|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 north of the lower east fork of upper Strelna Creek. It is at an elevation of about 3,500 feet, 2,000 feet north-northeast of the center of section 21, T. 3 S., R. 8 E. of the Copper River Meridian. This is locality 146 of MacKevett (1976); the location is accurate to within about 1,000 feet.|
Geologic descriptionThis occurrence consists of veins as much as 6 inches thick that cut Triassic gabbro (MacKevett, 1976; MacKevett and others, 1978). A sample of the veins contained 0.2 part per million (ppm) gold, 700 ppm arsenic, and more than 2,000 ppm boron.
|Geologic map unit||(-143.959089780583, 61.6007346356198)|
|Mineral deposit model||Vein|
|Age of mineralization||Triassic or younger based on the age of the gabbro host rock.|
|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|