Commodities
PrimarySilver
SecondaryCopper, Lead, Iron
Commodity typeM
Deposit
Model82: Epithermal veins
Deposit sizeS
WorkingsUnderground
Ore controlBetween Two Fault Planes 15-20 Ft Apart
Materials
Ore mineralsArgentite, Bromyrite, Cerargyrite, Chalcopyrite, Galena, Pyrite
GangueBarite, Fluorite
Geology
Host rockRhyolite
Associated rockRhyolite · Silver Cliff Rhyolite Unit 3
StructureSilver Cliff Volcanic Center, Wet Mtns, Wet Mtn Valley, Silver Cliff Graben, Fault, North-Trending Faults
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationWeakly Argillized
Economic & production
Development statusPast Producer
Discovery year1885
Identification
Deposit ID10087600
MRDS IDD008063
Alternate namesSilver Bar
RegionNA
Data scoreB
Coordinates38.14473, -105.45363
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.FIELDMAN, D.W. 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.SHARP, W.N., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081, 1:24,000.5) KOCH, G.S., JR., 1971, STATISTICAL ANALYSIS OF ASSAY DATA FROM THE ROUND MOUNTAIN SILVER PROSPECT, CUSTER COUNTY, COLORADO: USBM REPORT OF INVESTIGATIONS 7486, 32 P.EMMONS, S.F., 1896, COLO. DIV. MINES INSPECTION RECORDS