Mine detail: Costa Prospect

Previously called 'Low ProspectLouMurphy LeaseRed Cap, Finger Rock?'

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Location

Lat / long:

38.59686, -117.8415

Resource(M)

Primary:	Gold, Mercury
Ore:	Cinnabar
Gangue:	Pyrite
Orebody form:	LENSES
Discovery year:	1939

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	TO 1940

Geology

Host type:	Rhyolite,Andesite
Structure:	Fault
Alteration processes:	Silicification Of Rhyolite, Argillization Of Andesite

References

MRDS	M055331
DEP	10040520
Reference	{Deposit:: BAILEY, E. H., U S GEOLOGICAL SURVEY, PERSONAL FILES}{Deposit:: BAILEY AND PHOENIX, 1944, QUICKSILVER DEPOSITS IN NEVADA: NBMG BULL. 41}{Deposit:: ROSS, 1961, GEOLOGY AND MINERAL DEPOSITS OF MINERAL COUNTY, NEVADA: NBMG BULL. 58}{Deposit:: HOLMES, G.W., JR., 1965, MERCURY IN NEVADA: USBM IC 8252}{Production:: USBM UNPUB DATA}
Reporter	Bergquist, Joel R., Wong, George (Roberts, Ralph)