| Lat / long: | 38.25944, -107.06701 |
| Primary: | Niobium (Columbium) |
| Secondary: | REE |
| Tertiary: | Titanium, Metal, Iron, Manganese, Thorium, Zinc, Phosphorus-Phosphates |
| Ore: | Pyrochlore |
| Gangue: | Anatase, Apatite, Barite, Bastnaesite, Biotite, Calcite, Fluorite, Ilmenite, Magnetite, Monazite, Phlogopite, Pyrite, Rutile, Sphene, Synchisite, Zircon |
| Discovery year: | 1956 |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Prospect |
| Host type: | Intrusive Carbonatite |
| Associated rock: | Carbonatite |
| Associated type: | Intrusive Carbonatite |
| Structure: | Gunnison Uplift, San Juan Volcanic Field, Iron Hill Alkalic Complex, Cimarron Fault, Powderhorn Stock |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| Alteration processes: | Oxidation Of Pyrite To Hematite And Goethite; Oxidation Of Rhodochrosite(?) To Mn Oxides |
| MRDS | D011389 |
| DEP | 10014564 |
| Reference | {Deposit:: HEDLUND, D.C., AND OLSON, J.C., 1975, GEOLOGIC MAP OF THE POWDERHORN QUADRANGLE, GUNNISON AND SAGUACHE COUNTIES, COLORADO: USGS MAP GQ-1178.}{Deposit:: THOMPSON, J.V., 1983, ECONOMIC POTENTIAL OF THE CARBONATITE AND ALKALIC STOCK AT POWDERHORN, GUNNISON COUNTY, COLORADO, IN HANDFIELD, R.C., ED., GUNNISON GOLD BELT AND POWDERHORN CARBONATITE FIELD TRIP GUIDEBOOK: DREGS, P. 32-42.}{Deposit:: OLSON, J.C., AND HEDLUND, D.C., 1981, ALKALIC ROCKS AND RESOURCES OF THORIUM AND ASSOCIATED ELEMENTS IN THE POWDERHORN DISTRICT, GUNNISON COUNTY, COLORADO: USGS PROF. PAPER 1049-C.}{Deposit:: COLORADO DIV. MINES INF. REPTS.} |
| Reporter | Schwochow, Stephen D. |