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True Blue Mine, Carrville, Carrville District, Klamath Mts, Trinity Co., California, USA

Latitude: 41°3'2"N
Longitude: 122°42'16"W

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A former lode Au mine located in the W½ (estimated) sec. 20, T37N, R7W, MDM, 1.6 km (5,300 feet) S of Carrville, along the western shore of Clair Engle Lake, on National Forest land. Discovered in 1892. MRDS database stated accuracy for this location is 1,000 meters.

Mineralization is hosted in slate and diorite (MacDonald (1912) describes the host rock as andesitic greenstone). Local rocks include Carboniferous marine rocks, unit 4 (Eastern Klamath Mountains).

Workings include underground openings comprised of a 300 foot adit.

Production data are found in: Brown (1913).

Au was produced from a small pocket in 1911.

Mineral List

Gold

Quartz

2 entries listed. 2 valid minerals.

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References

MacDonald, Donald Francis (1912), Notes on the gold lodes of the Carrville district, Trinity County, California: USGS Bulletin 530-D: 26-27.

Brown, G. Chester (1913), The Counties of Shasta, Siskiyou and Trinity: California Journal of Mines and Geology (Report 14): 14(4): 900.

USGS crib list (1981) (November 4, 1981).

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10103402 & 10238902.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0061051163.

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Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the 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 hundreds 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.
Current server date and time: 29th Sep 2012 08:10:48