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Mount Sorensen Occurrences, Fortymile District, Southeast Fairbanks Borough, Alaska, USA

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Location: The Mount Sorensen occurrences cover an approximately 4-square-mile area centered about 3 miles west of Mount Sorensen, in section 22, T. 2 N., R. 23 E., of the Fairbanks Meridian.
Geology: Mount Sorensen is the largest ultramafic body in the Eagle quadrangle, and it is composed of partially serpentinized peridotite, dunite, and harzburgite (Foster and Keith, 1974). As much as 1 percent chromite is present in some of the least serpentinized rocks. Serpentinized dunite and harzburgite at Mount Sorensen were assayed using fire assay and spectrographic methods; they contain as much as 0.01 ppm platinum and up to 0.01 ppm palladium (Keith and Foster, 1973).

Commodities (Major) - Cr, Pd, Pt
Development Status: None

Mineral List



2 entries listed. 1 valid mineral.

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Foster, H.L., and Keith, T.E.C., 1974, Ultramafic rocks of the Eagle quadrangle, east-central Alaska: U.S. Geological Survey Journal of Research, v. 2, no. 6, p. 657-669. Keith, T.E.C., and Foster, H.L., 1973, Basic data on ultramafic rocks of the Eagle quadrangle, east-central Alaska: U.S. Geological Survey Open-File Report 73-140, 4 sheets.

 
Mineral and/or Locality  
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