LCT-SUITE PEGMATITE WITH LATE-STAGE SODIUM ENRICHMENT, BRAZIL LAKE, YARMOUTH COUNTY, NOVA SCOTIA. I. GEOLOGICAL...J. KONTAK§ Nova Scotia Department of Natural Resources, P.O. Box 698, Halifax, Nova Scotia B3J 2T9, Canada...Canada Abstract The Brazil Lake pegmatite, in Yarmouth County, Nova Scotia, enriched in Li, Ta and Rb...conforms to the LCT-suite classification. The pegmatite group, dominated by two subvertical sheets, is...395 Ma for the pegmatite equates to an amagmatic event in this part of southern Nova Scotia, but given its |