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  3. Alaska Resource Data File (ARDF)

Iron Mountain

Occurrence, Inactive

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Commodities and mineralogy

Main commodities Fe
Ore minerals magnetite

Geographic location

Quadrangle map, 1:250,000-scale AR
Quadrangle map, 1:63,360-scale A-2
Latitude 67.1
Longitude -157
Nearby scientific data Find additional scientific data near this location
Location and accuracy Located at north end of Bannock Mountain, Cosmos Hills, in T. 19 N., R. 9 E., Kateel River Meridian. Shown as locality 5 in Cobb (1972) and is accurate to within 1 mi. (1.6 km). Also shown as locality 25 in Mayfield and Grybeck (1978).

Geologic setting

Geologic description

Float samples of magnetite weighing up to 100 lbs. (220 kg), but none seen in bedrock. Most common near bedrock contacts between limestone/marble and schist. (Smith, 1913, p. 153-154).
Geologic map unit (-157.002757198208, 67.0994548294666)
Mineral deposit model Superior Fe (Cox and Singer, 1986; model 34a)?
Mineral deposit model number 34a?

Production and reserves

Indication of production None

References

MRDS Number A106044

References

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.
Reporters J.M. Schmidt (USGS), S.W. Nelson (USGS retired)
Last report date 5/14/1997