Commodities
PrimaryGold, Silver
Commodity typeM
Deposit
Deposit typePolymetallic veins
Model85: Polymetallic veins
Deposit sizeS
WorkingsUnderground
Orebody formPINCH AND SWELL
Ore controlOre Mineralization Associated With Fissure Filling And Along Intrusive Contact
Geology
Host rockLimestone · Helena Formation
Associated rockDiorite,Granodiorite · "Belmont Porphyry", "Marysville Stock"
StructureBoulder Batholith, Prickly Pear Dome, Marysville Stock, Post-Mineral Downthrown Fault Blocks
Tectonic settingCordilleran Miogeosyncline
Economic & production
Development statusPast Producer
First production1878
Discovery year1872
Identification
Deposit ID10071383
MRDS IDW014728
RegionNA
Data scoreB
Coordinates46.73046, -112.357
References
USGS BULL 527, P. 74-5.USGS BULL 842, P. 63, PL. 5.AM INST MINING METALL ENGINEERS BULL 92, P. 2113-16.MCDERMOTT, 1914, A. I. M. M. E. BULL. 92.; MBMG MEM. 31, 1950