Mine detail: Butterfield Mine

<< Back to the map

<< Back to browsing

Location: Jefferson County, Colorado, United States, North America
Lat / long: 39.41777, -105.31225
dep_id: 10013725
mrds_id: D010177
Commodity type: metallic
Major mineral: REE, Niobium (Columbium), Tantalum
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Fergusonite
gangue: Quartz
orebody_fm: IRREGULAR, OVAL
Reporter: Schwochow, Stephen D.
hrock_unit: Pegmatite;Pikes Peak Granite
hrock_type: Pegmatite
arock_unit: Pegmatite;Pikes Peak Granite
arock_type: Pegmatite,Granite
Structure: Front Range Uplift, Pikes Peak Batholith, Kennedy Gulch Fault Zone
tectonic: Central Cordillera (Southern Rocky Mtns)
References:
  • Deposit:: SIMMONS, W.B., AND HEINRICH, E.W., 1980, RARE-EARTH PEGMATITES OF THE SOUTH PLATTE DISTRICT, COLORADO: CGS RESOURCE SER. 11, 131 P.
  • Deposit:: HAYNES, C.V., JR., 1965, GENESIS OF THE WHITE CLOUD AND RELATED PEGMATITES, SOUTH PLATTE AREA, JEFFERSON COUNTY, COLORADO: GSA BULL., V. 76, NO. 4, P. 441-462.
  • Deposit:: BRYANT, BRUCE, 1974, RECONNAISSANCE GEOLOGIC MAP OF THE PINE QUADRANGLE, JEFFERSON COUNTY, COLORADO: USGS MAP MF-598
© 2010-2018 Lee C. Baker unless noted. All rights reserved.