Mine detail: Bullion Prospect

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Location: Custer County, Colorado, United States, North America
Lat / long: 38.12473, -105.32807
dep_id: 10012176
mrds_id: D007643
Commodity type: metallic
Major mineral: Silver
Operation type: Unknown
Production size: No production occurred
Development status: Prospect
alteration: Possibly Weak Argillization
ore_ctrl: Trachyte Dike; Small Fractures And Faults
Reporter: Collins, Donna B.
hrock_type: Andesite
arock_unit: Rosita Andesite;Trachyte Of Game Ridge
arock_type: Andesite
Structure: Rosita Volcanic Center, Wet Mtns, Small Dikes And Faults
tectonic: Central Cordillera (Southern Rocky Mtns)
disc_yr: 1882
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:: 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.M., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAPS I-1081.
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