Koon Ranch, South Fork Trinity River, Salyer, Trinity Co., California, USA
Latitude: 40°52'51"N
Longitude: 123°36'7"W
A former placer Au-PGE (Rh-Ir-Os-Ru-Pd)-Fe-Ni-Cu mine located on the South Fork Trinity River.
Mineralization is a stream placer (Deposit model: 119: Placer Au-PGE), hosted in gravel.
Related tectonic structures include the Klamath Mountains Accreted Terrane.
References
Logan, Clarence August (1918), Platinum and allied metals in California: California Mining Bureau. Bulletin 85, 120 pp.: 88.
Clark, Wm. B. (1970a) Gold districts of California: California Division Mines & Geology Bulletin 193: 143-144.
Snetsinger, K.G. (1971a) Platinum-metal nugget from Trinity County, California. American Mineralogist: 56(5-6): 1101-1105.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 39, 44.
Mineral List
3 entries listed. 2 valid minerals.
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