Mine detail: Matchless Prospect

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Location: Custer County, Colorado, United States, North America
Lat / long: 38.10945, -105.35224
dep_id: 10012199
mrds_id: D007672
Commodity type: metallic
Major mineral: Silver
Operation type: Underground
Deposit type: Vein
Production size: No production occurred
Development status: Producer
alteration: Strong Argillization
ore_ctrl: Mineralized Fissures Near And Associated With Humboldt-Pocahontas Vein
Reporter: Collins, Donna B., Beach, Richard A.
hrock_type: Andesite
arock_unit: Rosita Andesite
arock_type: Andesite
Structure: Rosita Volcanic Center, Wet Mtns, Rosita Fault; Humboldt-Pocahontas Vein; Many Mineralized Fissures
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:: SHARP, W.M., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAPS I-1081.
  • Reserve-Resource:: Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.
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