Mine detail: American Flag Mine

Previously called 'Anaconda MineCrete MineEthel Consolidation MineHoldredge Mine See Location Comments Below'

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Location: Chaffee County, Colorado, United States, North America
Lat / long: 38.63222, -106.00253
dep_id: 10010841
mrds_id: D004840
Commodity type: metallic
Major mineral: Gold
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Producer
ore: Gold
gangue: Actinolite, Apatite, Barite, Biotite, Calcite, Chlorite, Gahnite, Opal, Psilomelane, Quartz
alteration: Oxidation
conc_proc: Oxidation
ore_ctrl: Between N-Trending Faults
Reporter: Foord, Suzann C, Collins, Donna B.
hrock_unit: Hornblende Gneiss
hrock_type: Schist,Gneiss
arock_type: Quartz Monzonite
Structure: Southern Mosquito Range, Arkansas Valley Graben, N-Trending Faults, Pleasant Valley Syncline
tectonic: Central Cordillera (Southern Rocky Mountains)
dy_ba: <
disc_yr: 1901
References:
  • Deposit:: COLORADO BUREAU OF MINES ANNUAL REPORT 1901, 1902
  • Deposit:: HEINRICH, E.W., 1981, PRECAMBRIAN TUNGSTEN AND COPPER-ZINC SKARN DEPOSITS OF SOUTH-CENTRAL COLORADO: CGS RESOURCE SERIES 21, P. 100.
  • Deposit:: BOARDMAN, S.J., 1976, GEOLOGY OF THE METAMORPHIC ROCKS OF THE SALIDA AREA, CHAFFEE COUNTY, COLORADO: THE MOUNTAIN GEOLOGIST, V. 13, NO. 3, P. 89-100.
  • Deposit:: BOARDMAN, S.J., 1971, PRECAMBRIAN GEOLOGY AND MINERAL DEPOSITS OF THE SALIDA AREA, CHAFFEE COUNTY, COLORADO: PH.D. THESIS, UNIVERSITY OF MICHIGAN, 131 P.
  • Deposit:: VAN ALSTINE, R.E., 1969, GEOLOGY AND MINERAL DEPOSITS OF THE PONCHA SPRINGS NE QUADRANGLE, CHAFFEE COUNTY, COLORADO: USGS PROFESSIONAL PAPER 626, P. 43-44, MAP
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