Washington · Snohomish County
Occurrence

Helena and Sadie Prospect

Snohomish County, Washington, United States
SilverGoldCopper
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver, Gold, Copper
Commodity typeM
Deposit
Model85: Polymetallic veins
Deposit sizeN
Orebody formVEIN
Materials
Ore mineralsChalcopyrite
Geology
Host rockTonalite · Index Batholith;Index Batholith
Tectonic settingCascade Volcanic Arc
Economic & production
Development statusOccurrence
Identification
Deposit ID10036934
MRDS IDM025908
RegionNA
Data scoreB
Coordinates47.95425, -121.46677
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 MINES AND GEOLOGY REPORT OF INVESTIGATIONS 6, P. 48.TABOR, R.W., FRIZZELL, V.A., JR., BOOTH, D.B., WHETTEN, J.T., WAITT, R.B., JR., AND ZARTMAN, R.E., 1982, PRELIMINARY GEOLOGIC MAP OF THE SKYKOMISH RIVER 1:100,000 QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 82-747, SCALE 1:100,000.