Unnamed (north of the Chistochina Glacier) (ARDF #MH304) Ag, Cu, Ni

Unnamed (north of the Chistochina Glacier)

Occurrence, Inactive

Commodities and mineralogy

Main commodities	Ag; Cu; Ni
Other commodities	Au; Pt
Ore minerals	pyrite
Gangue minerals	olivine

Geographic location

Quadrangle map, 1:250,000-scale	MH
Quadrangle map, 1:63,360-scale	A-2
Latitude	63.1988
Longitude	-144.7006
Nearby scientific data	Find additional scientific data near this location
Location and accuracy	The location given by Cobb (1979 [OFR 79-238]) for this occurrence is north of the Chistochina Glacier and southwest of Mount Kimball. The occurrence is shown at an arbitrary point in the NW1/4 section 9, T. 20 S., R. 16 E., Fairbanks Meridian. The accuracy is indeterminate; the occurrence may be within a radius of several miles or more.

Geologic setting

Geologic description A dunite boulder found on a glacial moraine contained abundant pyrite; a sample contained 0.75 percent copper, 0.2 percent nickel, 0.12 ounce of silver per ton, and traces of gold and platinum (Rose, 1967).
Geologic map unit	(-144.702834808431, 63.1984095859338)

Production and reserves

Workings or exploration	A boulder of dunite found in glacial moraine was sampled.
Indication of production	None

References

References Cobb, E.H., 1979, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Mount Hayes quadrangle, Alaska: U.S. Geological Survey Open-File Report 79-238, 140 p. Rose, A.W., 1967, Geology of the upper Chistochina River area, Mount Hayes quadrangle, Alaska: Alaska Division of Mines and Minerals Geologic Report 28, 41 p., 2 maps, scale 1:40,000.
Reporters	W.T. Ellis (Alaska Earth Sciences) and A.W. Wyatt and S.S. Dashevsky (Northern Associates Inc.)
Last report date