|Quadrangle map, 1:250,000-scale||NB|
|Quadrangle map, 1:63,360-scale||A-1|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||This occurrence is on the ridge between the headwaters of the East Fork, Snag Creek and Baultoff Creek. It is at a elevation of about 6,800 feet, 500 feet southeast of peak 7316. The occurrence is about 0.6 mile southwest of the center of section 1, T. 4 N., R. 22 E. of the Copper River Meridian. This is locality 3 of Richter and others (1973), locality 49 of Richter and others (1975), and National Park Service locality WRST-79 (unpublished data). Cobb and Richter (1980) included this locality as an 'Unnamed occurrence'. It is located to within a few hundred feet.|
Geologic descriptionThis occurrence is a massive quartz vein that contains minor pyrite and chalcopyrite and cuts Permian marine volcaniclastic rocks (Richter and others, 1973; 1975).
|Geologic map unit||(-141.306338613627, 62.1455774916285)|
|Mineral deposit model||Copper-bearing vein|
|Age of mineralization||Permian or younger; the host rocks cut by the mineralized quartz vein are Permian.|
|Alteration of deposit||Silicification.|
|Indication of production||None|
Additional commentsThe occurrence is in the Wrangell-St. Elias National Preserve.
Cobb, E.H., and Richter, D.H., 1980, Summaries of data on and list of references to metallic and selected nonmetallic mineral deposits in the Nabesna quadrangle, Alaska: U.S. Geological Survey Open-File Report 80-927, 117 p.
|Reporters||Travis L. Hudson (Applied Geology)|
|Last report date||11/24/2002|