|Quadrangle map, 1:250,000-scale||SI|
|Quadrangle map, 1:63,360-scale||C-1|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||The Patty prospect is at an elevation of about 2,500 feet, about midway between Pleasant Lake and the head of Gambier Bay. The prospect is 0.6 mile southeast of the center of sec. 5, T. 50 S., R. 71 E. It is MAS no. 0021140197 (U.S. Bureau of Land Management, 2002). The location is accurate.|
Geologic descriptionThis prospect is in narrow outlier of marble of the Devonian, Gambier Bay Formation which is almost surrounded by an undifferentiated unit of Permian and Triassic volcanic rocks, argillite, and chert (Lathram and others, 1965). The only information available for this prospect is that at least one claim was staked here for gold, silver, lead, and zinc by WGM, Inc.
|Geologic map unit||(-134.048233617016, 57.5604611587108)|
|Age of mineralization||Devonian or younger based on the age of the host rock.|
|Workings or exploration||The only information that is available is that at least one claim was staked here in 1976.|
|Indication of production||None|
Additional commentsThe prospect is now within the Wilderness of the Admiralty Island National Monument and is closed to mineral exploration and development.
Lathram, E.H., Pomeroy, J.S., Berg, H.C., and Loney, R.A., 1965, Reconnaissance geology of Admiralty Island, Alaska: U.S. Geological Survey Bulletin 1181-R, p. R1-R48.
U.S. Bureau of Land Management, 2002, Alaska mineral locations database report (Sitka quadrangle), July 2, 2002, 205 p. [http://imcg.wr.usgs.gov/dem.html]
|Reporters||Donald Grybeck (U.S. Geological Survey)|
|Last report date||5/5/2005|