Mine detail: Castle Rock Prospect

Previously called 'Howard Ground AuWest Side CinnabarNorth End Cinnabar'

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Location

Lat / long:

38.08549, -117.74732

Resource(M)

Primary:	Mercury
Tertiary:	Antimony
Ore:	Cinnabar, Stibnite
Gangue:	Chalcedony, Jarosite, Pyrite
Orebody form:	TABULAR
Discovery year:	1928

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1928

Geology

Host type:	Andesite
Structure:	Wnw Fault
Alteration processes:	Silicification

References

MRDS	M055246
DEP	10040454
Reference	{Deposit:: BAILEY, E. H., U. S. GEOLOGICAL SURVEY, PERSONAL FILES}{Deposit:: BAILEY AND PHOENIX, 1944, QUICKSILVER DEPOSITS IN NEVADA: NBMG. BULL. 41}{Deposit:: LAWRENCE, 1963, ANTIMONY DEPOSITS OF NEVADA: NBMG BULL. 61}
Reporter	Gassaway, Judith S., Wong, George (Roberts, Ralph)