Commodities
PrimaryThorium
SecondaryREE
TertiaryNiobium (Columbium), Copper, Zinc, Lead
Commodity typeM
Deposit
Deposit sizeN
Ore controlEast-West-Trending Carbonatite Cutting Across Metamorphic Foliation
Materials
Ore mineralsMonazite, Thorite
GangueApatite, Barite, Bastnaesite, Biotite, Calcite, Chalcopyrite, Fluorite, Galena, Parisite, Phlogopite, Pyrite, Pyrochlore, Siderite, Sphalerite
Geology
Host rockMafic Intrusive Rock,Schist,Amphibolite,Felsic Volcanic Rock · Dubois Greenstone--Felsite And Felsite Porphyry;Dubois Greenstone--Hornblende Schist And Amphibolite
Associated rockIntrusive Carbonatite,Granite · Carbonatite;Fine-To Medium-Grained Granite
StructureGunnison Uplift, San Juan Volcanic Field, Iron Hill Alkalic Complex, Cimarron Fault, Powderhorn Stock
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusOccurrence
Identification
Deposit ID10014575
MRDS IDD011407
RegionNA
Data scoreC
Coordinates38.24861, -107.09145
References
OLSON, J.C., 1974, GEOLOGIC MAP OF THE RUDOLPH HILL QUADRANGLE, GUNNISON, HINSDALE, AND SAGUACHE COUNTIES, COLORADO: USGS MAP GQ-1177.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.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.