Eureka District Deposits

Eureka County, Nevada, United States

ZincSilverGoldLeadCopperMolybdenumTelluriumIron

⌖ Show on map USGS source ↗

Commodities

PrimaryZinc, Silver, Gold, Lead, Copper

TertiaryMolybdenum, Tellurium, Iron

Commodity typeM

Deposit

Deposit typePluton-related; replacement, contact metasomatic, bedded, fault zone

Model72: Polymetallic replacement

Deposit sizeL

Orebody formtabular, blanket, irregular, pipe-like, pods, beds

Ore controlRuby Hill Thrust Fault

Materials

Ore mineralsGalena, Pyrite, Sphalerite, Arsenopyrite, Plumbojarosite, Wulfenite, Azurite, Malachite, Tetrahedrite, Scorodite, Anglesite, Cerussite, Smithsonite, Bindheimite, Mimetite, Hemimorphite, Gold, Cerargyrite, Molybdenite

GangueQuartz, Halloysite, Goethite, Calcite, Dolomite, Aragonite, Siderite, Hematite, Pyrite, Limonite

Geology

Host rockLimestone,Dolomite · "Eldorado Fm", "Hamburg Dolomite", "Dunderberg Shale", "Geddes Limestone"

Associated rockAndesite,Rhyolite,Basalt,Porphyry,Granite

Structurecompound 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

AlterationOre is oxidized to 1000 feet depth.

Economic & production

Development statusProducer

First production1864

Last production1952

Discovery year1864

Identification

Deposit ID10310481

MRDS IDK003373

Alternate namesTL Shaft, Silver Conner Shaft, Ruby Hill Tunnel, Richmond-Eureka Mine, Locan Shaft, Lawton Shaft, KK Consolidated, Jackson Mine, Geddes & Bertrand Mine, Eureka Tunnel, Eureka Consolidated, Dunderberg, Atlas Shaft, Diamond Mine, Consolidated Eureka Mine, Richmond Secret Canyon, Pinto, Silverado, Spring Valley

RegionNA

Data scoreA

Coordinates39.49803, -116.00089

References

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.Nolan, T. B, 1962, The Eureka Mining District; USGS Prof. Paper 406, 78 p.Koschmann, A H and Bergendahl, M H, 1968, Principal Gold-Producing Districts of the U.S.,: USGS Prof. Paper 610, p. 179Curtis, J S, 1884, Silver-Lead Deposits, Eureka, Nev.; USGSMon. 7, 200 p.Molinelli, Lambert, 1879, Eureka and its Resources; Eureka, Nev., Molinelli, Lambert, and co.Sharp, William, 1947, The Story of Eureka: Am. Inst. Mining Eng. Tech. Pub. 2196, 12 p.Lincoln, F C, 1923, Mining Districts and Mineral Dep. of Nev: Reno, Nevada Newsletter Pub. Co. p. 88-93.Roberts, R. and others, 1971 Gold Bearing Deposits in NE Nev and SW Idaho: Econ Geol vol. 66, no 1 p. 14-33.Nolan, T. B., 1978, The Eureka Mining District, Nevada; NBMG Report No.32, p.51-54.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.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.