Commodities
PrimarySilver, Lead
TertiaryIron, Manganese
Commodity typeM
Deposit
Model82: Epithermal veins
Deposit sizeS
WorkingsSurface/Underground
Orebody formPIPE
Ore controlJointing, Striking Nw; Mineralized Fissures
Materials
Ore mineralsCerargyrite, Galena, Goethite, Jarosite
GangueQuartz, Talc
Geology
Host rockRhyolite · Silver Cliff Rhyolite Unit 2
StructureSilver Cliff Volcanic Center, Wet Mtns, Wet Mtn Valley, Silver Cliff Graben, Fault; Geyser Vent, Breccia Pipe
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationWeak Argillization
Economic & production
Development statusPast Producer
First production1880
Last production1911
Discovery year1878
Identification
Deposit ID10012429
MRDS IDD008052
RegionNA
Data scoreB
Coordinates38.13918, -105.4389
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.N., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081, 1:24,000.FIELDMAN, D.N. AND CROWLEY, F.P., 1980, SILVER DEPOSITS IN THE SOUTHERN PORTION OF THE SILVER CLIFF CALDERA, IN SILVER CLIFF VOLCANIC CENTER AND TALLAHASSEE CREEK URANIUM DEPOSITS: DENVER REGIONAL EXPLORATION GEOLOGISTS GUIDEBOOK, P. 1-14