Mine detail: O and B Mine

Previously called 'Oliver and Birney Mine'

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Location

Lat / long: 47.98038, -121.4026

Resource(M)

Primary: Gold, Copper
Secondary: Silver
Tertiary: Zinc, Arsenic
Ore: Chalcopyrite, Galena, Pyrite, Realgar, Sphalerite
Gangue: Calcite, Quartz
Orebody form: VEIN

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer

Geology

Host rock:Barlow Pass Volcanics
Host type:Andesite
Structure:Shear Zone
Tectonic:Cascade Volcanic Arc

References

MRDSM025921
DEP10036944
Reference{Analytical Data:: JOHNSON AND OTHERS}{Deposit:: HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 89.}{Deposit:: BROUGHTON, W.A., 1942, INVENTORY OF MINERAL PROPERTIES IN SNOHOMISH COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY REPORT OF INVESTIGATION 6, P. 21.}{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. 360.}{Deposit:: 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.}
ReporterAndrews, David H. (Lawson, William A.), Peterson, Jocelyn A.