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East Fork of Stuart Fork River occurrence, Covington Mill, Klamath Mts, Trinity Co., California, USA

Latitude: 40°56'12"N
Longitude: 122°45'0"W

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A PGE-Ni occurrence located in secs. 34-36, T36N, R8W, MDM, 3.3 km (2.1 miles) NNE of Covington Mill, along Hebel Creek. MRDS database stated accuracy for this location is 1,000 meters.

Mineralization is hosted in greenstone. The area is underlain by Copley Greenstone (a metamorphosed volcanic rock). Red, nickel-bearing soil overlying the area may be partly transported laterite from ultramafic rocks to the W. Local rocks include ultramafic rocks, chiefly Mesozoic, unit 1 (Trinity Ophiolite).

Analytical data results: Assayed 0.14% Ni.

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References

Bright, J.H. (1958), personal communication to USGS staff.

Wells, F.G. and Hawkes, H.E. (1965) Chromite deposits of Shasta, Tehama, Trinity and Humboldt counties, California. California Division Mines and Geology Bulletin 134, part 1, chapter 3.

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

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10033791 & 10287643.

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

Chesterman, C.W. (1976), written communication to USGS staff.

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Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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