Mine detail: Bryam-Oscar

Previously called ''

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Location

Lat / long:

44.34177, -120.52861

Resource(M)

Primary:	Mercury
Ore:	Cinnabar, Pyrite
Discovery year:	1932

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1935 - 1937

Geology

Host type:	Tuff,Andesite
Associated rock:	Clarno Formation, Andesite Flows, Tuff
Associated type:	Tuff,Rhyolite,Andesite,Basalt
Structure:	Many Local Faults
Alteration processes:	Extensive Clay Alterations Along Faults And Shear Zones

References

MRDS	M055193
DEP	10040420
Reference	{Deposit:: BAILEY, E. H., USGS, PERSONAL FILES}{Deposit:: BROOKS, H. C., 1963 , QUICKSILVER IN OREGON: ODGMI BULL. 55 , 223 P.}
Reporter	Bergquist, Joel R., Ferns, Mark L. (Brooks, Howard C.), Gray, Jerry J.