Commodities
PrimaryGold
SecondarySilver
Commodity typeM
Deposit
Deposit typeEpithermal hot spring system.
Model150: Epithermal vein, Comstock
Deposit sizeS
Orebody formTabular
Ore controlgranodiorite contact, intrusive veins, fractures
Materials
Ore mineralsGold
GangueQuartz
Geology
Host rockSedimentary Rock · Humboldt Formation
Associated rockGranodiorite
StructureRegular sets of joints, fractures, and faults
AlterationSilicification generally accompanies mineralization.
Economic & production
Development statusProspect
Production years1913-1930; 1952-1957
First production1913
Discovery year1885
Identification
Deposit ID10310571
RegionNA
Data scoreB
Coordinates41.78047, -114.77728
References
Smith, R.M. (1976) Mineral Resources of Elko Co., Nev: USGS OFR 76-56, P 39-45Schrader, F.C. (1935) The Contact Mining District, Nevada: USGS Bull. 847-A.Hope, R.A. & Coats, R.R. (1976) Prelim. Geologic Map of Elko Co., Nev: USGS OFR 76-779Granger, A.E., et. al. (1957) Geology and Mineral Resources of Elko Co., Nevada: Nevada Bur. Mines Bull. 54.LaPointe and others, 1991Long, 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.Davis and Tingley, 1999; Limbach, 1991, 1993; Tingley, 1998; United States Bureau of Land Management, 1978l; United States Geological Survey, 1968j, 1989i