Mine detail: Sweden Mine

Previously called 'Norway-Sweden GroupCoe MineSt. Helens Mine'

<< Back to the map

Location

Lat / long: 46.29675, -122.1123

Resource(M)

Primary: Copper
Secondary: Gold, Silver
Tertiary: Zinc
Ore: Chalcopyrite, Pyrite, Pyrrhotite, Sphalerite
Gangue: Quartz, Talc
Orebody form: VEIN
Discovery year: 1896

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
First production started: 1905
Last production ended: 1928

Geology

Host rock:Spirit Lake Pluton
Host type:Hornblendite
Tectonic:Cascade Volcanic Arc

References

MRDSM700192
DEP10047861
Reference{Deposit:: HUNTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 78.}{Deposit:: 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.}{Deposit:: 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.}{Deposit:: 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.}{Production:: MOEN, (1977), HUNTING, (1956)}
ReporterCaress, Mary E. (Evarts, Russ), Peterson, Jocelyn A.