Unnamed (southeast of upper Fog Creek) (ARDF #TK060) Au, Cu, Ni

Unnamed (southeast of upper Fog Creek)

Occurrence, Inactive

Commodities and mineralogy

Main commodities	Au; Cu; Ni
Other commodities	Hg
Gangue minerals	quartz

Geographic location

Quadrangle map, 1:250,000-scale	TK
Quadrangle map, 1:63,360-scale	C-3
Latitude	62.685
Longitude	-148.332
Nearby scientific data	Find additional scientific data near this location
Location and accuracy	This occurrence is about 0.15 mile northwest of the top of Hill 5023, on the east side of upper Fog Creek. It is near the center of the SW1/4 sec. 16, T. 30 N., R. 6 E., Seward Meridian. The location is accurate to within 1/4 mile.

Geologic setting

Geologic description This occurrence consists of quartz veins in silicified Paleozoic argillite, interbedded with fine-grained sandstone (J. Schmidt, written communication, 2001). A U.S. Geological Survey sample contains 159 parts per million copper, 106 parts per million nickel, 0.014 part per million gold, and 0.1 part per million mercury.
Geologic map unit	(-148.334230322106, 62.6845291820094)
Alteration of deposit	The argillite is silicified.

Production and reserves

Workings or exploration	Only surface sampling by U.S. Geological Survey (J. Schmidt, written communication, 2001).
Indication of production	None

References

References Csejtey, Bela, Jr., Nelson, W.H., Jones, D.L., Silberling, N.J., Dean, R.M., Morris, M.S., Lanphere, M.A., Smith, J.G., and Silberman, M.L, 1978, Reconnaissance geologic map and geochronology, Talkeetna Mountains quadrangle, northern part of Anchorage quadrangle, and southwest part of Healy quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-558-A, 60 p., 1 sheet, scale 1:250,000.
Reporters	R.K. Rogers (U. S. Geological Survey contractor)
Last report date	10/4/2002