Lat / long: | 39.15694, -105.05779 |
Primary: | Feldspar |
Tertiary: | Niobium (Columbium), Thorium, REE |
Ore: | Microcline |
Gangue: | Parisite, Pyrochlore, Thorite, Xenotime |
Orebody form: | IRREGULAR |
Operation type: | Unknown |
Production size: | Small |
Development status: | Past Producer |
Host rock: | Pikes Peak Granite;Pegmatite |
Host type: | Granite |
Associated rock: | Pikes Peak Granite;Pegmatite |
Associated type: | Pegmatite,Granite |
Structure: | Front Range Uplift, Pikes Peak Batholith, Rampart Range Uplift, Perry Park-Jarre Canyon Fault, Manitou Park Half Graben |
Tectonic: | Central Cordillera (Southern Rocky Mtns) |
MRDS | D010364 |
DEP | 10013839 |
Reference | {Deposit:: MEEVES, H.C., AND OTHERS, 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES: USBM IC-8298, P. 24-25.}{Deposit:: BRYANT, BRUCE, AND OTHERS, 1981, GEOLOGIC MAP OF THE DENVER 1X2 QUADRANGLE, NORTH-CENTRAL COLORADO: USGS MAP I-1163.}{Deposit:: HEINRICH, E.W., 1957, PEGMATITE PROVINCES OF COLORADO: COLORADO SCHOOL MINES QUART., V. 52, NO. 4, P. 1-22.}{Deposit:: TRIMBLE, D.E., AND MACHETTE, M.N., 1979, GEOLOGIC MAP OF THE COLORADO SPRINGS-CASTLE ROCK AREA, FRONT RANGE URBAN CORRIDOR, COLORADO: USGS MAP I-857-F.}{Production:: COLO. DIV. MINES ANN. OPERATOR REPT.} |
Reporter | Schwochow, Stephen D. |