Nevada · Elko County
Past Producer

Tecoma District Deposits

Elko County, Nevada, United States
LeadZincSilverGoldCopperMolybdenum
⌖ Show on mapUSGS source ↗
Commodities
PrimaryLead
SecondaryZinc, Silver, Gold, Copper
TertiaryMolybdenum
Commodity typeM
Deposit
Deposit typereplacement
Model72: Polymetallic replacement
Deposit sizeS
Orebody formroughly tabular
Ore controlThe deposit appears to have formed along a brecciated fracture zone occurring at the crest of an anticline
Materials
Ore mineralsGalena, Anglesite, Cerussite, Wulfenite, Clay, Barite, Quartz
GangueCalcite
Geology
Host rockLimestone
Associated rockGranite,Porphyry
StructureNumerous faults cut the host rocks in the deposit area.
AlterationHost rocks are silicified
Economic & production
Development statusPast Producer
First production1951
Discovery year1906
Identification
Deposit ID10310535
Alternate namesJackson Mines, Bullock, Jackson Group, All-Star, Morning Star, Evening Star, North Star
RegionNA
Data scoreB
Coordinates41.44019, -114.07143
References
Granger, A.E., et al, 1957, Geology and mineral resources of Elko County, Nevada, NBMG Bull 54.Smith, R.M., Mineral Resources of Elko County, Nevada, USGS Open File Report, 1976-56Hill, James M., 1916, Notes on some Mining Districts in Eastern Nevada, USGS Bull 648laPointe and others, 1991, NBMG Bull 106Douglas, I., 1990, Geology of the Tecoma disseminated gold-silver deposit, in Shaddrick, D.R., Kizis, J.A., Jr., and Hunsaker, E.L., III, eds., Geology and ore deposits of the Great Basin; a Symposium: Reno, Geological Society of Nevada, p. 175-176.Long, K.R., DeYoung, J.H., Jr., and Ludington, S.D., 1998, Significant deposits of gold, silver, copper, lead, and zinc in the United States: U.S. Geological Survey Open-File Report 90-206A, 33 p.; 98-206B. one 3.5 inch diskette.Ian Douglas, 1984, Geology and gold-silver mineralization of the Tecoma District, Elko County, Nevada and Box Elder County, Utah, MS Thesis, Stanford Univ.Tingley, J. V., 1980, unpublished field notes on file, NMBG