|Quadrangle map, 1:250,000-scale||WI|
|Quadrangle map, 1:63,360-scale||B-1|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||This occurrence is at an elevation of about 3,900 feet, in the SE1/4 section 22, T. 29 N., R. 13 W., of the Fairbanks Meridian. It is 0.2 mile south of hill 4465. The location is accurate.|
Geologic descriptionThis occurrence is a quartz vein in Devonian schist and marble (Brosge and Reiser, 1972). A sample contains 0.04 to 0.079 ppm gold and 6.0 to 19 ppm silver. Brosge and Reiser (1960) earlier reported copper sulfides and malachite along the contact between the schist and marble.
|Geologic map unit||(-150.413137546206, 67.3208655194452)|
|Alteration of deposit||Oxidation of copper mineral(s).|
|Workings or exploration||Only surface sampling.|
|Indication of production||None|
Additional commentsThis occurrence is in Gates of the Arctic National Park and Preserve.
Cobb, E.H., 1972, Metallic mineral resources map of the Wiseman quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-469, 1 sheet, scale 1:250,000
Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Chandalar and Wiseman quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-340, 205 p.
Grybeck, Donald, 1977, Map showing known mineral deposits of the Brooks Range, Alaska: U.S. Geological Survey Open-File Report 77-166-C, 45 p., 1 sheet, scale 1:1,000,000.
Maas, K.M., 1987, Maps summarizing land availability for mineral exploration and development in northern Alaska, 1986: U.S. Bureau of Mines Open-File Report 10-87, 33 quadrangle overlays.
|Reporters||J.M. Britton (Anchorage)|
|Last report date||5/14/2010|