Commodities
PrimaryFeldspar
SecondaryREE, Bismuth
TertiaryCopper
Commodity typeB
Deposit
Deposit sizeS
WorkingsSurface
Materials
Ore mineralsBismutite, Euxenite, Fluorite, Gadolinite, Malachite, Microcline, Monazite
GangueApatite, Biotite, Chlorite, Magnetite, Muscovite, Plagioclase, Quartz
Geology
Host rockGranite
Associated rockPegmatite,Granite · Granitic Rocks;Pegmatite
StructureMosquito Range, Arkansas Valley Graben, Fractures (Strike N 50 W); Nw-Trending Faults
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
Economic & production
Development statusPast Producer
Identification
Deposit ID10013765
MRDS IDD010231
Alternate namesYard Pegmatite
RegionNA
Data scoreB
Coordinates38.8875, -106.08671
References
HANLEY, J.B., HEINRICH, E.W., PAGE, L.R., 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-1944: USGS PROFESSIONAL PAPER 227, P. 21-22HEINRICH, E.W., 1948, FLUORITE-RARE EARTH MINERAL PEGMATITES OF CHAFFEE AND FREMONT COUNTIES, COLORADO: AMERICAN MINERALOGIST, V. 33, NOS. 1-2, P. 64-69.ARGALL, G.O., JR., 1949, INDUSTRIAL MINERALS OF COLORADO: COLORADO SCHOOL OF MINES QUARTERLY, V. 44, NO. 2, P. 161BRADY, B.T., 1975, MAP SHOWING FLUORSPAR DEPOSITS IN COLORADO: USGS MAP MR-70, 1:500,000, TEXTHANLEY, J.B. (1950)