Commodities
PrimaryThorium, Beryllium, Uranium
SecondaryNiobium (Columbium), Tantalum, Mica, REE
Commodity typeB
Materials
Ore mineralsBeryl, Monazite, Columbite, Tantalite
Other materialsQuartz, Feldspar, Mica
Geology
Host rockGranite · Pegmatite;Sherman Granite
Associated rockPegmatite · Pegmatite;Sherman Granite
StructureFront Range Uplift, Sherman Batholith, Virginia Dale Ring-Dike Comp Lex, Unnamed Shear Zone
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusOccurrence
Identification
Deposit ID10013959
MRDS IDD010536
RegionNA
Data scoreB
Coordinates40.88276, -105.46699
References
NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENC ES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 209.PARKER, R.L., 1963, NIOBIUM AND TANTALUM IN THE UNITED STATES: USGS MR-36, pamphlet p. 3, scale 1:3,168,000.EGGLER, D.H., 1968, VIRGINIA DALE PRECAMBRIAN RING-DIKE COMPLEX, CO LORADO-WYOMING: GSA BULL., V. 79, NO. 11, P. 1545-1564.