Mine detail: Golden Gate Mine

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Location: Custer County, Colorado, United States, North America
Lat / long: 38.12834, -105.34029
dep_id: 10012188
mrds_id: D007658
Commodity type: metallic
Major mineral: Silver
Minor mineral: Gold
Operation type: Underground
Deposit type: Vein
Production size: Small ammount of material produced
Development status: Past Producer
ore: Pyrite
gangue: Quartz
work_type: Underground
model: 154: Epithermal quartz-alunite Au
alteration: Strongly Argillized
ore_ctrl: Mineralized Fissures, Many Small Faults
Reporter: Collins, Donna B.
hrock_type: Trachyandesite
arock_unit: Bunker Trachyandesite;San Isabel Gneiss
arock_type: Trachyandesite
Structure: Rosita Volcanic Center, Wet Mtns, Ring Fault, Small 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:: 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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