Mine detail: Kate Mine

Previously called 'Silver Bar'

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Location

Lat / long: 38.14473, -105.45363

Resource(M)

Primary: Silver
Secondary: Copper, Lead, Iron
Ore: Argentite, Bromyrite, Cerargyrite, Chalcopyrite, Galena, Pyrite
Gangue: Barite, Fluorite
Discovery year: 1885

Production

Operation type: Surface-Underground
Production size: Small
Development status: Past Producer

Geology

Host type:Rhyolite
Associated rock:Silver Cliff Rhyolite Unit 3
Associated type:Rhyolite
Structure:Silver Cliff Volcanic Center, Wet Mtns, Wet Mtn Valley, Silver Cliff Graben, Fault, North-Trending Faults
Tectonic:Central Cordillera (Southern Rocky Mtns)
Alteration processes:Weakly Argillized

References

MRDSD008063
DEP10087600
Reference{Deposit:: CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT 2, P 263-403.}{Deposit:: EMMONS, S.F., 1896, THE MINES OF CUSTER COUNTY, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 405-472.}{Deposit:: 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.}{Deposit:: SHARP, W.N., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081, 1:24,000.}{Deposit:: 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.}{Production:: EMMONS, S.F., 1896, COLO. DIV. MINES INSPECTION RECORDS}
ReporterCollins, Donna B.