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Unidentified Au mine [32], Grizzly Gulch, Pike District, Sierra Co., California, USA

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Latitude & Longitude (WGS84): 39° 26' 7'' North , 120° 54' 41'' West
Latitude & Longitude (decimal): 39.4352760315, -120.911392212
 
A former lode Au occurrence/mine located in the SE¼SE¼ (estimated) sec. 12, T18N, R9E, MDM, about 6 km ESE of Grizzly Gulch (4 miles SW of Alleghany), on National Forest land. MRDS database accuracy for this location is not stated.

Mineralization is a vein deposit hosted in slate. The ore body dips vertically at a thickness of 2.44 meters. There are 2 veins. The W vein is 3 feet thick and strikes N10E. The E vein is 6 to 8 feet thick and strikes N5W. Local rocks include ultramafic rocks, chiefly Mesozoic, unit 2 (Western Sierra Nevada and Klamath Mountains).

Workings include underground openings comprised of a short adit on each vein.

Mineral List



2 entries listed. 2 valid minerals.

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

McCulloch, W.C., Oesterling, W.A., Spurck, W.H., & Tischler, M.S. (1964), Minerals for Industry, Northern California, Southern Pacific Company: Vol. II: (reprint: California Division of Mines and Geology Special Publication 94, 1987): 34.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10034822.

 
Mineral and/or Locality  
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