Nevada · Eureka County
Producer

South Eureka Property

Eureka County, Nevada, United States
GoldZincSilverLeadArsenicAntimony
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold
SecondaryZinc, Silver, Lead
TertiaryArsenic, Antimony
Commodity typeM
Deposit
Deposit typedisseminated, stratabound, sediment-hosted gold
Model75: Distal disseminated Ag-Au173: Sediment-hosted Au
Deposit sizeM
Orebody formtabular
Ore controlFractured permeable zones and capping shale have localized ore formation, as well as the intersection of northeast-striking fissures and faults with the upper Hamburg Dolomite.
Materials
Ore mineralsGold, Cerussite, Smithsonite
GangueScorodite, Limonite, Quartz, Calcite, Dolomite
Geology
Host rockDolomite · "Hamburg Dolomite", "Secret Canyon Shale", "Dunderberg Shale"
Associated rockAndesite,Rhyodacite,Shale · Ratto Spring Rhyodacite
StructureThe deposit is situated at the southern end of Dunderberg-Windfall belt., northeast-striking fissures
AlterationDolomite has been "sanded" due to intergranular corrosion.
Economic & production
Development statusProducer
Production years1908-1940?, 1975-1989
First production1908
Last production1989
Discovery year1904
Identification
Deposit ID10310482
MRDS IDM232576
Alternate namesWindfall Venture, New Windfall Shaft, Windfall-Rustler Mine, Rustler (adjoins the property to the south), Eureka-Windfall-Rustler Mine, North Paroni pit, South Paroni pit, Lookout Pit, Lookout Mountain, Norse-Windfall Mine, Western Windfall Open Pit Mine
RegionNA
Data scoreB
Coordinates39.44993, -115.97784
References
Roberts R.J.,et al., 1967,Geology and Mineral Resources of Eureka Co., Nev; Nev. Bureau of Mines Bull 64USBM (Ely) Mils No.111, Reference No 3201100142Nolan T.B., 1962,The Eureka Mining District, Nev., USGS PP.406Vanderberg W.O., 1938, Reconnaissance of Mining Districts in Eureka Co., USBM IC.7022.NBMG Spec Pub. MI-1980 through NBMG MI-84; NBMG MI-86 through MI-95, NBMG MI-99, NBMG MI-00.NBMG Map 91, 1st, 2nd, 3rdBentz, J.and Garside, L. J., 1981, Field Examination Report, Aug 31, 1981.Division of Mine Inspection, 1983, Directory of Nevada Mine Operations active During Calendar Year 1983.Couch, B. F. and Carpenter, J., 1943, NBMG Bull 37, no. 4, Ser. 38, p. 64.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 disketteWilson, W.L., 1986, Geology of the Eureka-Windfall and Rustler gold deposits, Eureka County, Nevada; in Sediment-Hosted Precious Metal Deposits of Northern Nevada, NBMG Report 40, p. 81-84.BLM site remediation website: http://www.nv.blm.gov/AML/Future%20Projects/NorseWindfall/Norse-Windfall%20Mill.htm.http://www.staccatogold.com/s/SouthEureka.asp