| Location: | Larimer County, Colorado, United States, North America |
| Lat / long: | 40.4597, -105.35337 |
| dep_id: | 10013857 |
| mrds_id: | D010387 |
| Commodity type: | metallic and nonmetallic |
| Major mineral: | Feldspar, Beryllium, Mica |
| Trace mineral: | Uranium, Lithium, Bismuth, Phosphorus-Phosphates |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Producer |
| ore: | Beryl, Muscovite |
| gangue: | Albite, Apatite, Bertrandite, Bismuthinite, Cleavelandite, Garnet, Purpurite, Torbernite, Tourmaline, Triphylite, Uraninite |
| orebody_fm: | LENTICULAR |
| alteration: | Fe Oxidation; Alteration Of Bi And U Minerals |
| Reporter: | Schwochow, Stephen D. |
| hrock_unit: | Metasedimentary Rocks--Quartz-Mica Schist;Pegmatite |
| hrock_type: | Tonalite,Mica Schist |
| arock_unit: | Pegmatite;Tonalite (Quartz Diorite) |
| arock_type: | Tonalite,Pegmatite |
| Structure: | Front Range Uplift, Thompson Canyon Fault, Mt Olympus Batholith, Ne-Trending Folds |
| tectonic: | Central Cordillera (Southern Rocky Mtns) |
| Year first produced: | 1936 |
| yr_lst_prd: | 1948 |
| disc_yr: | 1936 |
| discr: | Roy Hyatt |
| References: |
- 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. 99-102.
- Deposit:: MEEVES, H.C., AND OTHERS, 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES: USBM IC-8298, P. 30.
- Deposit:: GILKEY, M.M., 1960, HYATT RANCH PEGMATITE, LARIMER COUNTY, COLO.: USBM RI-5643, 18 P. & &
- Deposit:: BRADDOCK, W.A., AND OTHERS, 1970, GEOLOGIC MAP OF THE DRAKE QUADRANGLE, LARIMER COUNTY, COLORADO: USGS MAP GQ-829.
- Production:: HANLEY AND OTHERS, 1950; THURSTON, 1955
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