| Location: | Park County, Colorado, United States, North America |
| Lat / long: | 38.79306, -105.59586 |
| dep_id: | 10013023 |
| mrds_id: | D009084 |
| Commodity type: | metallic and nonmetallic |
| Major mineral: | Feldspar, Mica, Beryllium, Niobium (Columbium) |
| Minor mineral: | Tantalum |
| Trace mineral: | Titanium, Metal, Uranium, Thorium, Tin, Bismuth |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Past Producer |
| ore: | Beryl, Bismutite, Columbite, Microcline, Monazite |
| gangue: | Apatite, Garnet, Plagioclase, Quartz, Schorlite |
| other_matl: | Muscovite |
| orebody_fm: | OVOID LENS |
| conc_proc: | Hydrothermal Replacement |
| ore_ctrl: | Fractures; Wall Rock Control, Fault/Fracture Control |
| Reporter: | Collins, Donna B. |
| hrock_unit: | Biotite Gneiss |
| hrock_type: | Gneiss,Granite |
| Structure: | Thirty Nine Mile Volcanic Field, Guffey Volcanic Center, Currant Creek Fault Zone, Other Faults |
| tectonic: | Central Cordillera, Southern Rocky Mountains |
| Year first produced: | 1908 |
| disc_yr: | 1908 |
| discr: | Alonzo Macdonald |
| References: |
- Deposit:: HEINRICH, E.W. AND BEVER, J.E., 1957, RADIOACTIVE MINERAL OCCURRENCES IN THE GUFFEY AREA, PARK AND FREMONT COUNTIES, COLORADO: COLORADO SCHOOL MINES QUARTERLY, V.52, NO. 4, P. 23-35.
- Deposit:: HEINRICH, E.W., 1981, PRECAMBRIAN TUNGSTEN AND COPPER-ZINC SKARN. DEPOSITS OF SOUTH-CENTRAL COLORADO: CGS RESOURCE SERIES 21, 115 P.
- Deposit:: EPIS, R.C., WOBUS, R.A. AND SCOTT, G.R., 1979, GEOLOGIC MAP OF THE GUFFEY QUADRANGLE, PARK COUNTY, COLORADO: USGS MAP I-1180, 1:62,500.
- Deposit:: HANLEY, J.B., AND OTHERS, 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-1944: USGS PROF. PAPER 227, P. 105-107
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