Mine detail: Alderman Deposit

<< Back to the map

<< Back to browsing

Location: Chaffee County, Colorado, United States, North America
Lat / long: 38.62528, -106.06504
dep_id: 10013699
mrds_id: D010130
Commodity type: metallic and nonmetallic
Major mineral: Fluorine-Fluorite
Trace mineral: Manganese
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Fluorite
gangue: Barite, Calcite, Goethite, Hematite, Kaolinite, Manganite, Montmorillonite, Opal, Psilomelane, Pyrite, Pyrolusite, Quartz
work_type: Unknown
model: 174: Fluorspar deposits (fluorite veins)
alteration: Silicification, Fluoritization
ore_ctrl: Fault Breccia; Fault Zone Striking N 30-50 W, Dipping 65-85 Sw; Fractures
Reporter: Collins, Donna B., Beach, Richard A.
hrock_unit: Banded Gneiss
hrock_type: Gneiss,Rhyolite
arock_unit: Gneissic Quartz Monzonite;Ash-Flow Tuff
arock_type: Gneiss,Rhyolite
Structure: Southern Mosquito Range, Arkansas Valley Graben, Folds, Faults; N-Trending Fault Bounding Arkansas Valley
tectonic: Central Cordillera (Southern Rocky Mountains)
Year first produced: 1927
yr_lst_prd: 1949
disc_yr: 1923
References:
  • Deposit:: VAN ALSTINE, R.E., 1969, GEOLOGY AND MINERAL DEPOSITS OF THE PONCHA SPRINGS NE QUADRANGLE, CHAFFEE COUNTY, COLORADO: USGS PROFESSIONAL PAPER 626, 52 P.
  • Deposit:: VAN ALSTINE, R.E. AND COX, D.C., 1969, FLUORSPAR MINES AND PROSPECTS, IN, GEOLOGY AND MINERAL DEPOSITS OF THE PONCHA SPRINGS NE QUADRANGLE, CHAFFEE COUNTY, COLORADO: USGS PROFESSIONAL PAPER 626, P. 38-43
  • Deposit:: BRADY, B.T., 1975, MAP SHOWING FLUORSPAR DEPOSITS IN COLORADO: USGS MAP MR-70, 1:500,000, TEXT
© 2010-2018 Lee C. Baker unless noted. All rights reserved.