|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 on a ridge north of the Gilahina River. It is at an elevation of about 6,150 feet, 800 feet south-southwest of elevation 6444 in the SW1/4 of section 28, T. 4 S., R. 10 E. of the Copper River Meridian. This is locality 103 of MacKevett (1976); the location is accurate to within about 1,000 feet.|
Geologic descriptionThis occurrence consists of a 10-foot-wide iron-stained fault zone that cuts upper Paleozoic volcanic rocks (MacKevett, 1976, 1978). A sample of the altered material contained 7 parts per million (ppm) silver and 200 ppm lead.
|Geologic map unit||(-143.612780051761, 61.4886439132261)|
|Age of mineralization||Late Paleozoic or younger based on the age of the rocks adjacent to the fault that hosts the deposit.|
|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|