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Twin Chrome Hill Mine, Boulder Peak, Altoona District, Trinity Mts, Klamath Mts, Trinity Co., California, USA

Latitude: 41°9'32"N
Longitude: 122°30'49"W
A former Cr mine located in sec. 14, T38N, R6W, MDM, 3.6 km (2.3 miles) SW of Boulder Peak, on the divide between Crow Creek and Cinnabar Gulch, on National Forest land. First production was 1939. Owned by Emile Chestang, Mt. Shasta, California. MRDS database stated accuracy for this location is 1,000 meters.

Mineralization is a Cr deposit The ore body is lens-shaped. The deposit occurs in a large body of peridotite that covers approximately 300 square miles of NE Trinity County. Local rocks include ultramafic rocks, chiefly Mesozoic, unit 1 (Trinity Ophiolite).

Production data are found in: Averill, Charles V. (1941).

Mineral List


1 entry listed. 1 valid mineral.

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Averill, Charles V. (1941), Mineral resources of Trinity County: California Journal of Mines and Geology, California Division Mines (Report 37): 37(1): 20.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10043526.

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

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