Commodities
PrimarySilver
TertiaryIron
Commodity typeM
Deposit
Deposit typeVein
Model82: Epithermal veins
Deposit sizeS
Ore controlTrachyte Contact With Andesite; Twenty-Six Fault Fissure Complex
Materials
Ore mineralsArgentite, Pyrite, Galena, Chalcopyrite, Sphalerite
GangueBarite, Quartz
Geology
Host rockAndesite,Trachyte · Rosita Andesite;Game Ridge Trachyte
StructureRosita Volcanic Center, Wet Mtns, Twenty-Six Fault Runs East-West
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationNo Significant Alteration
Economic & production
Development statusPast Producer
Identification
Deposit ID10012311
MRDS IDD007867
RegionNA
Data scoreB
Coordinates38.11112, -105.33363
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. 405-472SHARP, W.M., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081.