| Lat / long: | 40.88276, -105.46699 |
| Primary: | Thorium, Beryllium, Uranium |
| Secondary: | Niobium (Columbium), Tantalum, Mica, REE |
| Ore: | Beryl, Monazite, Columbite, Tantalite |
| Other material: | Quartz, Feldspar, Mica |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| Host rock: | Pegmatite;Sherman Granite |
| Host type: | Granite |
| Associated rock: | Pegmatite;Sherman Granite |
| Associated type: | Pegmatite |
| Structure: | Front Range Uplift, Sherman Batholith, Virginia Dale Ring-Dike Comp Lex, Unnamed Shear Zone |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| MRDS | D010536 |
| DEP | 10013959 |
| Reference | {Deposit:: NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENC ES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 209.}{Deposit:: PARKER, R.L., 1963, NIOBIUM AND TANTALUM IN THE UNITED STATES: USGS MR-36, pamphlet p. 3, scale 1:3,168,000.}{Geology:: EGGLER, D.H., 1968, VIRGINIA DALE PRECAMBRIAN RING-DIKE COMPLEX, CO LORADO-WYOMING: GSA BULL., V. 79, NO. 11, P. 1545-1564.} |
| Reporter | Schwochow, Stephen D., Wilson, Anna B., Parker, Raymond L. |