| Lat / long: | 38.23278, -107.02506 |
| Primary: | Thorium |
| Secondary: | REE |
| Tertiary: | Niobium (Columbium), Copper, Zinc, Lead |
| Ore: | Monazite, Thorite |
| Gangue: | Apatite, Barite, Bastnaesite, Biotite, Calcite, Chalcopyrite, Fluorite, Galena, Parisite, Phlogopite, Pyrite, Pyrochlore, Siderite, Sphalerite |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| Host type: | Granite |
| Associated rock: | Carbonatite;Powderhorn Granite |
| Associated type: | Intrusive Carbonatite,Granite |
| Structure: | Gunnison Uplift, San Juan Volcanic Field, Iron Hill Alkalic Complex, Cimarron Fault, Powderhorn Stock |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| Alteration processes: | Fenitization In Granite |
| MRDS | D011402 |
| DEP | 10087971 |
| Reference | {Deposit:: OLSON, J.C., 1974, GEOLOGIC MAP OF THE RUDOLPH HILL QUADRANGLE, GUNNISON, HINSDALE, AND SAGUACHE COUNTIES, COLORADO: USGS MAP GQ-1177.}{Deposit:: HEDLUND, D.C., AND OLSON, J.C., 1961, FOUR ENVIRONMENTS OF THORIUM-, NIOBIUM-, AND RARE-EARTH-BEARING MINERALS IN THE POWDERHORN DISTRICT OF SOUTHWESTERN COLORADO: USGS PROF. PAPER 424-B, P. B283-B286.}{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.} |
| Reporter | Schwochow, Stephen D. |