Commodities
PrimaryCopper
SecondaryGold, Silver
TertiaryAntimony, Lead, Zinc
Commodity typeM
Deposit
Model53: Porphyry Cu
Deposit sizeU
Orebody formSTOCKWORK VEINLETS
Materials
Ore mineralsChalcopyrite, Galena, Pyrrhotite, Sphalerite, Tetrahedrite
GangueBiotite, Chlorite, Magnetite, Plagioclase, Quartz, Sericite
Geology
Host rockSchist · Easton Metamorphic Suite, Darrington Phyllite
Tectonic settingCascade Volcanic Arc
AlterationPotassic, Argillic, Propylitic
Economic & production
Development statusOccurrence
Identification
Deposit ID10009065
MRDS IDD001710
Alternate namesDarrington
RegionNA
Data scoreB
Coordinates48.22509, -121.559
References
PURDY, C.P., JR., 1951, ANTIMONY OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 39, P. 169.HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, P. 84.BROUGHTON, W.A., 1942, INVENTORY OF MINERAL PROPERTIES IN SNOHOMISH COUNTY, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY REPORT OF INVESTIGATIONS 6, P. 8.HOLLISTER, V.F., 1979, PROPHYRY COPPER-TYPE DEPOSITS OF THE CASCADE VOLCANIC ARC, WASHINGTON: MINERALS SCIENCE AND ENGINEERING, P. 34.TABOR, R.W., BOOTH, D.B., VANCE, J.A., FORD, A.B., AND ORT, M.H., 1988, PRELIMINARY GEOLOGIC MAP OF THE SAUK RIVER 30 BY 60 MINUTE QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 88-692, SCALE 1:100,000.