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Double Mountain

Occurrence, Inactive

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Commodities and mineralogy

Main commodities Cu; Pb
Ore minerals azurite
Gangue minerals quartz

Geographic location

Quadrangle map, 1:250,000-scale TB
Quadrangle map, 1:63,360-scale C-5
Latitude 68.75
Longitude -143.83
Nearby scientific data Find additional scientific data near this location
Location and accuracy Location plotted is locality 47 of Brosge and Reiser (1976, sheet 4); about 1 mi (1.6 km) west southwest of Double Mountain (peak 6750); located to within 1 mi (1.6 km).

Geologic setting

Geologic description

Azurite present in volcanic rocks; sample is of quartz veins in green slate and volcanic rocks.
Geologic map unit (-143.832743341995, 68.7497347481737)
Mineral deposit model Lode; vein

Production and reserves

Workings or exploration Quartz vein samples contain 0.5 percent Cu, 0.15 percent Pb, and 2.8 ppm Ag (Barker, 1981, p. 33, loc. 22).
Indication of production None

References

MRDS Number A012549

References

Grybeck, Donald, 1977, Map showing known mineral deposits of the Brooks Range, Alaska: U.S. Geological Survey Open-File Report 77-166-C, 45 p., 1 sheet, scale 1:1,000,000.
Reporters K.R. Leonard; D.F. Huber; J.M. Schmidt
Last report date 10/13/1992