Washington · Snohomish County
Past Producer

O and B Mine

Snohomish County, Washington, United States
CopperGoldSilverArsenicZinc
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper, Gold
SecondarySilver
TertiaryArsenic, Zinc
Commodity typeM
Deposit
Model85: Polymetallic veins
Deposit sizeS
WorkingsSurface/Underground
Orebody formVEIN
Ore controlFracture
Materials
Ore mineralsChalcopyrite, Galena, Pyrite, Realgar, Sphalerite
GangueCalcite, Quartz
Geology
Host rockAndesite · Barlow Pass Volcanics
StructureShear Zone
Tectonic settingCascade Volcanic Arc
Economic & production
Development statusPast Producer
Identification
Deposit ID10036944
MRDS IDM025921
Alternate namesOliver and Birney Mine
RegionNA
Data scoreB
Coordinates47.98038, -121.4026
References
JOHNSON AND OTHERSHUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 89.BROUGHTON, W.A., 1942, INVENTORY OF MINERAL PROPERTIES IN SNOHOMISH COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY REPORT OF INVESTIGATION 6, P. 21.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. 360.JOHNSON, F.L., DENTON, D.K., IVERSON, S.R., MCCULLOCH, R.B., STEBBINS, S.A., AND STOTELMEYER, R.B., 1983, MINERAL RESOURCES OF THE GLACEIR PEAK RARE II AREA (NO. L6031), SNOHOMISH COUNTY, WASHINGTON: U.S. BUREAU OF MINES OPEN-FILE REPORT MLA 75-83, P. 32.