|Quadrangle map, 1:250,000-scale||UN|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||Locality is about 9 km east of Broad Bay landing strip on the Makushin River and corresponds to locality 4 of Cobb (1972, MF-446). Acccurate within about 300 m.|
Geologic descriptionA few minute grains of gold panned from 2 tributaries on north side of Makushin River. Above these streams is a conspicuous gossan of altered and pyritized rocks of the Unalaska Formation (see Drewes and others, 1961).
|Geologic map unit||(-166.781086122753, 53.8958417286959)|
|Mineral deposit model||Placer Au-PGE (Cox and Singer, 1986; model 39a).|
|Mineral deposit model number||39a|
|Age of mineralization||Quaternary|
|Indication of production||None|
Additional commentsStream gradient about 75 m/km.
Cobb, E.H., 1972, Metallic mineral resources map of the Unalaska quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies MF-446, 1 sheet, scale 1: 250,000.
Cobb, E.H., 1980, Summaries of data and lists of references to metallic and selected nonmetallic mineral deposits in fifteen quadrangles in southwestern and west-central Alaska: U.S. Geological Survey Open-File Report 80-909, 103 p.
|Reporters||L.P. Niles, D.F. Huber, F.H. Wilson|
|Last report date||3/18/1996|