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Archibald deposit, Denny, New River District, Salmon Mts, Klamath Mts, Trinity Co., California, USA

Latitude: 40°59'8"N
Longitude: 123°23'11"W

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A Cu occurrence located in secs. 6, 8 & 17 (secs. projected), T7N, R7E, HM, 4.6 km (2.9 miles) N of Denny, among unnamed tributaries of Quinby Creek, a tributary of New River, on Bureau of Land Management wilderness land (Trinity Alps Wilderness). MRDS database stated accuracy for this location is 1,000 meters.

Mineralization is a narrow zone of Cu mineralization hosted in greenstone. The ore body strikes N35W and dips nearly vertical. Ore controls included a shear zone. Silicification and alteration of greenstone and other host rocks are prominent. Local rocks include Paleozoic marine rocks, undivided, unit 9 (Western Klamath Mountains).

Workings include surface openings comprised of bulldozer cuts.

Mineral List

Azurite

Malachite

2 entries listed. 2 valid minerals.

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References

Stinson, Melvin Clarence (1957a), Geology of the Island Mountain copper mine, Trinity County, California: California Journal of Mines and Geology: 53: 25.

Davis, Fenelon Francis (1963), Highlights in California Mining, 1962. California Division Mines & Geology, Mineral Information Service: 16(2): 2.

California Division of Mines and Geology, Mineral Information Service (1963): 16(2): 2.

Campbell and Warne (1958), Archibald Deposit, Defense Minerals Exploration Administration (DMEA) Report 4878.

O’Brien, J.C. (1965) Mines and mineral resources of Trinity County, California. Caifornia Division of Mines and Geology County Report 4, 125 pp.: 21-22, 61.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 228.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10034196 & 10214904.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0061050296.

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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.
Current server date and time: 7th Jul 2012 16:16:55