Hegan and Lefebre (ARDF #FB049) Au

Hegan and Lefebre

Prospect, Inactive

Commodities and mineralogy

Main commodities	Au
Ore minerals	gold

Geographic location

Quadrangle map, 1:250,000-scale	FB
Quadrangle map, 1:63,360-scale	D-3
Latitude	64.861
Longitude	-148.003
Nearby scientific data	Find additional scientific data near this location
Location and accuracy	The Hegan and Lefebre prospect is located in the NW1/4NW1/4 sec. 5, T. 1 S., R. 2 W., Fairbanks Meridian. This prospect is about 25 feet east of Eva Creek, approximately 1 mile upstream fromt its mouth; the prospect is about 1 mile north-northeast of the town of Ester.

Geologic setting

Geologic description A tunnel was driven on a north-trending vein that exposed quartz and a cross-cutting fracture zone in fractured country rock (Smith, 1913 [B 525, p. 207]). There is no data on ore grade, although it is assumed that this was a gold prospect (Cobb, 1976 [OFR 76-662, p. 44]).
Geologic map unit	(-148.005428774024, 64.8605636712635)
Mineral deposit model	Schist-hosted gold-quartz vein

Production and reserves

Workings or exploration	A tunnel driven on a north-trending vein exposed quartz and a cross-cutting fracture zone in fractured country rock (Smith, 1913 [B 525, p. 207]).
Indication of production	None

References

MRDS Number	A015363
References Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Fairbanks quadrangle, Alaska: U.S. Geological Survey Open-File Report 76-662, 174 p. Smith, P.S., 1913, Lode mining near Fairbanks, in Prindle, L.M., A geologic reconnaissance of the Fairbanks quadrangle, Alaska: U.S. Geological Survey Bulletin 525, p. 153-216. Smith, P.S., 1913, Lode mining near Fairbanks: U.S. Geological Survey Bulletin 542-F, p. 137-202.
Reporters	J.R. Guidetti Schaefer and C.J. Freeman (Avalon Development Corporation)
Last report date	7/31/2001