| Location: | Larimer County, Colorado, United States, North America |
| Lat / long: | 40.88276, -105.46699 |
| dep_id: | 10013959 |
| mrds_id: | D010536 |
| Commodity type: | metallic and nonmetallic |
| Major mineral: | Thorium, Beryllium, Uranium |
| Minor mineral: | Niobium (Columbium), Tantalum, Mica, REE |
| Operation type: | Unknown |
| Production size: | No production occurred |
| Development status: | Occurrence |
| ore: | Beryl, Monazite, Columbite, Tantalite |
| other_matl: | Quartz, Feldspar, Mica |
| Reporter: | Schwochow, Stephen D., Wilson, Anna B., Parker, Raymond L. |
| hrock_unit: | Pegmatite;Sherman Granite |
| hrock_type: | Granite |
| arock_unit: | Pegmatite;Sherman Granite |
| arock_type: | Pegmatite |
| Structure: | Front Range Uplift, Sherman Batholith, Virginia Dale Ring-Dike Comp Lex, Unnamed Shear Zone |
| tectonic: | Central Cordillera (Southern Rocky Mtns) |
| References: |
- 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.
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