| Lat / long: | 39.56471, -105.21502 |
| Primary: | Feldspar, Mica, Beryllium |
| Tertiary: | Uranium, Bismuth, Niobium (Columbium), REE, Tin, Tantalum |
| Ore: | Beryl, Bismuthinite, Bismutite, Cassiterite, Columbite, Microcline, Monazite, Muscovite |
| Gangue: | Albite, Quartz, Tourmaline |
| Orebody form: | TABULAR |
| Other material: | Uraninite |
| Discovery year: | 1884 |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1884 |
| Last production ended: | 1935 |
| Host rock: | Gneissic Quartz Monzonite And Granodiorite;Biotite Gneiss |
| Host type: | Diorite |
| Associated rock: | Gneissis Quartz Monzonite And Granodiorite;Coarse-Grained Pegmatite |
| Associated type: | Diorite,Pegmatite |
| Structure: | Front Range Uplift, Denver Basin, Floyd Hill Fault Zone |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| MRDS | D010204 |
| DEP | 10013744 |
| Reference | {Deposit:: BRYANT, BRUCE, AND OTHERS, 1973, GEOLOGIC MAP OF THE INDIAN HILLS QUADRANGLE, JEFFERSON COUNTY, COLORADO: USGS MAP GQ-1073}{Deposit:: HANLEY, J.B., AND OTHERS, 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-44: USGS PROF. PAPER 227, P. 82-84}{Deposit:: MEEVES, H.C., AND OTHERS, 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES: USBM IC-8298, P. 27.} |
| Reporter | Schwochow, Stephen D. |