Description
George Blackman
Commodities
PrimaryZinc
SecondaryLead, Gold, Silver
TertiaryCopper, Tungsten
Commodity typeM
Deposit
Deposit sizeY
WorkingsSurface/Underground
Orebody formLENSES, PODS, LENTICULAR
Ore controlBrecciated, Faults, Shear Zone
Materials
Ore mineralsChalcopyrite, Galena, Sphalerite
GangueEpidote, Garnet, Pyrite, Pyrrhotite
Geology
Host rockSkarn (Tactite),Argillite,Limestone · Milligen Formation-Argillite, Limestone;Tactite
Associated rockQuartz Monzonite · White Cloud Stock-Quartz Monzonite
Economic & production
Development statusPast Producer
First production1954
Discovery year1883
Identification
Deposit ID10070959
MRDS IDW014119
Alternate namesDeertrail Mine, Blackman Mine
RegionNA
Data scoreB
Coordinates44.04879, -114.65562
References
Tschanz, C. M., And Others, 1974, Mineral Resources Of The Eastern Part Of The Sawtooth National Recreation Area, Custer And Blaine Counties, Idaho: USGS Open - File Rept., 648 P1955 Direxpl Dmea, Tschanz, USGS Open - File Rept.Ross, C. P. Geology And Ore Deposits Of The Bayhorse Region, Custer County, Idaho. U. S. Geol. Survey Bull. 877, 1937, Pp. 111, 156, & 161.Vannoy & Others, 1986, USGS Bull.1545e, P.317, Pl.3, No.109