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Jewett occurrence, Red Mountain, Upper Hayfork Creek area, Klamath Mts, Trinity Co., California, USA

Latitude: 40°19'22"N
Longitude: 123°7'52"W
A Mn occurrence located in the NW¼ sec. 32, T29N, R11W, MDM, 1.0 km (3,400 feet) NNE of Red Mountain (coordinates of record) (near the Black Hawk claim, 100 yards W of Red Mountain guard station, which is along Red Mountain-Wildwood Road, 12 miles SE of Forest Glen-Hayfork Road), on National Forest land. MRDS database stated accuracy for this location is 1,000 meters.

Mineralization is hosted in chert. The ore body strikes E and dips 45N. White chert contains thin films and stains of manganese oxide. Chert strikes E and dips 45N. Serpentine occurs N and S of the deposit. Local rocks include ultramafic rocks, chiefly Mesozoic, unit 2 (Western Sierra Nevada and Klamath Mountains).

Analytical data results: Estimated 1% or less Mn.

Mineral List

'Manganese Oxides'


1 entry listed.

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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: 199.

Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 152, 378 pp.: 320.

USGS crib list (1981) (November 4, 1981).

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10033693 & 10190440.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #006105

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