Commodities
PrimaryGold
SecondarySilver, Platinum
TertiaryChromium, Iridium, Ruthenium, Rhodium, Palladium, Osmium
Commodity typeM
Deposit
Deposit typeStream Placer
Model119: Placer Au-PGE
Deposit sizeS
WorkingsSurface
Orebody formSTREAM SEDIMENT DEPOSITS
Ore controlStream Hydraulics
Materials
Ore mineralsChromite, Gold
GangueEpidote, Hematite, Ilmenite, Limonite, Magnetite, Zircon
Geology
Host rockGravel · Llano De Oro Formation;Llano De Oro Formation;Llano De Oro Formation;
Tectonic settingKlamath Mountains Accreted Terrane
Economic & production
Development statusProducer
Identification
Deposit ID10042730
MRDS IDM060674
Alternate namesLlano De Oro, Cameron Placer, Logan Placer, French Flat, Simmons Placer
RegionNA
Data scoreB
Coordinates42.06871, -123.63448
References
OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES, 1952, OREGON METAL MINES HANDBOOK, SOUTHWESTERN OREGON--JOSEPHINE COUNTY (2D ED.): OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 14-C, V. 2, SEC. 1, P. 194-196.BROOKS, H.C., AND RAMP, LEN, 1968, GOLD AND SILVER IN OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 61, P. 242.MERTIE, J.B., JR., 1969, ECONOMIC GEOLOGY OF THE PLATINUM METALS: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 630, P. 99-100.RAMP, LEN, AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUNTY, OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 100, TABLE 1.SHENON, P.J., 1933, GEOLOGY AND ORE DEPOSITS OF THE TAKILMA-WALDO DISTRICT, OREGON: U.S. GEOLOGICAL SURVEY BULLETIN 846-B, P. 186-188.DILLER, J.S., 1914, MINERAL RESOURCES OF SOUTHWESTERN OREGON: U.S. GEOLOGICAL SURVEY BULLETIN 546, P. 119-120.