Mine detail: Barnum - Mc Donnell

Previously called ''

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Location

Lat / long: 46.5462, -122.23453

Resource(M)

Primary: Mercury
Ore: Cinnabar
Orebody form: VEINS
Discovery year: 1913

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
Production years: 1916, 1926-1929, 1931-1932, 1934, 1941

Geology

Host rock:Puget Group;Puget Group;Puget Group;Puget Group;Puget Group
Host type:Sandstone
Structure:Breccia Zone Along Fault Zone. Host Rocks Were Folded And Faulted Prior To Minralization
Tectonic:Cascade Volcanic Arc
Alteration processes:Intense Hydrothermal Alteration

References

MRDSM054899
DEP10040210
Reference{Deposit:: U.S. BUREAU OF MINES, 1965, MERCURY IN WASHINGTON, IN MERCURY POTENTIAL OF THE UNITED STATES: U.S. BUREAU OF MINES INFORMATION CIRCULAR 8252, P. 361.}{Deposit:: BAILEY, E.H., U.S. GEOLOGICAL SURVEY, PERSONAL FILES}{Deposit:: HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 264-265.}{Deposit:: MACKIN, J.H., 1944, RELATION OF GEOLOGY TO MINERALIZATION IN THE MORTON CINNABAR DISTRICT: WASHINGTON DIVISION OF MINES AND MINING REPORT OF INVESTIGATIONS 6, P. 7-30.}{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. 147.}{Production:: USBM DATA; DERKEY AND OTHERS, 1990}
ReporterPeterson, Jocelyn A.