| Lat / long: | 40.53887, -105.43253 |
| Primary: | Mica, Beryllium, Uranium, Feldspar |
| Secondary: | Niobium (Columbium), Tantalum, Gemstone, Manganese |
| Tertiary: | Bismuth, Lithium, REE |
| Ore: | Beryl, Chrysoberyl, Microcline, Muscovite, Tourmaline, Uraninite |
| Gangue: | Albite, Amblygonite, Apatite, Bertrandite, Bismutite, Cleavelandite, Fluorite, Hematite, Limonite, Magnetite, Monazite, Purpurite, Quartz, Sericite, Sillimanite, Spodumene, Torbernite, Triphylite |
| Orebody form: | LENTICULAR, TABULAR, IRREGULAR |
| Discovery year: | 1884 |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| First production started: | 1884 |
| Last production ended: | 1971 |
| Host rock: | Metasedimentary Rocks--Quartz-Mica Schist;Pegmatite |
| Host type: | Tonalite,Mica Schist |
| Associated rock: | Pegmatite;Tonalite (Quartz Diorite) |
| Associated type: | Tonalite,Pegmatite |
| Structure: | Front Range Uplift, Thompson Canyon Fault, Mt Olympus Batholith, Ne-Trending Folds |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| Alteration processes: | Albite And Sericite Replacement Of Spodumene; Tourmalinization Of Schistose Wallrock; Silicification Of Tonalite Wallrock; Fe Oxidation |
| MRDS | D010383 |
| DEP | 10107992 |
| Reference | {Deposit:: THURSTON, W.R., 1955, PEGMATITES OF THE CRYSTAL MOUNTAIN DISTRICT, LARIMER COUNTY, COLORADO: USGS BULL. 1011, 185 P., 13 PLS.}{Deposit:: HANLEY, J.B., AND OTHERS, 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-1944: USGS PROF. PAPER 227, P. 87-104.}{Deposit:: MEEVES, H.C., AND OTHERS, 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES: USBM IC-8298, P. 13, 29-31.}{Deposit:: BRADDOCK, W.A., AND OTHERS, 1970, GEOLOGIC MAP OF THE DRAKE QUADRANGLE, LARIMER COUNTY, COLORADO: USGS MAP GQ-829. & &}{Deposit:: GILKEY, M.M., 1960, HYATT RANCH PEGMATITE, LARIMER COUNTY, COLO.: USBM RI-5643, 18 P. & &}{Deposit:: NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 208-211. & &}{Deposit:: STERRETT, D.B., 1923, MICA DEPOSITS OF THE UNITED STATES: USGS BULL. 740, P. 59-61. & &}{Deposit:: COLORADO DIV. MINES INSPECTORS REPTS. AND ANNUAL OPERATORS REPTS.} |
| Reporter | Schwochow, Stephen D. |