|Quadrangle map, 1:250,000-scale||MC|
|Quadrangle map, 1:63,360-scale||B-7|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||This occurrence is at the head of an unnamed north tributary to the Gilahina River. It is at an elevation of about 4,700 feet, 3,500 feet west-northwest of peak 6820 and 4,300 feet southeast of elevation 6444. The site is in the NE1/4 of section 33, T. 4 S., R. 10 E. of the Copper rRver Meridian. This is locality 102 of MacKevett (1976); the location is accurate to within about 1,000 feet.|
Geologic descriptionMacKevett (1976) describes this as a vein- and disseminated-type deposit in altered upper Paleozoic volcanic rocks. A sample contained 3 parts per million (ppm) silver and 2,000 ppm copper.
|Geologic map unit||(-143.594779488681, 61.4819443760218)|
|Mineral deposit model||Vein and disseminated|
|Age of mineralization||Late Paleozoic or younger based on the age of the host rocks (MacKevett, 1978).|
|Workings or exploration||Only limited surface sampling.|
|Indication of production||None|
Additional commentsThe locality is in the Wrangell-Saint Elias National Park and Preserve.
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|