|Quadrangle map, 1:250,000-scale||TK|
|Quadrangle map, 1:63,360-scale||C-4|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||This occurrence is at an elevation of about 3,100 feet on the east, valley wall of a south tributary of Fog Creek. It is approximately 1.2 miles southwest of the top of hill 4960, near the center of the SW1/4 sec. 20, T. 30 N., R. 5 E., Seward Meridian. The location is accurate to within 1/4 mile.|
Geologic descriptionThis occurrence consists of a copper-stained, 30-cm-thick section of silicified gossan in Paleozoic sedimentary rocks (J. Schmidt, written communication, 2001). A U.S. Geological Survey rock sample contains 4.69 percent copper, 123 parts per million bismuth, 353 parts per million zinc, and 74 parts per million arsenic.
|Geologic map unit||(-148.565934364009, 62.6721249286467)|
|Alteration of deposit||Gossan is silicified and copper-stained.|
|Workings or exploration||Only surface sampling by U.S. Geological Survey (J. Schmidt, written communication, 2001).|
|Indication of production||None|
Csejtey, Bela, Jr., Nelson, W.H., Jones, D.L., Silberling, N.J., Dean, R.M., Morris, M.S., Lanphere, M.A., Smith, J.G., and Silberman, M.L, 1978, Reconnaissance geologic map and geochronology, Talkeetna Mountains quadrangle, northern part of Anchorage quadrangle, and southwest part of Healy quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-558-A, 60 p., 1 sheet, scale 1:250,000.
|Reporters||R.K. Rogers (U. S. Geological Survey contractor)|
|Last report date||10/4/2002|