Commodities
PrimaryFluorine-Fluorite, Lead, Gold, Silver, Zinc
SecondaryThorium, Gemstone, REE
TertiaryNiobium (Columbium), Beryllium, Titanium, Metal, Tin, Uranium
Commodity typeB
Deposit
Deposit sizeS
Ore controlQuartz-Fluorspar-Sulfide Veins Localized By Early Joint Sets And Later Cross-Cutting Shear Zones; Gem And Mineral Specimens Localized In Miarolitic Cavities In Pegmatites.
Materials
Ore mineralsAstrophyllite, Columbite, Cryolite, Fergusonite, Fluorite, Galena, Pyrochlore, Riebeckite, Sphalerite, Thorite, Topaz, Xenotime, Zircon
GangueAllanite, Anatase, Apatite, Barite, Bertrandite, Cassiterite, Chalcedony, Chlorite, Fayalite, Nacrite, Rutile, Sphene
Geology
Host rockGranite · Pikes Peak Granite;Mt Rosa Granite
Associated rockSyenite,Pegmatite,Granite · Pikes Peak Granite;Pegmatite
StructureFront Range Uplift, Pikes Peak Batholith, Mt Rosa Intrusive Center, Ute Pass Fault, Manitou Park Half Graben, Emerald Valley Fault
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationWallrock Silicification In Veins; Alteration Of Fluorite/Cryolite To Rare Mineral Assemblage; Alteration Of Siderite To Hematite And Limonite.
Economic & production
Development statusProducer
First production1910
Last production1945
Discovery year1901
Identification
Deposit ID10013843
MRDS IDD010369
Alternate namesSt. Peters Dome District
RegionNA
Data scoreB
Coordinates38.74751, -104.91167
References
TRIMBLE, D.E., AND MACHETTE, M.N., 1979, GEOLOGIC MAP OF THE COLORADO SPRINGS-CASTLE ROCK AREA, FRONT RANGE URBAN CORRIDOR, COLORADO: USGS MAP I-857-F.FINLAY, G.I., 1916, DESCRIPTION OF THE COLORADO SPRINGS QUADRANGLE: USGS FOLIO 203.STEVEN, T.A., 1949, GEOLOGY AND FLUORSPAR DEPOSITS OF THE ST. PETERS DOME DISTRICT, COLORADO: COLORADO SCI. SOC. PROC., V. 15, NO. 6, P. 259-284.PEARL, R.M., 1965, COLORADO GEM TRAILS AND MINERAL GUIDE: DENVER, SAGE BOOKS, P. 171-180. & &OVER, EDWIN, JR., 1929, SOME MINERAL LOCALITIES OF EL PASO COUNTY: ROCKS AND MINERALS, V. 4, NO. 4, P. 106-107 & &GLASS, J.J., AND ADAMS, J.W., 1953, GENTHELVITE CRYSTAL FROM EL PASO COUNTY, COLORADO: AM. MINERALOGIST, V. 38, NOS. 9 AND 10, P. 858-860. & &PAULY, HANS, 1954, WEBERITE FROM PIKES PEAK, COLORADO: AM. MINERALOGIST, V. 39, NOS. 7 AND 8, P. 669-674. & &NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 141-142.STEVEN, 1949