Mine detail: Hermada Antimony Mine

Previously called ''

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Location

Lat / long:

43.85958, -115.34454

Resource(M)

Primary:	Antimony
Ore:	Antimony, Cervantite, Kermesite, Stibiconite, Stibnite
Gangue:	Limonite, Pyrite, Quartz, Sericite
Orebody form:	IRREGULAR
Discovery year:	1947

Production

Operation type:	Surface-Underground
Deposit type:	Vein
Production size:	Small
Development status:	Past Producer
First production started:	1947

Geology

Host type:	Granite
Associated rock:	Idaho Batholith-Granite;Intrusive Dikes
Associated type:	Plutonic Rock,Granite
Structure:	Nnw Hermada Fault And Fissure Zone
Alteration processes:	Sericitization, Silicification, Pyritization, Calcification, Chloritization, Hydrothermal Alteration

References

MRDS	W013806
MAS	160390044
DEP	10070739
Reference	{Deposit:: Popoff, C. C., 1953, Hermada Antimony Deposit, Elmore County, Idaho: USBM Rept. Inv. 4950, 21 P.}{Deposit:: Idaho Dept. Of Labor And Industrial Services, July 1974 - June 1975, First Annual Rept. Addendum, 95 P.}{Deposit:: Hubbard, C.R., 1955 , A Survey Of The Mineral Resources Of Idaho: Idaho Bureau Of Mines And Geology Pamphlet 105 , 56 P.}{Deposit:: 1948 Geolmap USBM Rept. Inv. 4950}{Deposit:: 1955 Compile Idaho Bureau Of Mines And Geology Pamphlet 105}{Deposit:: 1975 Compile Idaho Dept. Labor And Ind. Serv., 1st Ann. Rept. Addendum}{Production:: Popoff, C. C., 1953, USBM Rept. Inv. 4950}
Reporter	Everett, Sandra E. (Miller, Pat), Ridenour, James