Unnamed (south of Eagle Creek) (ARDF #WI008) Cu

Unnamed (south of Eagle Creek)

Occurrence, Inactive

Commodities and mineralogy

Main commodities	Cu
Ore minerals	malachite; unspecified copper sulfides

Geographic location

Quadrangle map, 1:250,000-scale	WI
Quadrangle map, 1:63,360-scale	C-5
Latitude	67.5252
Longitude	-152.2537
Nearby scientific data	Find additional scientific data near this location
Location and accuracy	This occurrence is at an elevation of about 3,100 feet, 0.3 mile south-southeast of the top of hill 3452, near the center of section 9, T. 31 N., R. 21 W., of the Fairbanks Meridian. The location is accurate.

Geologic setting

Geologic description This occurrence consists of unspecified copper sulfides and malachite in Devonian, Skajit Limestone (Brosge and Reiser, 1960). The Skajit Limestone is locally broken by thrusts and steep faults. The rocks in the vicinity are Skajit Limestone and Middle Devonian, siliceous clastic rocks (Dillon and others, 1986). No other information is available.
Geologic map unit	(-152.25646148229, 67.5247403104648)
Alteration of deposit	Oxidation of copper mineral(s).

Production and reserves

Workings or exploration	Only surface sampling.
Indication of production	None

References

References Cobb, E.H., 1972, Metallic mineral resources map of the Wiseman quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-469, 1 sheet, scale 1:250,000 Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Chandalar and Wiseman quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-340, 205 p. Cobb, E.H., 1981, Summaries of data on and lists of references to metallic and selected nonmetallic mineral occurrences in the Wiseman quadrangle, Alaska; Supplement to Open-File Report 76-340; Part B, Lists of references to January 1, 1981: U.S. Geological Survey Open-File Report 81-732-B, 22 p.
Reporters	J.M. Britton (Anchorage)
Last report date	8/9/2002