Mine detail: Famous Lode Mica Prospect

Previously called 'Little Joe From Kokomo Claim AdjoiningFamous Lodge Pegmatites'

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Location

Lat / long:

38.74861, -105.49225

Resource(B)

Primary:	Mica, Feldspar
Secondary:	Tantalum, REE, Niobium (Columbium)
Tertiary:	Tungsten
Ore:	Euxenite, Monazite, Muscovite, Scheelite
Gangue:	Cordierite, Kyanite, Sillimanite, Spinel, Vesuvianite
Orebody form:	LENSOID
Discovery year:	1944

Production

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

Geology

Host rock:	Biotite Gneiss
Host type:	Gneiss
Associated rock:	Granodiorite Of Boulder Creek Age
Associated type:	Diorite
Structure:	Southern Front Range, Thirtynine Mile Volcanic Field, Ne-Trending Fault
Tectonic:	Central Cordillera (Southern Rocky Mountains)

References

MRDS	D010527
DEP	10013953
Reference	{Deposit:: HANLEY, J.B., HEINRICH, E.W., PAGE, L.R., 1950, PEGMATITE INVESTIGA TIONS IN COLORADO, WYOMING, AND UTAH, 1942-1944: USGS PROFESSIONAL PAP ER 227, P. 105}{Deposit:: WOBUS, R.A. AND EPIS, R.C., 1978, GEOLOGIC MAP OF THE FLORISSANT 15 -MINUTE QUADRANGLE, PARK AND TELLER COUNTIES, COLORADO: USGS MAP I-104 4, 1:62,500.}{Deposit:: LEMMON, D.M. AND TWETO, O.L., 1962, TUNGSTEN IN THE UNITED STATES: USGS MAP MR-25, 1:500,000.}{Deposit:: WOBUS, R.A., EPIS, R.C., SCOTT, G.R., 1979, GEOLOGIC MAP OF THE COV ER MOUNTAIN QUADRANGLE, FREMONT, PARK, AND TELLER COUNTIES, COLORADO: USGS MAP I-1179, 1:62,500.}{Deposit:: VANDERWILT, J.W., 1947, MINERAL RESOURCES OF COLORADO: COLORADO MIN ERAL RESOURCES BOARD, P. 469.}{Deposit:: DEL RIO, S.M., 1960, MINERAL RESOURCES OF COLORADO; FIRST SEQUEL: C OLORADO MINERAL RESOURCES BOARD, P. 240}
Reporter	Collins, Donna B.