Commodities
PrimaryQuartz
SecondaryREE
TertiaryNiobium (Columbium), Tantalum, Manganese, Thorium
Commodity typeB
Deposit
Deposit sizeS
Orebody formELLIPTICAL
Materials
Ore mineralsQuartz
GangueAlbite, Fergusonite, Fluorite, Pyrolusite, Thorite
Geology
Host rockPegmatite · Pegmatite;Pikes Peak Granite
Associated rockPegmatite,Granite · Pegmatite;Pikes Peak Granite
StructureFront Range Uplift, Pikes Peak Batholith, Kennedy Gulch Fault Zone
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
Last production1968
Identification
Deposit ID10013719
MRDS IDD010165
Alternate namesQuartz Knob
RegionNA
Data scoreB
Coordinates39.39527, -105.22086
References
SIMMONS, W.B., AND HEINRICH, E.W., 1980, RARE-EARTH PEGMATITES OF THE SOUTH PLATTE DISTRICT, COLORADO: CGS RESOURCE SER. 11, 131 P.PETERSON, W.L., 1964, GEOLOGY OF THE PLATTE CANYON QUADRANGLE, COLORADO: USGS BULL. 1181-C, 23 P., 1 PL.HAYNES, C. V., JR., 1965, GENESIS OF THE WHITE CLOUD AND RELATED PEGMATITES, SOUTH PLATTE AREA, JEFFERSON COUNTY, COLORADO: GSA BULL., V. 76, NO. 4, P. 441-462.COLORADO DIV. MINES ANN. OPERATORS REPTS.