Commodities
PrimaryFeldspar
SecondaryREE
Commodity typeB
Deposit
Deposit sizeS
WorkingsUnknown
Orebody formLENTICULAR
Materials
Ore mineralsAllanite, Euxenite, Microcline
GangueBiotite, Garnet, Plagioclase, Quartz
Geology
Host rockGranite
Associated rockGranite · Granitic Rocks
StructureMosquito Range, Arkansas Valley Graben, Nw-Trending Faults
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
Economic & production
Development statusPast Producer
Identification
Deposit ID10013702
MRDS IDD010133
Alternate namesNo. 8 Mine
RegionNA
Data scoreB
Coordinates38.82917, -106.02421
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. 21-22ARGALL, G.O., JR., 1949, INDUSTRIAL MINERALS OF COLORADO: COLORADO SCHOOL OF MINES QUARTERLY, V. 44, NO. 2, P. 161.TWETO, O.L. STEVEN, T.A., HAIL, W.J., JR., MOENCH, R.H., 1976, PRELIMINARY GEOLOGIC MAP OF THE MONTROSE 1 X 2 QUADRANGLE, SOUTHWESTERN COLORADO: USGS MAP MF-761, 1:250,000HANLEY, J.B., 1950