Commodities
PrimaryCopper
SecondaryGold, Silver
TertiaryZinc
Commodity typeM
Deposit
Model85: Polymetallic veins
Deposit sizeS
WorkingsUnderground
Orebody formVEIN
Ore controlFracture Zone
Materials
Ore mineralsChalcopyrite, Pyrite, Pyrrhotite, Sphalerite
GangueQuartz, Talc
Geology
Host rockHornblendite · Spirit Lake Pluton
Tectonic settingCascade Volcanic Arc
Economic & production
Development statusPast Producer
First production1905
Last production1928
Discovery year1896
Identification
Deposit ID10047861
MRDS IDM700192
Alternate namesNorway-Sweden Group, Coe Mine, St. Helens Mine
RegionNA
Data scoreB
Coordinates46.29675, -122.1123
References
HUNTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 78.LANDES, HENRY, THYNG, W.S., LYON, D.A., ROBERTS, MILNOR, 1902, THE METALLIFEROUS RESOURCES OF WASHINGTON, EXCEPT IRON: WASHINGTON GEOLOGICAL SURVEY ANNUAL REPORT FOR 1901, V. I, PT. 2, P. 132-133.MOEN, W.S., 1977, ST. HELENS AND WASHOUGAL MINING DISTRICTS OF THE SOUTHERN CASCADES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES INFORMATION CIRCULAR 60, P. 17, 33-37.DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WASHINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 340.MOEN, (1977), HUNTING, (1956)