|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 on the ridge crest at the head of the valley of Amy Creek. It is at an elevation of about 6,950 feet, 1,800 feet south-southeast of the center of section 13, T. 2 S., R. 8 E. of the Copper River Meridian. This is locality 166 of MacKevett (1976) and locality 14 of MacKevett and others (1978). The location is accurate to within about 100 feet.|
Geologic descriptionThis occurrence consists of a 3-meter-wide altered fault zone that cuts Triassic Nikolai Greenstone (MacKevett, 1976). A sample of the altered material contained 0.2 part per million (ppm) gold, 1.5 ppm silver, and 7,000 ppm copper.
|Geologic map unit||(-143.874590976964, 61.689138112168)|
|Mineral deposit model||Vein?|
|Age of mineralization||Triassic 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|