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Four Point claim, Copper Hill, South Fork District, Klamath Mts, Trinity Co., California, USA

Latitude: 40°26'34"N
Longitude: 123°18'18"W

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A Mn occurrence/claim located in the NW¼ sec. 29, T1N, R8E, HM, 3.9 km (2.4 miles) NE of Copper Hill, in the headwaters area of North Rattlesnake Creek and North Post Creek (on the E side of a road leading S from the forest road to Limedyke), on National Forest land (located claim). Owned by R Sihlis, California (1974). MRDS database stated accuracy for this location is 1,000 meters.

Mineralization is hosted in chert. A mass of low grade manganiferous chert not over 4 feet in diameter, in chert associated with greenstone. Local rocks include Paleozoic marine rocks, undivided, unit 9 (Western Klamath Mountains).

Analytical data results: Estimated less than 10% Mn.

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References

Trask, Parker Davies, Ivan F. Wilson & F.S. Simons (1943), Manganese deposits of California – a summary report: California Division Mines Bulletin 125: 198.

Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 152, 378 pp.: 317.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10033689 & 10190584.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0061050034.

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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: 21st Sep 2012 13:33:34