|Quadrangle map, 1:250,000-scale||MC|
|Quadrangle map, 1:63,360-scale||C-8|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||This occurrence is at an elevation of about 3,200 feet on the south valley wall of the east fork of Strelna Creek. It is about 800 feet south of the center of section 22, T. 3 S., R. 8 E. of the Copper River Meridian. This is locality 143 of MacKevett (1976) and locality 27 of MacKevett and others (1978).|
Geologic descriptionThis occurrence consists of an iron-stained altered zone about 3 feet wide that cuts Permian argillite (MacKevett, 1976). A sample of the altered rock contained 1 part per million (ppm) silver, 150 ppm boron, 1,500 ppm copper, and 5 ppm molybdenum.
|Geologic map unit||(-143.938788876666, 61.5916350077687)|
|Age of mineralization||Permian or younger based on the age of the host rock.|
|Alteration of deposit||Oxidation.|
|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|