Colorado · Fremont County
Past Producer

Iron Mountain Mine

Fremont County, Colorado, United States
VanadiumTitaniumMetalIron
⌖ Show on mapUSGS source ↗
Commodities
PrimaryVanadium, Titanium, Metal, Iron
Commodity typeM
Deposit
Model14: Anorthosite Ti
Deposit sizeS
Orebody formLENS-SHAPED MASSES IN FUNNEL-SHAPED BODY
Ore controlMafic-Ultramafic Body Near Fault Intersections
Materials
Ore mineralsIlmenite, Magnetite
GangueAugite, Biotite, Hornblende, Limonite, Olivine, Plagioclase, Quartz, Sericite, Spinel
Geology
Host rockGabbro,Anorthosite,Dunite,Pyroxenite
Associated rockGabbro,Anorthosite,Dunite,Pyroxenite
StructureNorthern Wet Mountains, Deweese Plateau; Mcclure Mountain Complex, Wnw-Trending Faults, Nnw-Trending Fault
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
Economic & production
Development statusPast Producer
First production1873
Discovery year1872
Identification
Deposit ID10013539
MRDS IDD009897
Alternate namesIron Mountain Deposit, Iron Mountain Titaniferous Magnetite Deposit, Iron Mountain District
RegionNA
Data scoreA
Coordinates38.34251, -105.42224
References
BECKER, R.M., SHANNON, S.S., JR., ROSE, C.K., 1961, IRON MOUNTAIN TITANIFEROUS MAGNETITE DEPOSIT, FREMONT COUNTY, COLORADO: USBM REPORT OF INVESTIGATIONS 5864, 18 P., PLATES.SHAWE, D.R. AND PARKER, R.L., 1967, MAFIC-ULTRAMAFIC LAYERED INTRUSION AT IRON MOUNTAIN, FREMONT COUNTY, COLORADO: USGS BULLETIN 1251-A, 28 P., PLATES.HARRER, C.M. AND TESCH, W.J., 1958, RECONNAISSANCE OF IRON OCCURRENCES IN COLORADO: USBM INFORMATION CIRCULAR 7918, P. 5, 29-30.SINGEWALD, J.T., JR., 1913, THE TITANIFEROUS IRON ORES IN THE UNITED STATES - THEIR COMPOSITION AND ECONOMIC VALUE: USBM BULLETIN 64, P. 145.TAYLOR, R. B., SCOTT, G. R., WOBUS, R. A., EPIS, R. C., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE ROYAL GORGE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORADO: USGS MAP I-869, 1:62,500.Cappa, J. A., 1998, Alkalic igneous rocks of Colorado and their associated ore deposits: Colorado Geological Survey Resource Series 35, 138 p.Armbrustmacher, T.J., 1984, Alkaline rock complexes in the Wet Mountains area, Custer and Fremont counties, Colorado: U.S. Geological Survey Professional Paper 1269, 33 p.Armbrustmacher, T.J., 1988, Geology and resources of thorium and associated elements in the Wet Mountains area, Fremont and Custer counties, Colorado: U.S. Geological Survey Professional Paper 1049-F, 34 p.HARRER, C.M., 1958; BECKER, R.M., 1961;