Mine detail: Koon Ranch

Previously called 'South Fork Trinity River'

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Location

Lat / long:

40.87984, -123.60613

Resource(M)

Primary:	Gold
Secondary:	Platinum
Tertiary:	Osmium, Iridium, Iron, Rhodium, Nickel, Copper, Ruthenium, Palladium
Ore:	Gold, Iridosmine, Platinum
Orebody form:	STREAM SEDIMENT DEPOSITS

Production

Operation type:	Placer
Deposit type:	Stream Placer
Production size:	Small
Development status:	Producer

Geology

Host type:	Gravel
Tectonic:	Klamath Mountains Accreted Terrane

References

MRDS	M045309
DEP	10038044
Reference	{Deposit:: LOGAN, C.A., 1919, PLATINUM AND ALLIED METALS IN CALIFORNIA: CALIFORNIA STATE MINING BUREAU BULLETIN 85, P. 88.}{Deposit:: CLARK, W.B., 1970, GOLD DISTRICTS OF CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY BULLETIN 193, P. 143-144.}{Deposit:: SNETSINGER, K.G., 1971, A PLATINUM-METAL NUGGET FROM TRINITY COUNTY, CALIFORNIA: AMERICAN MINERALOGIST, V. 56, NO. 5-6, P. 1101-1105.}
Reporter	Blair, Will N., Peterson, Jocelyn A.