| Lat / long: | 39.66749, -105.45003 |
| Primary: | Beryllium |
| Tertiary: | Feldspar |
| Ore: | Beryl, Microcline |
| Gangue: | Biotite, Plagioclase |
| Orebody form: | TABULAR |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1942 |
| Host rock: | Idaho Springs Formation---Hornblende Gneiss, Calc-Silicate Gneiss, And Amphibolite |
| Host type: | Gneiss |
| Associated rock: | Pegmatite |
| Associated type: | Pegmatite |
| Structure: | Front Range Uplift, Denver Basin, Kennedy Gulch Fault Zone |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| MRDS | D010228 |
| DEP | 10013764 |
| Reference | {Deposit:: BOOS, M.F., 1954, GENESIS OF PRECAMBRIAN PEGMATITES IN THE DENVER MOUNTAIN PARKS AREA, COLORADO: GSA BULL., V. 65, P. 115-142}{Deposit:: SHERIDAN, D.M., AND MARSH, S.P., 1976, GEOLOGIC MAP OF THE SQUAW PASS QUADRANGLE, CLEAR CREEK, JEFFERSON, AND GILPIN COUNTIES, COLORADO: USGS MAP GQ-1337} |
| Reporter | Schwochow, Stephen D. |