|Quadrangle map, 1:250,000-scale||DE|
|Quadrangle map, 1:63,360-scale||D-1|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||This site represents one or more claims on the ridge about 0.6 mile south of the head of Mallard Bay. All or most of the claim(s) are probably in the N1/2 section 7, T. 82 S. R. 90 E. The location is a general one and the site may be a mile or more from the coordinates.|
Geologic descriptionIn 1958, Utah Construction Company staked one or more claims on a magnetic anomaly identified from an aeromagnetic survey. Magnetite occurs in a band of Silurian or Ordovician pyroxenite (MacKevett, 1963; Gehrels, 1992).
|Geologic map unit||(-132.025470020386, 54.7776578967599)|
|Mineral deposit model||Magnetite in pyroxenite.|
|Age of mineralization||Magnetite in Silurian or Ordovician pyroxenite.|
|Workings or exploration||None; claims were staked on an anomaly determined from an aeromagnetic survey.|
|Indication of production||None|
Gehrels, G. E., 1992, Geologic map of southern Prince of Wales Island, southeastern Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I-2169, 23 p., 1 sheet, scale 1:63,360.
|Reporters||D.J. Grybeck (Applied Geology)|
|Last report date||9/1/2003|