Commodities
PrimaryCopper
SecondarySilver, Gold
Commodity typeM
Deposit
Deposit typeReplacement
Model59: Skarn Cu
Deposit sizeS
WorkingsSurface/Underground
Orebody formIRREGULAR SHOOTS AND PODS
Ore controlShear Zone Provided Plumbing For Replacement Of Brecciated Limestone
Materials
Ore mineralsChalcopyrite, Chrysocolla, Pyrite
GangueCalcite, Epidote
Geology
Host rockLimestone · Rhyolite To Darite Volcanics;Qtz. Monzonite Porphyry
Associated rockMonzonite,Diorite · Andesite To Dacite Tuff Breccia;Rhyolite Tuff, Siltstone, Lmst
StructureYerington Batholith
Tectonic settingComplex Basin And Range Faulting
AlterationShallow Oxidation, Albitic, Sericitic, Propylitic
Economic & production
Development statusPast Producer
Identification
Deposit ID10098378
MRDS IDM035870
Alternate namesDyer Mine
RegionNA
Data scoreB
Coordinates38.93741, -119.2307
References
KNOPF, A., 1918 , GEOLOGY AND ORE DEPOSITS OF THE YERINGTON DISTRICT, NEV., USGS PROF. PAPER 117 .EINAUDI, M. T., 1977 , PETROSENISIS OF THE COPPER BEARING SKARN OF THE MASON VALLEY MINE, YERINGTON, NEV., ECON. GEOL. VOL. 72 NO. 5 .