Commodities
PrimaryLead, Zinc, Gold, Silver
TertiaryCopper, Arsenic, Iron, Manganese
Commodity typeM
Deposit
Model72: Polymetallic replacement
Deposit sizeS
Orebody formTABULAR
Ore controlPlane Of The 2g Fault.
Materials
Ore mineralsChalcopyrite, Galena, Pyrrhotite, Sphalerite
Geology
Host rockLimestone · Hales Limestone
Associated rockRhyodacite
StructureThe 2g Fault, Uncle Sam Fault, Dimick, Fault, And Gilmore Fault.Post-Mineral Faulting With Considerable Offset Of Ore Zones.
AlterationOxidation Of Ore Down To The 710 Ft Level.Pervasive Sericitization,Pyritization, And Calcite Replacement Of Host Rock And Silicification Of Limestone Adjacent To Ore. Also Some Propylitization.
Economic & production
Development statusProducer
First production1872
Discovery year1869
Identification
Deposit ID10044417
MRDS IDM231833
Alternate names2g Shaft, Hales Shaft
RegionNA
Data scoreB
Coordinates38.36855, -116.40312
References
FERGUSON, H.G., 1933, GEOLOGY OF THE TYBO DISTRICT: NEV. BUR. OF MINES, BULL. 20, P. 42-48, 52-56.QUINLIVAN, W.D. AND ROGERS, C.L., 1974, GEOLOGIC MAP OF THE TYBO QUAD: USGS MAP I-821KRAL, V.E., 1951, MINERAL RESOURCES OF NYE CO.: NEV. BUR. OF MINES AND GEOL., BULL. 50, P. 192THE MINING RECORD, JULY 8, 1981.STATE INSPECTOR OF MINES, 1982, DIRECTORY OF MINING OPERATIONS ACTIVE IN NEVADA DURING CALENDAR YEAR 1981.FERGUSON, 1933, P. 43-44.