Colorado · Gunnison County
Prospect

Iron Hill Carbonatite Deposit

Gunnison County, Colorado, United States
REETitaniumNiobium (Columbium)IronCopperPlatinumPhosphorus-PhosphatesMicaBarium-BariteVermiculite
⌖ Show on mapUSGS source ↗
Commodities
PrimaryREE, Titanium, Niobium (Columbium)
TertiaryIron, Copper, Platinum, Phosphorus-Phosphates, Mica, Barium-Barite, Vermiculite
Commodity typeB
Deposit
Model24: Carbonatite
WorkingsSurface
Orebody formFUNNEL SHAPED, PEAR SHAPED IN PLAN VIEW, ORE DISSEMINATED IN PIPE
Materials
Ore mineralsApatite, Ilmenite, Magnetite, Monazite, Rutile, Columbite, Pyrochlore, Perovskite, Sphene, Thorite, Vermiculite
GangueAnkerite, Mica, Pyrite, Garnet, Siderite
Other materialsFluorite, Zircon
Geology
Host rockNepheline Syenite,Pyroxenite,Intrusive Carbonatite
Associated rockGranite
Economic & production
Development statusProspect
Discovery year1885
Identification
Deposit ID10142743
MRDS IDM045346
Alternate namesIron Hill Columbium Deposit, Powderhorn, Big Iron Hill, Cebolla Creek, Ti-area Iron Hill
RegionNA
Data scoreA
Coordinates38.25319, -107.05328
References
THOMPSON, JAMES V. MINING HISTORY OF POWDERHORN, (UNPUBLISHED REPORT), 1980, 7 PP.Long, K.R., Van Gosen, B.S., Foley, N.K., and Cordier, Daniel, 2010, The principal rare earth elements deposits of the United States?A summary of domestic deposits and a global perspective: U.S. Geological Survey Scientific\nInvestigations Report 2010?5220, 96 p. Available at http://pubs.usgs.gov/sir/2010/5220/.PAGE, N.J, 1972, U.S. GEOLOGICAL SURVEY, UNPUB. DATANASH, W.P., 1972, MINERALOGY AND PETROLOGY OF THE IRON HILL CARBONATITE COMPLEX, COLORADO: GEOLOGICAL SOCIETY OF AMERICA BULLETIN, V. 83, P. 1361-1382.LARSEN, E.S., 1942, ALKALIC ROCKS OF IRON HILL, GUNNISON COUNTY, COLORADO: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 197-A, P. 1-64.TEMPLE, A. K., AND R. M. GROGAN. CARBONATITE AND RELATED ALKALIC ROCKS AT POWDERHORN, COLORADO, ECON. GEOL., V. 60, 1965, PP. 672-692.GROGAN, R. M. COLUMBIUM AT POWDERHORN, COLORADO, MINES MAG, SEPT. 1960, P. 15, 16, 27.THOMPSON, J. V. TITANIUM RESOURCE IN COLORADO EQUALS ALL OTHER US DEPOSITS. ENGINEERING AND MINING JOURNAL, JUL 1987, P. 28.Staatz, M.H., Armbrustmacher, T.J., Olson, J.C., Brownfield, I.K., Brock, M.R., Lemons, J.F., Jr., Coppa, L.V., and Clingan, B.V., 1979, Principal thorium resources in the United States: U.S. Geological Survey Circular 805, 42 p.Shaver, K.C., and Lunceford, R.A., 1998, White Earth Project, Colorado?The largest titanium resource in the United States: Canadian Industrial Minerals Bulletin, v. 91, p. 63?65.