Description
C. J. Vesey, C. M. Martin, E. Moldenhauer
Commodities
PrimaryFeldspar
SecondaryREE, Bismuth
TertiaryFluorine-Fluorite
Commodity typeB
Deposit
Deposit sizeS
WorkingsSurface
Ore controlPegmatite
Materials
Ore mineralsAllanite, Bismutite, Euxenite, Fluorite, Microcline
GangueApatite, Biotite, Calcite, Garnet, Hematite, Muscovite, Plagioclase, Quartz
Geology
Host rockGranite
Associated rockGranite · Granitic Rocks
StructureArkansas Valley Graben, Southern Mosquito Range, Nnw-Trending Faults
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
Economic & production
Development statusPast Producer
Discovery year1946
Identification
Deposit ID10087830
MRDS IDD010247
RegionNA
Data scoreB
Coordinates38.84944, -106.05171
References
HEINRICH, E. W., 1948, FLUORITE-RARE EARTH MINERAL PEGMATITES OF CHAFFEE AND FREMONT COUNTIES, COLORADO: AMERICAN MINERALOGIST, V. 33, NOS. 1-2, P. 69-71BRADY, B. T., 1975, MAP SHOWING FLUORSPAR DEPOSITS IN COLORADO: USGS MAP MR. 70, 1:500,000, TEXTTWETO, O. L., STEVEN, T. A., HAIL, W. J., JR., MOENCH, R. H., 1976, PRELIMINARY GEOLOGIC MAP OF THE MONTROSE 1DEG X 2DEG QUADRANGLE, SOUTHWESTERN COLORADO: USGS MAP MF-761, 1:250,000.