Vann Ranch prospect (Van Ranch Middle Creek; Black Rock; Grizzly Canyon prospect), Vann, Lake Co., California, USA
A Mn occurrence/prospect located in sec. 34, T17N, R10W, MDM, 3.9 km (2.4 miles) NNW of Vann and 10.4 km (6.5 miles) E of Potter Valley.
ReferencesTrask, Parker Davies, Ivan F. Wilson & F.S. Simons (1943), Manganese deposits of California – a summary report: California Division Mines Bulletin 125: 127.
Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 152, 378 pp.: 98.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 164.
1 entry listed. 1 valid mineral.
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Locality Updated: Zimmerman Ore Bank, Frederick Co., Maryland, USAFrom Bill Cordua, 11th Dec 2013 13:43:44