Reference | {Deposit:: ESPENSHADE, G. H., AND POTTER, D. B., 1960, KYANITE, SILLIMANITE, AND ANDALUSITE DEPOSITS OF THE SOUTHEASTERN STATES: U.S. GEOLOGICAL SURVEY PROF. PAPER 336., 121 P.}{Deposit:: JONAS, A.I. AND WATKINS, J.H., 1932, KYANITE IN VIRGINIA: VIRGINIA GEOL. SURV. BULL. 38, 52 P.} |