Commodities
PrimarySilver
Commodity typeM
Deposit
Deposit typeVein
Model82: Epithermal veins
Deposit sizeS
Ore controlFaults, Fissures Mineralized
Materials
Ore mineralsGalena, Sphalerite
GangueBarite, Siderite
Geology
Host rockAndesite
Associated rockTrachyte · Rosita Andesite;Game Ridge Trachyte
StructureRosita Volcanic Center, Wet Mtns, Near Twenty-Six Fault
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationWeakly Argillized
Economic & production
Development statusPast Producer
Discovery year1882
Identification
Deposit ID10012184
MRDS IDD007653
RegionNA
Data scoreB
Coordinates38.11279, -105.32946
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.