Mine detail: Silver Cloud Mine

Previously called 'ClipperMaddeford-Smith'

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Location

Lat / long:

41.05323, -116.62705

Resource(M)

Primary:	Mercury
Ore:	Cinnabar, Metacinnabar
Gangue:	Alunite, Chalcedony, Opal
Orebody form:	BLANKET
Discovery year:	1931

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1940, 1942-1944
First production started:	1940

Geology

Associated type:	Rhyolite,Andesite
Structure:	N Trending Syncline 1500 Ft Wide, Minor Drag Folds Along Steep Normal Faults
Tectonic:	Basin And Range
Alteration processes:	Silicification; Hydrothermal Alteration

References

MRDS	M055013
DEP	10040301
Reference	{Deposit:: BAILEY, E. H., U. S. GEOLOGICAL SURVEY, PERSONAL FILES}{Deposit:: BAILEY AND PHOENIX, 1944, QUICKSILVER DEPOSITS IN NEVADA: NBMG BULL. 41}{Deposit:: GRANGER, ET AL, 1957, GEOLOGY AND MINERAL RESOURCES OF ELKO COUNTY, NEVADA: NBMG BULL. 54}{Deposit:: HOLMES, 1965, MERCURY IN NEVADA: IN USBM IC 8252}{Production:: USBM UNPUB DATA}
Reporter	Bergquist, Joel R.