	*Lesure, Frank Gardner (1968) Mica deposits of the Blue Ridge in North Carolina. Professional Paper* 577. US Geological Survey doi:10.3133/pp577**	Report (issue)
	Mica Deposits of the Blue Ridge in North Carolina GEOLOGICAL SURVEY PROFESSIONAL PAPER 577 Work done...done in part in cooperation with the North Carolina Department of Conservation and Development and in part...Administration Mica Deposits of the Blue Ridge in North Carolina By FRANK G. LESURE GEOLOGICAL SURVEY PROFESSIONAL... Work done in part in cooperation with the North Carolina Department of Conservation and Development... Geologic map of part of the Blue Ridge of North Carolina and Tennessee. 2-6. Maps showing location of
	Jahns, Richard H., Lancaster, Forrest W. (1950) Physical characteristics of commercial sheet muscovite in the southeastern United States. Professional Paper 225. US Geological Survey doi:10.3133/pp225	Report (issue)
	under a cooperative agreement with the State of North Carolina and the Tennessee Valley Authority Physical...under a cooperative agreement with the State of North Carolina and the Tennessee Falley Authority UNITED...Production of sheet and punch mica, 1912-14, in North Carolina, the Southeastern States, and the entire United...data for mica specimens, arranged by lot and by mine or prospect-_-___--_-___-_-.___---___-_____--_ Results..._______________ 13. Test data for mica (not identified by mine), taken from the production line of the Colonial

Plagioclase from Ayles Creek Mine, Yancey County, North Carolina, USA