Mine detail: Eureka District-Nevada

Previously called 'PintoRichmond Secret CanyonEureka ConsolidatedRuby HillSilveradoSpring Valley'

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Location

Lat / long:

39.41433, -116.0587

Resource(M)

Primary:	Gold
Secondary:	Silver
Tertiary:	Iron, Molybdenum, Copper
Discovery year:	1864

Production

Operation type:	Unknown
Deposit type:	REPLACEMENT: CONTACT METASOMATIC BODIES IRREGULAR, BEDDED, FAULT ZONE, DISSEM.
Production size:	Large
Development status:	Producer
First production started:	1869

Geology

Structure:	COMPLEX FAULTING: IN LIMESTONE AND DOLOMITE MAJOR STRUCTURES ALL PRE-ORE, COMPOUND THRUST FAULTS, PERHAPS IN FRONT OF DEEP ROBERTS MT THRUST TO W; LATER BLOCK FAULTING
Alteration processes:	OXIDE TO 1000 FEET

References

MRDS	W002902
DEP	60001658
Reference	{Deposit:: HAGUE, A, 1892, GEOL. OF THE EUREKA DIST., NEVADA: USGS MON. 20, 419 P.}{Deposit:: NOLAN, T. B, 1962, THE EUREKA MINING DISTRICT; USGS PROF. PAPER 406, 78 P.}{Deposit:: KOSCHMANN, A H AND BERGENDAHL, M H, 1968, PRINCIPAL GOLD-PRODUCING DISTRICTS OF THE U.S.: USGS PROF. PAPER 610, P. 179}{Deposit:: CURTIS, J S, 1884, SILVER-LEAD DEP. EUREKA, NEV.; USGS MON. 7, 200 P.}{Deposit:: MOLINELLI, LAMBERT, 1879, EUREKA AND ITS RESOURCES; EUREKA, NEV., MOLINELLI, LAMBERT, AND CO.}{Deposit:: SHARP, WILLIAM, 1947, THE STORY OF EUREKA: AM. INST. MINING ENG. TECH. PUB. 2196, 12 P.}{Deposit:: LINCOLN, F C, 1923, MINING DISTRICTS AND MINERAL DEP. OF NEV: RENO, NEVADA NEWSLETTER PUB. CO. P. 88-93.}{Deposit:: ROBERTS, R AND OTHERS, 1971 GOLD BEARING DEPOSITS IN NE NEV AND SW IDAHO: ECON GEOL VOL 66 NO 1 P. 14-33}