Montana · Madison County
Past Producer

Emma Mine

Madison County, Montana, United States
SilverGoldLeadCopperZincArsenic
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver, Gold, Lead
SecondaryCopper, Zinc, Arsenic
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
WorkingsUnderground
Ore controlFissure Zone
Materials
Ore mineralsChalcopyrite, Galena, Silver, Sphalerite
GangueLimonite, Quartz
Geology
Host rockSchist · Pre Belt
Associated rockGranite
StructureBoulder Batholith, Fissures, Pegmatite, Andesite And Dolerite Dikes.
AlterationOxidation
Economic & production
Development statusPast Producer
First production1901
Identification
Deposit ID10019741
MRDS IDDC11341
RegionNA
Data scoreB
Coordinates45.59823, -112.51699
References
REYNER, M.L., 1950, DIRECTORY OF MINING PROPERTIES, 1949: MT. BUREAU OF MINES AND GEOL., MEMOIR 31, P. 64.YOUNG, F., CROWLEY, F.A., AND SAHINEN, U.M., 1962, MARKETING PROBLEMS-LEAD AND ZINC MINING: MONT. BUREAU OF MINES AND GEOL., BULLETIN 30, P. 29.MBMG MEM 19, P. 42.CONSV. DIV. COMP. DATE, 03-31-19621950 GEOLMAP MBMG MEMOIR 1MONTANA DEPARTMENT OF STATE LANDS. ABANDONED HARDROCK MINES PRIORITY SITES, SUMMARY REPORT, MARCH 1994, P. 5-164. [copied from deleted record 10124769]