Mine detail: Opalite

Previously called ''

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Location

Lat / long:

42.05516, -118.02821

Resource(M)

Primary:	Lithium, Mercury, Uranium
Ore:	Cinnabar, Mercury
Gangue:	Aragonite, Chalcedony, Halloysite, Opal, Quartz
Orebody form:	OVAL
Other material:	Pyrite
Discovery year:	1924

Production

Operation type:	Unknown
Production size:	Medium
Development status:	Past Producer
Production years:	1927-1933, 1936-1944, 1946, 1956-1957, 1961

Geology

Host type:	Volcanic Rock (Aphanitic),Tuff
Associated type:	Volcanic Rock (Aphanitic),Tuff
Structure:	Located In The Mc Dermitt Caldera Complex
Alteration processes:	Argillic Alteration, Silicification

References

MRDS	M055182
DEP	10040413
Reference	{Deposit:: BAILEY, E.H., USGS, PERSONAL FILES}{Deposit:: BROOKS, H.C., 1963, QUICKSILVER IN OREGON: ODGMI BULL. 55, 223 P.}{Deposit:: RYTUBA, J.J, CONRAD, W.K., AND GLANZMAN, R.K., 1979, URANIUM, THORIUM, AND MERCURY DISTRIBUTION THROUGH THE EVOLUTION OF THE MC DERMITT CALDERA COMPLEX; USGS OPEN-FILE REPORT 79-541, P.8}{Deposit:: 1979 GEOCHEM RYTUBA, J.J, CONRAD, W.K., AND GLANZMAN, R.K.; USGS OPEN-FILE REPORT 79-54}
Reporter	Bergquist, Joel R., Ferns, Mark L. (Brooks, Howard C.), Gray, Jerry J., Li, Zhiping (Peters, S.)