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Big Little Bear Calaveras Manganese claim (Big Little Bear property; Big Little Bear Mine), Calaveras Co., California, USA

Latitude: 38°6'18"N
Longitude: 120°43'39"W

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A Mn occurrence/prospect located in sec. 24, T3N, R11E, MDM.

Mineralization is hosted in the Teacup Granodiorite.

References

EC. Mineral map No. 5 (1943).

Trask, Parker Davies, Ivan F. Wilson & F.S. Simons (1943), Manganese deposits of California – a summary report: California Division Mines Bulletin 125: 60, 106.

Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 152, 378 pp.: 40.

Trengrove, Russell R. (1950), Reconnaissance of California Manganese Deposits, U.S. Bureau of Mines Report of Investigation 5579: 22.

Clark, Wm. B. & P.A. Lydon (1962), Mines and mineral resources of Calaveras County, California: California Division of Mines & Geology County Report 2; [… Geological Society of America Proceedings, 1933: 312-313, 1934]: 211, Pl. D.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 101, 320.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 213, 411.

USGS Map GQ-222.

Mineral List

Bementite

'Psilomelane'

Rhodochrosite

3 entries listed. 2 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in California, USA 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: 18th Jun 2011 15:13:46