Commodities
PrimarySilver
Commodity typeM
Deposit
Deposit typeVein
Model82: Epithermal veins
Deposit sizeN
Ore controlMineralized Fissures, Humboldt-Pocahontas Vein, Near Trachyte Dikes
Geology
Host rockAndesite
Associated rockAndesite · Rosita Andesite;Trachyte Of Game Ridge
StructureRosita Volcanic Center, Wet Mtns, Rosita Fault, Humboldt-Pocahontas Vein
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationWeakly Argillized
Economic & production
Development statusPast Producer
Discovery year1882
Identification
Deposit ID10012186
MRDS IDD007656
RegionNA
Data scoreC
Coordinates38.10223, -105.3314
References
CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 263-403EMMONS, S.F., 1896, THE MINES OF CUSTER COUNTY, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 405-472.SHARP, W.M., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAPS I-1081.