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Cedar Quartz Mine, Higgins Corner, Spenceville District, Nevada Co., California, USA

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Latitude & Longitude (WGS84): 39° 2' 30'' North , 121° 6' 39'' West
Latitude & Longitude (decimal): 39.0416679382, -121.110832214
 
A former lode Au-Cu occurrence/mine located in the S½ sec. 20 and in the N½NW¼ sec. 29, T14N, R8E, MDM, 1.4 km (0.9 mile) W of Huiggins Corner, along the S/E canyon wall of Wolf Creek, on state forest land. Owned/operated by F. S. Parker. MRDS database stated accuracy for this location is 500 meters.

Mineralization is hosted in diabase, slate and serpentinite. The ore body strikes N and dips W at a thickness of 7.01 meters and a length of 1,402.08 meters. It lies in diabase near a Calaveras slate contact with a serpentine belt to the E. Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains).

Workings include surface and underground openings with an overall depth of 12.19 meters and comprised of superficial development work and a shaft. A processing plant was erected on site.

Cu production was less than 100,000 pounds. No other production record was found.

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References

Crawford, James John (1894), Twelfth report of the State Mineralogist: California Mining Bureau. (Report 12): 12: 134.

MacBoyle, Errol (1919), Mines and mineral resources of Nevada County: California Journal of Mines and Geology, California Mining Bureau (Report 16): 16: .

Foote, A.B. (1941), The Price of Gold: California Journal of Mines and Geology: 37(3): 447.

Logan, Clarence August (1941), Mineral resources of Nevada County, California: California Division Mines (Report 37): 37(3): Pl. 3.

Eric, J.C. (1948), Tabulation of Copper Deposits in California in: Copper in California: California Division of Mines Bulletin 144: 277.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10102943 & 10212785.

U.S. Bureau of Mines, Minerals Availability System (MAS) file #0060570078.

 
Mineral and/or Locality  
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