Mine detail: Racine Boy Mine

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Location: Custer County, Colorado, United States, North America
Lat / long: 38.13918, -105.4389
dep_id: 10012429
mrds_id: D008052
Commodity type: metallic
Major mineral: Silver, Lead
Trace mineral: Iron, Manganese
Operation type: Surface
Production size: Small ammount of material produced
Development status: Past Producer
ore: Cerargyrite, Galena, Goethite, Jarosite
gangue: Quartz, Talc
orebody_fm: PIPE
work_type: Surface/Underground
model: 82: Epithermal veins
alteration: Weak Argillization
conc_proc: Oxidation At Surface
ore_ctrl: Jointing, Striking Nw; Mineralized Fissures
Reporter: Collins, Donna B.
hrock_unit: Silver Cliff Rhyolite Unit 2
hrock_type: Rhyolite
Structure: Silver Cliff Volcanic Center, Wet Mtns, Wet Mtn Valley, Silver Cliff Graben, Fault; Geyser Vent, Breccia Pipe
tectonic: Central Cordillera (Southern Rocky Mtns)
Year first produced: 1880
yr_lst_prd: 1911
disc_yr: 1878
References:
  • 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:: 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:: 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
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