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Flaming Arrow Mine (Flaming Arrow 2 and 3 deposit; Pacific; Donovan; McCann; Vulture; Pine Ridge; Sobrante), American Camp Station, American Camp District, East Belt, Tuolumne Co., California, USA

Latitude: 38°5'57"N
Longitude: 120°19'45"W
A Mn occurrence/mine located in sec. 21, T3N, R15E, MDM, 2.0 km (6,400 feet) NE of American Camp Station site, along a N-flowing tributary of Rose Creek (12 miles NW of Columbia), on National Forest land. Discovered in 1942. Owned by Nathan Williams, California (1974). MRDS database accuracy for this location is not stated.

NOTE: MRDS file #10141912 states that this is a Ni occurrence. This is apparently in error.

Mineralization is a Mn deposit with manganese oxides and rhodonite ore hosted in meta-sediments, striking E-W. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).

Analytical data results: Ore grade is 13 to 18% Mn; 1 to 2% Fe, and 76 to 83% silica.

Mineral List

'Manganese Oxides'

2 entries listed. 1 valid mineral.

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Trask, Parker Davies, Ivan F. Wilson & F.S. Simons (1943), Manganese deposits of California – a summary report: California Division Mines Bulletin 125: 207-208.

Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 152, 378 pp.: 342-345.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 323.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 414.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10033739 & 10141912.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0061090001.

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