Unnamed (south of Barnard Glacier) (ARDF #MC211) Cu, Fe

Unnamed (south of Barnard Glacier)

Occurrence, Inactive

Commodities and mineralogy

Main commodities	Cu; Fe
Ore minerals	chalcopyrite; pyrite

Geographic location

Quadrangle map, 1:250,000-scale	MC
Quadrangle map, 1:63,360-scale	A-2
Latitude	61.1047
Longitude	-141.6353
Nearby scientific data	Find additional scientific data near this location
Location and accuracy	This occurrence is at an elevation of about 5,300 feet, about 8,000 feet from Barnard Glacier and 1,800 feet north-northeast of elevation 6440. The occurrence is about 1,000 feet north-northeast of the center of section 11, T. 9 S., R. 21 E. of the Copper River Meridian. This is locality 15 of MacKevett (1976); the location is accurate to within about 1,000 feet.

Geologic setting

Geologic description This occurrence consists of a sulfide-bearing dike; a sample contained 20 percent iron and 500 parts per million copper (MacKevett, 1976). The dike is near the thrust contact between Triassic Nikolai Greenstone and upper Paleozoic metamorphic rocks (MacKevett, 1978).
Geologic map unit	(-141.637297797428, 61.104285639198)
Mineral deposit model	Disseminated sulfide minerals

Production and reserves

Workings or exploration	Limited surface sampling.
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. MacKevett, E.M., Jr., 1978, Geologic map of the McCarthy quadrangle, Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I-1032, 1 sheet, scale l:250,000.
Reporters	Travis L. Hudson (Applied Geology, Inc.)
Last report date	1/12/2003