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Seneca Development Company Mine, Seneca, Plumas Co., California, USA

Latitude: 40°6'43"N
Longitude: 121°6'14"W
A former (placer ?) Au-Ag occurrence/mine located in secs. 17-20, T26N, R8E, MDM, 1.6 km (5,400 feet) W of Seneca, on National Forest land. Operated by the Seneca Gold Mining Co., California (1990). MRDS database stated accuracy for this location is 1,000 meters.

Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).

Workings included surface operations.

Development Status: Plant (leach operation) was on site.

Mineral List

Gold


1 entry listed. 1 valid mineral.

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References

Randol Mining Directory (1990).

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10115557.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060630781.

U.S. Bureau of Mines, Western Field Operations Center (WFOC), Minerals Information Listing Service (MILS); (MILS-WFOC) production files.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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