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Pacific Asbestos Mine (Pacific Asbestos pit), Copperopolis, Foothill Copper Belt, Calaveras Co., California, USA

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A former asbestos mine located in sec. 3, T1N, R12E, MDM, 1.9 km (1.2 miles) SSW of Copperopolis. MRDS database stated accuracy for this location is 5,000 meters. Mine employment in 1975 was 38.

Local rocks include Jurassic marine rocks, unit 1 (Western Sierra Nevada and Western Klamath Mountains).

Workings include surface openings (open pit). NOTE: Topo map reflects a shaft symbol.

Production estimated at 36,288 to 45,360 metric tonnes per year.

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

Mining Engineering (1974) Annual Review: 70.

Mesa Mine Reference 11st ID #0402547.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 198.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10187152.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060091702.

 
Mineral and/or Locality  
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