Mine detail: Judy Ann Mine

Previously called ''

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Location

Lat / long:

39.38333, -105.20225

Resource(B)

Primary:	Quartz, Mica, Feldspar
Secondary:	Fluorine-Fluorite, REE
Ore:	Fluorite, Gadolinite, Muscovite, Quartz
Gangue:	Topaz

Production

Operation type:	Unknown
Production size:	None
Development status:	Occurrence

Geology

Host rock:	Pegmatite;Pikes Peak Granite
Host type:	Pegmatite
Associated rock:	Pegmatite;Pikes Peak Granite
Associated type:	Pegmatite,Granite
Structure:	Front Range Uplift, Pikes Peak Batholith, Kennedy Gulch Fault Zone
Tectonic:	Central Cordillera (Southern Rocky Mtns)

References

MRDS	D010172
DEP	10013722
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:: USBM MIN. EXAM. REPT. OF 4/6/59 (FROM ORIGINAL CRIB RECORD)}
Reporter	Schwochow, Stephen D.