Mine detail: Coso Mine

Previously called 'Atlas, Lynch & LynchWalley - Mickey & WheelerNicolDevi
* Kitchen'

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Location

Lat / long:

36.04026, -117.79452

Resource(M)

Primary:	Mercury
Ore:	Cinnabar, Metacinnabar
Gangue:	Alunite, Chalcedony, Clay, Gypsum, Hematite, Limonite, Opal, Pyrite, Sulfur
Orebody form:	IRREGULAR
Discovery year:	1929

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1931-1932, 1935-1936, 1938-1944

Geology

Associated rock:	Basalt Flows Recent;Rhyolite Flows Quat
Associated type:	Rhyolite
Structure:	Hot Springs And Fissures Associated With Them
Alteration processes:	Hydrothermal, Argillic, Silicification

References

MRDS	M055490
DEP	10040638
Reference	{Deposit:: BAILEY, E. H., USGS PERSONAL FILES.}{Deposit:: HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252.}{Deposit:: ROSS & YATES, 1943, USGS BULL 936-Q, P. 395-416}{Production:: USBM DATA}
Reporter	Gassaway, J. S.