Unnamed (north of lower east fork of Strelna Creek) (ARDF #MC051) Cu

Unnamed (north of lower east fork of Strelna Creek)

Occurrence, Inactive

Commodities and mineralogy

Main commodities	Cu
Other commodities	Bi

Geographic location

Quadrangle map, 1:250,000-scale	MC
Quadrangle map, 1:63,360-scale	C-8
Latitude	61.6007
Longitude	-143.946
Nearby scientific data	Find additional scientific data near this location
Location and accuracy	This occurrence is north of the lower east fork of upper Strelna Creek. It is at an elevation of about 3,700 feet, 3,000 feet northwest of the center of section 22, T. 3 S., R. 8 E. of the Copper River Meridian. This is locality 145 of MacKevett (1976; the location is accurate to within about 1,000 feet.

Geologic setting

Geologic description This occurrence consists of irregular altered zones in Permian marble (MacKevett, 1976). A sample of the altered material contained 500 parts per million (ppm) copper and 10 ppm bismuth.
Geologic map unit	(-143.948089418757, 61.6002348059929)
Age of mineralization	Permian or younger based on the age of the marble host rock.
Alteration of deposit	The type of alteration is not specified.

Production and reserves

Indication of production	None
Additional comments The locality is in the Wrangell-Saint Elias National Park and Preserve.

References

References MacKevett, E.M., Jr., 1976, Mineral deposits and occurrences in the McCarthy quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-773-B, 2 sheets, scale 1:250,000.
Reporters	Travis L. Hudson (Applied Geology, Inc.)
Last report date	1/12/2003