Big Little Bear Calaveras Manganese claim (Big Little Bear property; Big Little Bear Mine), Calaveras Co., California, USA
A Mn occurrence/prospect located in sec. 24, T3N, R11E, MDM.
Mineralization is hosted in the Teacup Granodiorite.
ReferencesEC. 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.
| Bementite|| 'Psilomelane'|| Rhodochrosite|
3 entries listed. 2 valid minerals.
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