Mine detail: Lost Dutchman Quarry

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Location: Douglas County, Colorado, United States, North America
Lat / long: 39.15972, -105.04085
dep_id: 10013801
mrds_id: D010298
Commodity type: metallic and nonmetallic
Major mineral: Feldspar
Trace mineral: Thorium, REE
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Microcline
gangue: Allanite, Biotite, Fluorite, Thorite
work_type: Surface
Reporter: Schwochow, Stephen D.
hrock_unit: Pikes Peak Granite;Pegmatite
hrock_type: Granite
arock_unit: Pikes Peak Granite;Pegmatite
arock_type: Pegmatite,Granite
Structure: Front Range Uplift, Pikes Peak Batholith, Rampart Range Uplift, Perry Park-Jarre Canyon Fault, Rampart Range Fault, Manitou Park Half Graben
tectonic: Central Cordillera (Southern Rocky Mtns)
yr_lst_prd: 1953
References:
  • Deposit:: MEEVES, H.C., AND OTHERS, 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES: USBM IC-8298, P. 24-25.
  • Deposit:: BRYANT, BRUCE, AND OTHERS, 1981, GEOLOGIC MAP OF THE DENVER 1X2 QUADRANGLE, NORTH-CENTRAL COLORADO: USGS MAP I-1163.
  • Deposit:: HEINRICH, E.W., 1957, PEGMATITE PROVINCES OF COLORADO: COLORADO SCHOOL MINES QUART., V. 52, NO. 4, P. 1-22.
  • Deposit:: TRIMBLE, D.E., AND MACHETTE, M.N., 1979, GEOLOGIC MAP OF THE COLORADO SPRINGS-CASTLE ROCK AREA, FRONT RANGE URBAN CORRIDOR, COLORADO: USGS MAP I-857-F.
  • Production:: COLO. DIV. MINES ANN OPERATOR REPTS.
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