Commodities
PrimaryGold, Silver, Copper
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
Ore controlMineralization Is In A 2-4-Ft-Wide Vein In The Methow Gneiss (Huntting, 1956, P. 141).
Materials
Ore mineralsChalcopyrite, Galena, Malachite, Sphalerite
GangueCalcite, Pyrite, Quartz
Geology
Host rockGneiss
StructureIntrusion Of The Methow Gneiss Protolith Took Place At Moderate Crustal Levels; The Intrusive Was Later Metamorphosed To Lower Amphibolite Grade With Other Metamorphic Sequences In The Area (Bunning, 1990).
Economic & production
Development statusPast Producer
Identification
Deposit ID10104282
MRDS IDSP00226
Alternate namesSunshine, Triangle;
RegionNA
Data scoreB
Coordinates48.1065, -120.042
References
BUNNING, B.B., COMPILER, 1990, GEOLOGIC MAP OF THE EAST HALF OF THE TWISP 1:100,000 QUADRANGLE, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-9, 51 P., 1 PL.HODGES, L.K., 1897, MINING IN THE PACIFIC NORTHWEST: SEATTLE POST INTELLIGENCER, 116 P. [FACSIMILE REPRINTED 1967 IN TWO VOLUMES, MINING IN EASTERN AND CENTRAL WASHINGTON, AND, MINING IN WESTERN WASHINGTON: SHOREY BOOK STORE, SEATTLE, WASHINGTON.]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.LANDES, HENRY; THYNG, W.S.; LYON, D.A.; ROBERTS, MILNOR, 1902, ANNUAL REPORT FOR 1901, IN SIX PARTS; PART-II THE METALLIFEROUS RESOURCES OF WASHINGTON, EXCEPT IRON: WASHINGTON GEOLOGICAL SURVEY, 123 P.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.