|Quadrangle map, 1:250,000-scale||MC|
|Quadrangle map, 1:63,360-scale||A-4|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||This occurrence is on the south bank of the Chitina River. It is at an elevation of about 1,400 feet, 800 feet south of the flood plain and 500 east of a small lake. The site is near the center of the SE1/4 of section 14, T. 9 S., R. 17 E. of the Copper River Meridian. This is locality 19 of MacKevett (1976); the location is accurate to within about 500 feet.|
Geologic descriptionThis occurrence consists of quartz veins, 30 to 60 cm thick, in shear zones in Upper Paleozoic metamorphic rocks. A sample of vein material contained 0.5 ppm silver, 300 ppm arsenic, and 70 ppm molybdenum (MacKevett, 1976).
|Geologic map unit||(-142.340313383958, 61.0833669881538)|
|Mineral deposit model||Quartz veins|
|Age of mineralization||Upper Paleozoic or younger based on metamorphic host rocks of the Skolai Group (MacKevett, 1978).|
|Alteration of deposit||Silicification.|
|Workings or exploration||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|