Description
Reportedly, Napias Jim, an Indian, led A. J. Leathers, Thomas Murphy, and Eddie Marchand to the silver lode
Commodities
PrimarySilver
TertiaryCopper, Manganese, Iron
Commodity typeM
Deposit
Deposit typepluton-related polymetallic replacement
Model72: Polymetallic replacement
Deposit sizeL
Ore controlOre was localized by carbonate lithology, adn by fracturing and brecciation.
Materials
Ore mineralsSilver, Chlorargyrite, Bromargyrite, Acanthite, Aurorite, Quartz, Pyrite, Iron
GangueCalcite
Geology
Host rockShale,Limestone · upper Hamburg Formation and lower Dunderberg Shale
Associated rockPorphyry,Granodiorite · Seligman Stock and Monte Cristo Stock
StructureThe White Pine Range is a typical N-S-trending Basin and Range fault block composed of a sequence of Paleozoic carbonate and clastic sedimentary rocks intruded by two Cretaceous- age granitic stocks.
AlterationDeposit was oxidized
Economic & production
Development statusPast Producer
Production years1868-1888, 1911?
First production1868
Last production1888
Discovery year1867
Identification
Deposit ID10310457
MRDS IDM233758
Alternate namesNorth Aurora Mine, Pocotillo Mine, Ward Beecher Mine, several old historic workings in area of Treasure City, just south of ruins of Hamilton, Hidden Treasure Mine, Eberhardt Mine, Mammoth Mine
RegionNA
Data scoreB
Coordinates39.2216, -115.48394
References
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.