Mine detail: Eureka District Deposits

Previously called 'Silver Conner ShaftRuby Hill TunnelRichmond-Eureka MineLocan ShaftLawton ShaftKK ConsolidatedJackson MineGeddes & Bertrand MineEureka TunnelEureka ConsolidatedDunderbergAtlas ShaftDiamond MineConsolidated Eureka MineRichmond Secret CanyonPintoSilveradoSpring ValleyTL Shaft'

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Location

Lat / long:

39.49803, -116.00089

Resource(M)

Primary:	Zinc, Silver, Gold, Lead, Copper
Tertiary:	Molybdenum, Tellurium, Iron
Ore:	Galena, Pyrite, Sphalerite, Arsenopyrite, Plumbojarosite, Wulfenite, Azurite, Malachite, Tetrahedrite, Scorodite, Anglesite, Cerussite, Smithsonite, Bindheimite, Mimetite, Hemimorphite, Gold, Cerargyrite, Molybdenite
Gangue:	Quartz, Halloysite, Goethite, Calcite, Dolomite, Aragonite, Siderite, Hematite, Pyrite, Limonite
Orebody form:	tabular, blanket, irregular, pipe-like, pods, beds
Discovery year:	1864

Production

Operation type:	Underground
Deposit type:	Pluton-related; replacement, contact metasomatic, bedded, fault zone
Production size:	Large
Development status:	Producer
First production started:	1864
Last production ended:	1952

Geology

Host rock:	Eldorado Fm, Hamburg Dolomite, Dunderberg Shale, Geddes Limestone
Host type:	Limestone,Dolomite
Associated type:	Andesite,Rhyolite,Basalt,Porphyry,Granite
Structure:	compound thrust faults, perhaps in front of deep Roberts Mountains Thrust to west; later block faulting, Complex faulting in limestone and dolomite, major structures are all pre-ore
Alteration processes:	Ore is oxidized to 1000 feet depth.

References

MRDS	K003373
DEP	10310481
Reference	{Deposit:: McKnight, E.T., Newman, W.L., and Heyl, A.V., Jr. (compilers), 1962, Zinc in the United States, exclusive of Alaska and Hawaii: USGS Mineral Inventory Resource Map MR-19, Separate Text, 18 p.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 Deposits, Eureka, Nev.; USGSMon. 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.}{Deposit:: Nolan, T. B., 1978, The Eureka Mining District, Nevada; NBMG Report No.32, p.51-54.}{Deposit:: Long, K.R., Deyoung, J.H., Jr., and Ludington, S.D., 1998, Database of Significant Deposits of Gold, Silver, Copper, Lead, and Zinc in the United States; part A, database description and analysis; part b, digital database: U.S. Geological Survey Open-File Report 98-206, 33 p., one 3.5 inch diskette.}{Deposit:: Campbell, Michael D; Foss, Ted H, 1988, The rediscovery of precious metals in the Eureka mining district, Nevada and associated economic analysis; in Bulk mineable precious metal deposits of the Western United States; symposium proceedings, Schafer, Robert W; Cooper, James J; Vikre, Peter G., eds.}
Reporter	LaPointe, D.D., Schruben, Paul G.