Commodities
PrimarySilver, Lead
SecondaryCopper
TertiaryIron
Commodity typeM
Deposit
Model82: Epithermal veins
Deposit sizeS
Ore controlHumboldt-Pocahontas Vein
Materials
Ore mineralsChalcopyrite, Galena, Pyrite, Silver, Stephanite, Tetrahedrite
GangueBarite, Calcite, Clay
Geology
Host rockTrachyte,Andesite,Volcanic Breccia (Agglomerate) · Rosita Andesite;Game Ridge Trachyte
StructureRosita Volcanic Center, Wet Mtns, Rosita Fault
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationStrongly Argillized
Economic & production
Development statusPast Producer
Discovery year1874
Identification
Deposit ID10087601
MRDS IDD008066
RegionNA
Data scoreB
Coordinates38.1114, -105.36307
References
SIEMS, P.L., 1967, VOLCANIC AND ECONOMIC GEOLOGY OF THE ROSITA HILLS AND SILVER CLIFF DISTRICTS, CUSTER COUNTY, COLORADO: COLORADO SCHOOL OF MINES, D. SC. THESIS, T1042, 222 P.SHARP, W.N., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081, 1:24,000.