Washington · Snohomish County
Occurrence

Hecla Prospect

Snohomish County, Washington, United States
CopperGoldSilver
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper
TertiaryGold, Silver
Commodity typeM
Deposit
Model85: Polymetallic veins
Deposit sizeN
Orebody formFRACTURE COATINGS
Materials
Ore mineralsChalcopyrite, Marcasite, Pyrite
GangueQuartz
Geology
Host rockDiorite · Squire Creek Stock And Related Intrusive Rocks
Tectonic settingCascade Volcanic Arc
Economic & production
Development statusOccurrence
Identification
Deposit ID10036932
MRDS IDM025905
RegionNA
Data scoreB
Coordinates48.11092, -121.62261
References
HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 85.BROUGHTON, W.A., 1942, INVENTORY OF MINERAL PROPERTIES IN SNOHOMISH COUNTY, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY REPORT OF INVESTIGATIONS 6, P. 44.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.