| Location: | Jefferson County, Colorado, United States, North America |
| Lat / long: | 39.7086, -105.3803 |
| dep_id: | 10013738 |
| mrds_id: | D010197 |
| Commodity type: | metallic and nonmetallic |
| Major mineral: | Feldspar |
| Trace mineral: | Tantalum, Copper |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Past Producer |
| ore: | Cleavelandite, Malachite, Microcline, Microlite, Tantalite |
| gangue: | Biotite, Garnet, Quartz |
| orebody_fm: | POD |
| Reporter: | Schwochow, Stephen D. |
| hrock_unit: | Idaho Springs Formation---Hornblende Gneiss And Amphibolite |
| hrock_type: | Gneiss |
| arock_unit: | Pegmatite |
| arock_type: | Pegmatite |
| Structure: | Front Range Uplift, Denver Basin, Floyd Hill Fault Zone |
| tectonic: | Central Cordillera (Southern Rocky Mtns) |
| Year first produced: | 1941 |
| disc_yr: | 1939 |
| References: |
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