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Boarding House Vein Mine, 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 (UTM estimated, sec. lines projected), 0.3 km (800 feet) S of Mount Bullion. Operated during the period 1902-1903. MRDS database stated accuracy for this location is 1,000 meters. A Las Mariposas grant mine.

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

Workings include unspecified surface and underground openings.

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

Produced 133.69 tons of ore yielding $2,060.30 or an average of $15.43 per ton (period values).

Mineral List



2 entries listed. 2 valid minerals.

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References

Logan, Clarence August (1934), Mother Lode Gold Belt of California: California Division Mines Bulletin 108, 221 pp.: Prod sheet facing p. 188.

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): 243.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10102905 & 10285968.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060430518.

Mineral and/or Locality  
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