected specimens from this occurrence were reported by Berg and Cobb (1967, p. 105-106) to contain 9.81 percent Cu and 27.73 percent Pb, as well as minor amounts of Au and Ag; they also reported tetrahedrite in float.
Geologic map unit (-156.322771347759, 67.4194743227578)
Mineral deposit model Skarn (Cox and Singer, 1986; model 18b).
Mineral deposit model number 18b

Production and reserves

Indication of production None

Additional comments

Prospect is north of Shishakshinovik Pass and within Gates of the Arctic National Park.

References

MRDS Number A011897

References

U.S. Bureau of Mines, 1973, Alaska 1:250,000-scale quadrangle map overlays showing mineral deposit locations, principal minerals, and number and type of claims: U.S. Bureau of Mines Open-File Report 20-73, 95 overlays (updated in 1986, 1987).
Reporters K.R. Leonard (USGS), R.L. Elliott (USGS), J.M. Schmidt (USGS)
Last report date 10/26/1992