| Lat / long: | 39.41055, -105.2303 |
| Primary: | Feldspar, Quartz |
| Secondary: | Fluorine-Fluorite, REE |
| Tertiary: | Thorium, Niobium (Columbium), Tantalum |
| Ore: | Quartz |
| Gangue: | Biotite, Cleavelandite, Fergusonite, Muscovite, Sericite, Thorite |
| Orebody form: | CIRCULAR |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Last production ended: | 1967 |
| Host rock: | Pikes Peak Granite;Pegmatite |
| Host type: | Pegmatite |
| Associated rock: | Pikes Peak Granite;Pegmatite |
| Associated type: | Pegmatite,Granite |
| Structure: | Front Range Uplift, Pikes Peak Batholith, Pine Gulch Fault |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| Alteration processes: | Perthite Replaced By Cleavelandite; Biotite By Hematite; Possible Hydration Of Cyrtolite-Thorite; Partial Replacement Of Fluorite By Yttrofluorite; Minor Sericite. |
| MRDS | D010171 |
| DEP | 10087820 |
| Reference | {Deposit:: SIMMONS, W.B., AND HEINRICH, E.W., 1980, RARE-EARTH PEGMATITES OF THE SOUTH PLATTE DISTRICT, COLORADO: CGS RESOURCE SER. 11, 131 P.}{Deposit:: PETERSON, W.L., 1964, GEOLOGY OF THE PLATTE CANYON QUADRANGLE, COLORADO: USGS BULL. 1181-C, 23 P., 1 PL.}{Deposit:: HAYNES, C.V., JR., 1965, GENESIS OF THE WHITE CLOUD AND RELATED PEGMATITES, SOUTH PLATTE AREA, JEFFERSON COUNTY, COLORADO: GSA BULL., V. 76, NO. 4, P. 441-462.}{Production:: COLORADO DIVISION OF MINES ANNUAL OPERATORS REPTS.} |
| Reporter | Schwochow, Stephen D., Spanski, Gregory T. |