Commodities
PrimaryGold
TertiaryCopper, Silver, Zinc, Lead
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formSTRINGERS, VEINLETS, LENTICULAR, EN ECHELON
Ore controlShear Zone
Materials
Ore mineralsChalcopyrite, Galena, Sphalerite
GanguePyrite, Quartz
Geology
Host rockQuartz Monzonite,Diorite,Lamprophyre
Associated rockQuartz Monzonite,Diorite,Lamprophyre · Idaho Batholith-Quartz Monzonite, Granodiorite;Dikes-Lamprophyre
Structure5 Ft Leached Zone; Small Scale Post - Mineral Faulting
AlterationSilicification; Sericitization; Leaching; Kaolinization
Economic & production
Development statusPast Producer
First production1925
Identification
Deposit ID10070827
MRDS IDW013929
Alternate namesProvidence Group, Montana Mine
RegionNA
Data scoreB
Coordinates44.52928, -115.12905
References
Treves, Samuel B., And Melear, John D., 1953, The Geology And Ore Deposits Of The Seafoam Mining District, Custer County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 96, 19 P1953 Geolmap Idaho Bureau Of Mines And Geology Pamphlet 9Bell, R. N., 1919, Twenty-First Annual Report Of The Mining Industry Of Idaho, P. 70-71. (See Also Annual Reports For The Years 1926 And 1927).Treves, S. B., And Melear, J. D., 1953, Idaho Bureau Of Mines And Geol. Pamphlet 96, 19 P.