Description
Pear Peterson And F.H. Brandt (Claimants)
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)
AlterationQuartz-Alunite Solfataric Alteration
Economic & production
Development statusPast Producer
Discovery year1873
Identification
Deposit ID10087898
MRDS IDD010646
Alternate namesClaims: Little Annie, MS 63, Del Norte, MS 64, Margaretta, MS 65
RegionNA
Data scoreB
Coordinates37.42419, -106.60004
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 THE SUMMITVILLE 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.BLM MINERAL SURVEYS 63, 64, 65