Washington · Ferry County
Occurrence

Shamrock

Ferry County, Washington, United States
SilverLeadZincCopperNickelGold
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver, Lead, Zinc, Copper, Nickel, Gold
Commodity typeM
Deposit
Deposit sizeN
Ore controlMineralization Is In Silicified Limestone Block Surrounded By Granodiorite. Silver-Lead Ore (Vein) Is 8 In.-8 Ft. Wide And 700 Ft. Long. Nickel Occurs In A Mineralized Zone 100 Ft. Wide In Which There Is A High-Grade Ore Zone 55 Ft. Wide (Huntting, 1956, P. 277).
Materials
Ore mineralsGalena, Lead, Malachite
GangueLimestone
Geology
Host rockMarble,Limestone,Dolomite
Associated rockDiorite
Tectonic settingPaleocene To Eocene Granitic Rocks Intrude Metamorphosed Ordovician? Rocks (Joseph, 1990, Geol. Map, P. 12).
Economic & production
Development statusOccurrence
Identification
Deposit ID10055896
MRDS IDSP00108
Alternate namesIron Creek
RegionNA
Data scoreB
Coordinates48.14595, -118.62723
References
WDGER OFR 90-18HUNTTING, 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.JOSEPH, N.L., COMPILER, 1990, GEOLOGIC MAP OF THE NESPELEM 1:100,000 QUADRANGLE, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN FILE REPORT 90-16, 47 P., 1 PL.MOEN, W.S., 1976, SILVER OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES BULLETIN 69, 188P.PARDEE, J.T., 1918, GEOLOGY AND MINERAL DEPOSITS OF THE COLVILLE INDIAN RESERVATION, WASHINGTON: U.S. GEOLOGICAL SURVEY BULLETIN 677, 186 P., 1 PL.PATTY, E.N., 1921, THE METAL MINES OF WASHINGTON: WASHINGTON GEOLOGICAL SURVEY BULLETIN 23, 366 P.