Mine detail: Pocahontas Mine

Previously called 'South Leviathan, East LeviathanHumboldt-Pocahontas vein'

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Location: Custer County, Colorado, United States, North America
Lat / long: 38.10473, -105.33613
dep_id: 10012438
mrds_id: D008070
Commodity type: metallic
Major mineral: Silver
Minor mineral: Copper, Lead
Operation type: Underground
Production size: Small ammount of material produced
Development status: Past Producer
ore: Chalcopyrite, Galena, Malachite, Pyrite, Silver, Stephanite, Tetrahedrite
gangue: Barite, Calcite, Clay
work_type: Underground
model: 105: Epithermal vein, generic
alteration: Strongly Argillized
ore_ctrl: Humboldt-Pocahontas Vein; Mineralized Fissures
Reporter: Collins, Donna B., Beach, Richard A.
hrock_unit: Rosita Andesite;Game Ridge Trachyte
hrock_type: Andesite,Volcanic Breccia (Agglomerate)
arock_type: Trachyte
Structure: Rosita Volcanic Center, Wet Mtns, Rosita Fault
tectonic: Central Cordillera (Southern Rocky Mtns)
Year first produced: 1874
disc_yr: 1874
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.
  • Reserve-Resource:: Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.
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