Mine detail: Little Patsy Mine

Previously called 'Patsy MineClaim: Little Patsy'

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Location

Lat / long: 39.41055, -105.2303

Resource(B)

Primary: Feldspar, Quartz
Secondary: Fluorine-Fluorite, REE
Tertiary: Thorium, Niobium (Columbium), Tantalum
Ore: Quartz
Gangue: Biotite, Cleavelandite, Fergusonite, Muscovite, Sericite, Thorite
Orebody form: CIRCULAR

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
Last production ended: 1967

Geology

Host rock:Pikes Peak Granite;Pegmatite
Host type:Pegmatite
Associated rock:Pikes Peak Granite;Pegmatite
Associated type:Pegmatite,Granite
Structure:Front Range Uplift, Pikes Peak Batholith, Pine Gulch Fault
Tectonic:Central Cordillera (Southern Rocky Mtns)
Alteration processes:Perthite Replaced By Cleavelandite; Biotite By Hematite; Possible Hydration Of Cyrtolite-Thorite; Partial Replacement Of Fluorite By Yttrofluorite; Minor Sericite.

References

MRDSD010171
DEP10087820
Reference{Deposit:: SIMMONS, W.B., AND HEINRICH, E.W., 1980, RARE-EARTH PEGMATITES OF THE SOUTH PLATTE DISTRICT, COLORADO: CGS RESOURCE SER. 11, 131 P.}{Deposit:: PETERSON, W.L., 1964, GEOLOGY OF THE PLATTE CANYON QUADRANGLE, COLORADO: USGS BULL. 1181-C, 23 P., 1 PL.}{Deposit:: 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.}{Production:: COLORADO DIVISION OF MINES ANNUAL OPERATORS REPTS.}
ReporterSchwochow, Stephen D., Spanski, Gregory T.