Commodities
PrimarySilver, Silica
SecondaryGold
Commodity typeM
Deposit
Deposit typevein and fissure replacement
Model150: Epithermal vein, Comstock
Deposit sizeS
Orebody formSTREAKS
Materials
Ore mineralsArgentite, Stephanite, Gold
GangueQuartz
Geology
Host rockAndesite,Metasedimentary Rock
Associated rockFelsic Volcanic Rock
StructureE-W TRENDING FAULTS; NNW-TRENDING FAULTS
AlterationSILICIFICATION
Economic & production
Development statusProducer
Production years1960s-1977
First production1960
Last production1977
Identification
Deposit ID10310515
MRDS IDM035909
RegionNA
Data scoreB
Coordinates38.83519, -119.62321
References
Moore, J. G., 1969 , Geology and Mineral Deposits of Lyon, Douglas and Ormsby Counties, Nevada, Nevada Bureau of Mines and Geology Bulletin75 .Bray, J. C., 1917 , NBMG Open File Report (Unpublished)Division of Mine Inspection, Dec, 1983, Directory of Nevada Mine Operations Active During Calendar Year 1983.Nevada State Journal, 1/28/82, "Gold Miners Unveil Expansion".Quade, J., Garside, L.J., NBMG Sample #4447 Site Visit, July 13, 1989.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.