|Quadrangle map, 1:250,000-scale||CR|
|Quadrangle map, 1:63,360-scale||C-3|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||This occurrence is about 1.7 miles west-southwest of Granite Mountain and about 0.5 mile east-southeast of the center of section 24, T. 73 S., R. 83 E. The location accurate.|
Geologic descriptionHerreid and Rose (1966) discovered this previously unknown occurrence. It is a 100-foot-wide zone with thin quartz-carbonate veins that contain pyrrhotite, chalcopyrite, and galena. The rocks in the vicinity are graywacke, conglomeratic graywacke, slate, limestone, and phyllite of the Descon Formation of Silurian and Ordovician age.
|Geologic map unit||(-132.719156558719, 55.5222808109337)|
|Mineral deposit model||Thin veins with chalcopyrite, galena, and pyrrhotite.|
|Age of mineralization||Unknown, other than that the veins are in Silurian or Ordovician sedimentary rocks.|
|Workings or exploration||None; only examination by government geologist.|
|Indication of production||None|
Cobb, E. H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Craig quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-869, 262 p.
|Reporters||D.J. Grybeck (Applied Geology)|
|Last report date||5/1/2004|