Commodities
PrimaryGold, Silver
TertiaryCopper, Lead
Commodity typeM
Deposit
Deposit typeVein
Model85: Polymetallic veins
Deposit sizeS
WorkingsUnderground
Ore controlMineralization Localized By Hydrothermal Activity Associated With Emplacement Of Alum Creek Porphyry
Materials
Ore mineralsGalena, Petzite, Pyrite, Tetrahedrite
GangueQuartz
Geology
Host rockMonzonite · Intrusive Rocks--Monzonite (Alamosa River Stock);Intrusive Rocks--Monzonite Porphyry (Alum Creek Porphyry)
Associated rockMonzonite · Intrusive Rocks--Monzonite (Alamosa River Stock);Intrusive Rocks--Monzonite Porphyry (Alum Creek Porphyry)
StructureSan Juan Volcanic Field, Platoro Caldera, Summitville Caldera, Alamosa River Stock, Summitville Fault, Platoro Fault Zone
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
Last production1938
Identification
Deposit ID10087896
MRDS IDD010639
Alternate namesPatented Claims: Eurydice, MS 7760, Orpheus, MS 7760, Louisa, MS 7760, No. 10, MS 7000
RegionNA
Data scoreB
Coordinates37.38335, -106.56366
References
PATTON, H.B., 1917, GEOLOGY AND ORE DEPOSITS OF THE PLATORO-SUMMITVILLE MINING DISTRICT, COLORADO: CGS BULL. 13.LIPMAN, P.W., 1974, GEOLOGIC MAP OF THE PLATORO CALDERA AREA, SOUTHEASTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-828.CALKIN, W.S., 1967, GEOLOGY, ALTERATION, AND MINERALIZATION OF THE ALUM CREEK AREA. SAN JUAN VOLCANIC FIELD. COLORADO: COLORADO SCHOOL OF MINES THESIS T-1113.COLORADO DIV. MINES INF. REPT.BLM MINERAL SURVEY MS 7760, 7000