Mine detail: Humboldt

Previously called 'Bear CreekHumboldt Metallics Corp.'

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Location

Lat / long: 44.56733, -120.41111

Resource(M)

Primary: Mercury
Ore: Cinnabar, Limonite
Gangue: Calcite, Chalcedony
Discovery year: 1935

Production

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

Geology

Host rock:Clarno Formation
Host type:Andesite
Associated type:Volcanic Rock (Aphanitic)
Structure:Faults
Alteration processes:Hydrothermal Alteration

References

MRDSM055994
DEP10098460
Reference{Deposit:: BROOKS, H. C., 1963, QUICKSILVER IN OREGON: OREGON DEPT. OF GEOLOGY AND MINERAL INDUSTRIES, BULL. 55, 223 P.}{Deposit:: MERCURY IN OREGON, 1965, USBM IC 8252}{Deposit:: FREDERICK, F., 1945, STATE OF OREGON MAP SHOWING LOCATION OF QUICKSILVER DEPOSITS: OREGON DEPT. OF GEOL. AND MIN. INDUSTRIES, SCALE 1:1,000,000}
ReporterPeterson, Jocelyn A., Gray, Jerry J.