Washington · Okanogan County
Occurrence
Montana
Okanogan County, Washington, United States
Copper Gold
Land & claims · BLM · live
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Surface manager + active mining claims at this point, live from BLM. The "open to location" notes are a general 1872-Mining-Law guide, not BLM output — decision-support only; verify with BLM MLRS and on the ground before staking or entry.
Commodities
PrimaryCopper, Gold
Commodity typeMetallic
Deposit
Deposit typeVein
Deposit sizeU
Ore controlThe Deposit Consists Of Veins In The Actinolite Alteration Zone Of The Mazama Porphyry Molybdenum System (Riedell, 1979).
Materials
Ore mineralsChalcopyrite
GangueCalcite, Pyrite, Pyrrhotite, Quartz
Geology
Host rockDiorite
StructureThe Fawn Peak Stock Was Probably The Intrusive Rock Core Of An Island Arc (Riedell, 1979).
Economic & production
Development statusOccurrence
Community notes
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References
BARKSDALE, J.D., 1975, GEOLOGY OF THE METHOW VALLEY, OKANOGAN COUNTY, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOUCES BULLETIN 68, 72 P., 1 PL.DERKEY, R.E.; JOSEPH, N.L.; LASMANIS, R., 1990, METAL MINES OF WASHINGTON-PRELIMINARY REPORT: STATE OF WASHINGTON, DEPARTMENT OF NATURAL RESOURCES, DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, 577 P.HUNTTING, M. T., 1956, INVENTORY OF WASHINGTON MINERALS-PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, 428 P.; V. 2, 67 P.PURDY, C.P., JR., 1952, DIRECTORY OF WASHINGTON MINING OPERATIONS, 1952: WASHINGTON DIVISION OF MINES AND GEOLOGY INFORMATION CIRCULAR 20, 75 P.RIEDELL, K.B., 1979, GEOLOGY AND PORPHYRY COPPER MINERALIZATION OF THE FAWN PEAK INTRUSIVE COMPLEX, METHOW VALLEY, WASHINGTON: UNIVERSITY OF WASHINGTON MASTER OF SCIENCE THESIS, 52 P., 4 PL.STOFFEL, K.L., MCGRODER, M.F., COMPILERS, 1990, GEOLOGIC MAP OF THE ROBINSON MOUNTAIN 1:100,000 QUADRANGLE, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-5, 39 P., 1 PL.
Identification
Deposit ID10056012
MRDS IDSP00256
RegionNA
Data scoreB
Coordinates48.6165, -120.35119
Base: USGS MRDS (public domain, frozen 2011). Community notes © their authors, CC-BY. Land data live from BLM.