Commodities
PrimarySilver
TertiaryManganese, Iron
Commodity typeM
Deposit
Model82: Epithermal veins
Deposit sizeS
WorkingsUnderground
Ore controlNear Geyser Vents And Breccia Pipes
Materials
Ore mineralsCerargyrite
GangueClay, Wad
Geology
Host rockVolcanic Rock (Aphanitic),Obsidian,Rhyolite
Associated rockRhyolite · Silver Cliff Rhyolite Unit 2
StructureSilver Cliff Volcanic Center, Wet Mtns, Wet Mtn Valley, Fault
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationWeakly Argillized
Economic & production
Development statusPast Producer
Discovery year1895
Identification
Deposit ID10012298
MRDS IDD007851
RegionNA
Data scoreB
Coordinates38.14223, -105.44557
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.