Commodities
PrimaryGold
SecondarySilver
TertiaryArsenic, Barium-Barite, Phosphorus-Phosphates, Vanadium, Zinc
Commodity typeB
Deposit
Deposit typeveins/shear zones
Model173: Sediment-hosted Au
Deposit sizeN
Orebody formtabular
Ore controlMineralization appears to be controlled by the intersection of vertical shear zones with favorable host rocks.
Materials
Ore mineralsGold
GangueQuartz, Limonite, Hematite, Barite
Geology
Host rockLimestone,Shale,Siltstone,Quartzite · Gold Hill quartzite
Associated rockGranite,Basalt
StructureThrust faults and steeply dipping normal faults cut the rocks in the mineralized area.
AlterationHost rocks are pervasively silicified and clay-altered, especially in structural zones.
Economic & production
Development statusProducer
Identification
Deposit ID10310368
MRDS IDM233567
Alternate namesRalston Valley Claims
RegionNA
Data scoreB
Coordinates38.43826, -117.11786
References
Davis and Tingley, 1999Gardiner, 1990Gardiner and Giancola, 1991Mason and others, 1996Nevada Bureau of Mines and Geology, MI-1991-2004.Quade, 1985aTingley, 1998Tingley and Quade, 1986United States Bureau of Land Management,1978uUnited States Geological Survey, 1987bTingley, J.V., 1981, Report on field examination of July, 1971.Nye County Courthouse Records, 1980NBMG, MI-1993-MI 2004Long, 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.Golconda Resources Ltd. news release, 7/13/98.