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Alaska Mine (Fredda Enterprise Mine), Bummerville, West Point District, East Belt, Calaveras Co., California, USA

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A former lode Au mine located in secs. 1 & 12, T6N, R13E, MDM, 0.9 km (0.6 mile) SSE of Bummerville (2 miles SE of West Point; in the NW¼ [which section ?]). The property consisted of 53 acres. MRDS database stated accuracy for this location is 1,000 meters.

Mineralization is a vein deposit hosted in granodiorite. The ore body strikes N15W and dips 75SE at a thickness of 0.61 meter. Local rocks include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).

Workings include underground openings comprised of a 90 foot deep shaft and a drift.

Mineral List



1 entry 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

Clark, Wm. B. & P.A. Lydon (1962), Mines and mineral resources of Calaveras County, California: California Division of Mines & Geology County Report 2; [… Geological Society of America Proceedings, 1933: 312-313, 1934]: 134, 15.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 16 (map 2-6).

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10029278 & 10210989.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060091186.

Mineral and/or Locality  
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