Commodities
PrimarySilver
Commodity typeM
Deposit
Deposit typeVein
Model82: Epithermal veins
Deposit sizeS
WorkingsUnderground
Ore controlOn Fault Line That Separates Volcanics From Precambrian Rocks
Geology
Host rockTrachyte
Associated rockTrachyte · Game Ridge Trachyte;Undivided Gneiss; Dark Augite-Gneiss
StructureRosita Volcanic Center, Wet Mtns, On California Fault
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationWeak Argillization
Economic & production
Development statusPast Producer
Discovery year1883
Identification
Deposit ID10101718
MRDS IDD007847
RegionNA
Data scoreB
Coordinates38.11445, -105.32251
References
CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 263-403.EMMONS, 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 MAP I-1081.