Mine detail: Missouri Girl Mine

Previously called 'Missouri Girl Deposit'

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Location: Montezuma County, Colorado, United States, North America
Lat / long: 37.5789, -108.17954
dep_id: 10097847
mrds_id: D009280
mas_id: 80830080
Commodity type: metallic
Major mineral: Copper
Operation type: Underground
Production size: Small ammount of material produced
Development status: Past Producer
ore: Chalcocite, Malachite
gangue: Calcite, Limonite, Pyrite
orebody_fm: VEINLETS, LENTICULAR MASSES, DISSEMINATED
work_type: Unknown
model: 85: Polymetallic veins
alteration: Hydrothermal Alteration, Bleaching
conc_proc: Reduction
ore_ctrl: Faults, Fracture Zones Paralleling Monzonite Dikes; Coaly Material
Reporter: Wilson, Anna B., Collins, Donna B.
hrock_unit: Dolores Formation, Near Base Of Formation
hrock_type: Shale,Sandstone,Limestone
arock_unit: Monzonite Porphyry
arock_type: Monzonite,Felsic Volcanic Rock
Structure: San Juan Uplift (San Juan Mountains), La Plata Mountains Dome, Small Ne-Trending Fault About 0.5 Mile To Northwest; Parallel Faults, Fractures
tectonic: Central Cordillera (Southern Rocky Mountains), Colorado Plateau
Year first produced: 1909
dy_ba: <
disc_yr: 1909
References:
  • GODDARD, E.N., 1949, COPPER DEPOSITS OF THE BEAR CREEK DISTRICT, IN ECKEL, E.B., 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219, P. 70-72, 150-152.
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