Commodities
PrimarySilver
SecondaryLead, Zinc
Commodity typeM
Deposit
Deposit typeVein
Model82: Epithermal veins
Deposit sizeS
WorkingsUnderground
Ore controlFault; Contact Between Trachyte And Gneiss
Materials
Ore mineralsGalena, Sphalerite
GangueQuartz, Clay
Geology
Associated rockTrachyte · Game Ridge Trachyte;Rosita Andesite; Tuff Underlying Trachyte
StructureRosita Volcanic Center, Wet Mtns, California Fault
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationStrong Argillization
Economic & production
Development statusPast Producer
Discovery year1895
Identification
Deposit ID10012303
MRDS IDD007857
RegionNA
Data scoreB
Coordinates38.12279, -105.32807
References
CROSS, WHITMAN, 1896,GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 263-403.SHARP, W.M., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081.