Commodities
PrimarySilver, Gold
SecondaryCopper, Lead, Zinc
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formIRREGULAR-LENTICULAR OR PIPE-LIKE
Ore controlNe-Trending, Se Dipping Faults That Cross The Nnw-Trending Main Shear Zones
Materials
Ore mineralsArgentite, Gold, Silver
GangueCalcite, Pyrite, Quartz
Geology
Host rockWelded Tuff,Dacite
Associated rockWelded Tuff,Dacite · Lowland Creek Volcanics
StructureBoulder Batholith, Brecciated Pipe-Like Zones At Intersections Of Nw And Ne-Trending Faults.
Economic & production
Development statusPast Producer
First production1885
Discovery year1875
Identification
Deposit ID10042798
MRDS IDM060833
RegionNA
Data scoreB
Coordinates46.19768, -112.43533
References
SMEDES, H.W., KLEPPER, M.R., PINCKNEY, D.M., BECRAFT, G.E. AND RUPPEL, E.T., 1962, PRELIMINARY GEOLOGIC MAP OF THE ELK PARK QUADRANGLE JEFFERSON AND SILVER BOW COUNTIES, MONTANA: USGS MIN. INV. FIELD STUDIES MAP MF-246MBMG BULL 16, P. 72.USGS BULL 527, P. 125-27.USGS BULL 842, P. 296-97.MBMG BULL 92, P. 12.1911 GEOLMAP KNOPF, ADOLPH, 1913, USGS BULL. 52USGS BULL 527, P. 126; MBMG BULL 16, P. 101.OME FILE