Commodities
PrimarySilver
Commodity typeM
Deposit
Deposit typeVein
Model82: Epithermal veins
Deposit sizeN
Ore controlMineralized Fissures
Geology
Host rockAndesite
Associated rockAndesite · Rosita Andesite;Game Ridge Trachyte
StructureRosita Volcanic Center, Wet Mtns, Small Faults, Trachyte Dikes
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationStrong Argillization
Economic & production
Development statusProspect
Discovery year1882
Identification
Deposit ID10012194
MRDS IDD007666
Alternate namesConcord Hill
RegionNA
Data scoreB
Coordinates38.11084, -105.3564
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 MAPS I-1081.SIEMS, P.L., 1968, VOLCANIC GEOLOGY OF THE ROSITA HILLS AND SILVER CLIFF DISTRICT, CUSTER COUNTY, COLORADO: COLORADO SCHOOL MINES, D. SC. THESIS, T1042, 222 P.Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.