Commodities
PrimaryGold, Silver
SecondaryCopper
Commodity typeM
Deposit
Model85: Polymetallic veins
Deposit sizeS
WorkingsUnderground
Ore controlQuartz-Alunite Solfataric Replacement Bodies Following Nw-Trending Fractures Near Sw Margin Of South Mountain Feeder Conduit
Geology
Host rockQuartz Latite · Quartz Latite Of South Mountain;Summitville Andesite
Associated rockQuartz Latite,Andesite · Quartz Latite Of South Mountain;Summitville Andesite
StructureSan Juan Volcanic Field, Platoro Caldera, Summitville Caldera, Summitville Fault, South Mountain Dome
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationQaurtz-Alunite Solfataric Alteration
Economic & production
Development statusPast Producer
First production1880
Discovery year1872
Identification
Deposit ID10014035
MRDS IDD010649
RegionNA
Data scoreB
Coordinates37.42696, -106.60171
References
PATTON, H.B., 1917, GEOLOGY AND ORE DEPOSITS OF THE PLATORO-SUMMITVILLE MINING DISTRICT, COLORADO: CGS BULL. 13.STEVEN, T.A., AND RATTE, J.C., 1960, GEOLOGY AND ORE DEPOSITS OF THESUMMITVILLE DISTRICT. SAN JUAN MOUNTAINS. COLORADO: USGS PROF. PAPER 343LIPMAN, P.W., 1974, GEOLOGIC MAP OF THE PLATORO CALDERA AREA, SOUTHEASTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-828.CARPER, A.F., 1914, GEOLOGY AND ORE DEPOSITS OF SOUTH MOUNTAIN, RIO GRANDE COUNTY, COLORADO: COLORADO SCHOOL OF MINES THESIS T-464.