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Baker prospect, Mount Bullion, Bagby-Mariposa-Mount Bullion-Whitlock District, Mother Lode Belt, Mariposa Co., California, USA

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A former lode Au mine located in sec. 18, T5S, R18E, MDM, 0.8 km (2,700 feet) S of Mount Bullion, along Tailings Gulch (2000 feet SW of Princeton Mine). Produced in 1912. MRDS database stated accuracy for this location is 1,000 meters.

Mineralization is a quartz vein deposit hosted in slate. Local rocks include Jurassic marine rocks, unit 1 (Western Sierra Nevada and Western Klamath Mountains).

Workings include surface and underground openings. No further details on workings.

Production data are found in: Bowen, O.E., Jr. & C.H. Gray, Jr. (1957).

production information: 18 tons of ore produced.

Mineral List



2 entries listed. 2 valid minerals.

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References

Bowen, O.E., Jr. & C.H. Gray, Jr. (1957), Mines and mineral deposits of Mariposa County, California: California Journal of Mines and Geology: 53(1&2): 237.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10031169 & 10260957.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060430516.

Mineral and/or Locality  
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