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Suprise Mine, Keswick, Shasta District, Klamath Mts, Shasta Co., California, USA

Latitude: 40°36'53"N
Longitude: 122°28'28"W
A former lode Au-Cu mine located in sec. 19, T32N, R5W and in sec. 24, T32N, R6W, MDM (coordinates estimated), 1.1 km (3,700 feet) SW of Keswick, along Rock Creek. Property consisted of 1 claim. MRDS database stated accuracy for this location is 1,000 meters.

Mineralization is hosted in granite porphyry. The ore body is 3.66 meters thick. Local rocks include Mesozoic granitic rocks, unit 4 (Klamath Mountains and Northern Sierra Nevada).

Workings include underground openings comprised of a shaft 50 feet deep.

Analytical data results: Quartz carries 1.5% sulphides.

Mineral List

Gold
Quartz


2 entries listed. 2 valid minerals.

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References

Crawford, James John (1894), Twelfth report of the State Mineralogist: California Mining Bureau. (Report 12): 12: 257.

Lydon, Philip Andrew and O’Brien, J.C. (1974) Mines and mineral resources of Shasta County, California. California Division of Mines and Geology County Report 6, 154 pp.

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

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10034487 & 10164781.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060890577.

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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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