Idaho · Elmore County
Past Producer

Hermada Antimony Mine

Elmore County, Idaho, United States
Antimony
⌖ Show on mapUSGS source ↗
Commodities
PrimaryAntimony
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
Orebody formIRREGULAR
Ore controlSheared, Fractured, Faulting
Materials
Ore mineralsAntimony, Cervantite, Kermesite, Stibiconite, Stibnite
GangueLimonite, Pyrite, Quartz, Sericite
Geology
Host rockGranite
Associated rockPlutonic Rock,Granite · Idaho Batholith-Granite;Intrusive Dikes
StructureNnw Hermada Fault And Fissure Zone
AlterationSericitization, Silicification, Pyritization, Calcification, Chloritization, Hydrothermal Alteration
Economic & production
Development statusPast Producer
First production1947
Discovery year1947
Identification
Deposit ID10070739
MRDS IDW013806
RegionNA
Data scoreB
Coordinates43.85958, -115.34454
References
Popoff, C. C., 1953, Hermada Antimony Deposit, Elmore County, Idaho: USBM Rept. Inv. 4950, 21 P.Idaho Dept. Of Labor And Industrial Services, July 1974 - June 1975, First Annual Rept. Addendum, 95 P.Hubbard, C.R., 1955 , A Survey Of The Mineral Resources Of Idaho: Idaho Bureau Of Mines And Geology Pamphlet 105 , 56 P.1948 Geolmap USBM Rept. Inv. 49501955 Compile Idaho Bureau Of Mines And Geology Pamphlet 1051975 Compile Idaho Dept. Labor And Ind. Serv., 1st Ann. Rept. AddendumPopoff, C. C., 1953, USBM Rept. Inv. 4950