Mine detail: Star Girl Mine

Previously called 'Colorado Feldspar Company Mine?'

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Location

Lat / long:

38.70111, -105.48058

Resource(N)

Primary:	Feldspar, Mica
Ore:	Microcline, Muscovite

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer

Geology

Host rock:	Biotite Gneiss, Migmatitic Gneiss
Host type:	Gneiss
Structure:	Thirtynine Mile Volcanic Field, Currant Creek Fault Zone
Tectonic:	Central Cordillera, Southern Rocky Mountains

References

MRDS	D004943
DEP	10010885
Reference	{Deposit:: MINOBRAS 1974}{Deposit:: HANLEY HEINRICH AND PAGE 1950, PEGMATITES IN COLORADO, WYOMING AND UTAH 1942-44, USGS PROFESSIONAL PAPER 227 P.50-51}{Deposit:: WOBUS, R.A., EPIS, R.C. AND SCOTT, G.R., 1979, GEOLOGIC MAP OF THE COVER MOUNTAIN QUADRANGLE, FREMONT, PARK, AND TELLER COUNTIES, COLORADO: USGS MAP I-1179, 1:62,500.}
Reporter	Foord, Suzann C, Collins, Donna B.