Commodities
PrimaryREE, Quartz, Feldspar
Commodity typeB
Deposit
Deposit sizeS
WorkingsUnknown
Orebody formOVAL
Materials
Ore mineralsAllanite, Gadolinite, Quartz, Microcline
Other materialsDoverite, Fluorite, Monazite
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)
AlterationReplacement Of Fluorite By Yttrofluorite And Graphic Granite By Fluorite
Economic & production
Development statusPast Producer
Last production1965
Identification
Deposit ID10013720
MRDS IDD010167
Alternate namesMadonna No. 3 Mine, Madonna Western Mine
RegionNA
Data scoreB
Coordinates39.3775, -105.19641
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.COLORADO DIV. MINES ANNUAL OPERATORS REPTS.