Commodities
PrimarySilver
Commodity typeM
Deposit
Deposit typeVein
Model82: Epithermal veins
Deposit sizeS
Ore controlMineralized Fissures; Nearby Trachyte Dikes
Materials
Ore mineralsChalcopyrite, Galena, Sphalerite, Pyrite
GangueBarite, Quartz
Geology
Host rockTrachyandesite · Bunker Trachyandesite;Game Ridge Trachyte
StructureRosita Volcanic Center, Wet Mtns, Fault To North
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationStrong Argillization
Economic & production
Development statusPast Producer
Discovery year1882
Identification
Deposit ID10012313
MRDS IDD007869
RegionNA
Data scoreB
Coordinates38.11529, -105.35001
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.