|Quadrangle map, 1:250,000-scale||CL|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||Known to within 1 mile.|
Geologic descriptionSamples are of black, medium to coarsely oolitic phosphate rock from (probably) near the top of the Alapha Limestone. Phosphatic pellets, partly replaced by calcite, are in the calcite matrix. Purple fluorite occurs in and around the edges of phosphatic pellets and in veinlets in calcite.
|Geologic map unit||(-152.502830208903, 68.2995659657251)|
|Mineral deposit model||Bedded phosphorite (Cox and Singer, 1986; model 34c).|
|Mineral deposit model number||34c|
|Age of mineralization||Mississippian.|
|Workings or exploration||Sample contained 25.6 percent P2O5, 0.02 percent V2O5, and 0.009 percent equiv. U; Field location 45 AGr21.|
|Indication of production||None|
Cobb, E.H., 1975, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in northern Alaska: U.S. Geological Survey Open-File Report 75-628, 106 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.
|Reporters||M.T. Powers (D.F. Huber)|
|Last report date||6/30/1992|