Commodities
PrimaryNiobium (Columbium), REE
SecondaryVermiculite
Commodity typeB
Deposit
Model27: Alkaline complexes
Deposit sizeN
WorkingsSurface
Ore controlFenitization
Materials
Ore mineralsAncylite, Monazite
GangueBarite, Calcite, Strontianite
Geology
Host rockPyroxenite
Associated rockPyroxenite · Pyroxenite Of The Gem Park Complex;Carbonatite Of The Gem Park Complex
StructureCentral Cordillera (Southern Rocky Mountains), Gem Park Complex
Tectonic settingWet Mountains
AlterationFenitization
Economic & production
Development statusOccurrence
Identification
Deposit ID10094586
MRDS IDD009704
RegionNA
Data scoreB
Coordinates38.26862, -105.54891
References
PARKER, R. L. AND SHARP, W. N., 1970, MAFIC-ULTRAMAFIC IGNEOUS ROCKS AND ASSOCIATED CARBONATITES OF THE GEM PARK COMPLEX, CUSTER AND FREMONT COUNTIES, COLORADO: USGS PROF. PAPER 649, 24 P.TAYLOR, R. B., SCOTT, G. R., WOBUS, R. A. AND EPIS, R. C., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE COTOPAXI 15-MINUTE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORADO: USGS MAP I-900, 1: 62,500