Mine detail: Manganese Hill Mine

Previously called 'Morgan Ranch DepositsManganeseU.S. Fluorspar Co. MineChaffee County Fluorspar Mine'

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Location: Chaffee County, Colorado, United States, North America
Lat / long: 38.64667, -106.08032
dep_id: 10013772
mrds_id: D010246
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: Surface/Underground
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., Conservation Division Files, Beach, Richard A.
hrock_unit: Banded Gneiss;Browns Canyon Formation
hrock_type: Gneiss,Claystone,Siltstone,Arkose,Tuff
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: 1936
yr_lst_prd: 1950
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
  • Deposit:: ARGALL, 1949, COLO. SCH. MINES QUART., V. 44, NO. 2
  • Deposit:: CONSV. DIV. COMP. DATE, 1,64
  • Deposit:: USGS TOPO MAPS, ARKANSAS RIVER SURVEY, 1955, 1: 24,000, 1961
  • Deposit:: DMEA RECORDS
  • Deposit:: USBM MINERAL EXAM. FILE
  • Deposit:: COLO BOM AN RPT 1941, 1956
  • Deposit:: MINE MAP REPO # 404949
  • Deposit:: Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.
  • Reserve-Resource:: VAN ALSTINE, R. E. (1969)
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