Commodities
PrimaryCopper
SecondarySilver
TertiaryGypsum-Anhydrite, Gold
Commodity typeB
Deposit
Model59: Skarn Cu
Deposit sizeM
WorkingsSurface/Underground
Orebody formLENS, LARGE SKARN
Ore controlAbove 200 Ft Level In Shear Zone
Materials
Ore mineralsChalcocite, Chalcopyrite, Chrysocolla, Covellite
GangueGarnet
Geology
Host rockLimestone · Rhyolite To Dacite Volcanics;Qtz. Monzonite Porphyry
Associated rockRhyolite · Yerington Batholith;Yerington Batholith
StructureYerington Batholith, Fault Trending N 50 E Dipping 70 Nw
Tectonic settingComplex Basin And Range Faulting
AlterationOxidation, Albitic, Sericitic, Propylitic, Weak Potassic
Economic & production
Development statusPast Producer
Production years1916-1919
Identification
Deposit ID10037696
MRDS IDM035872
Alternate namesNBMG # 4409
RegionNA
Data scoreB
Coordinates38.94713, -119.27765
References
KNOPF, A., 1918 , GEOLOGY AND ORE DEPOSITS OF THE YERINGTON DISTRICT, NEV., USGS PROF. PAPER 114 .EINAUDI, M. T., 1977, PETROGENISIS OF THE COPPER - BEARING SKARN AT THE MASON VALLEY MINE, YERINGTON DIST., NEV., ECON GEOL. VOL. 72 , NO. 5 .MORRE,J.S.,1969, GEOLOGY AND MINERAL DEPOSITS OF LYON, DOUGLAS, AND ORMSBY COUNTIES, NEVADA; NBMG BULL 75.TELLURIDE CLAIMS,YERINGTON MINING DISTRICT,LYON COUNTY, QUADE VISIT SITE 7-11-89,NBMG UNPUBLISHED MINING DISTRICT FILES (TINGLEY FILES).