NexGen Announces Elite Environmental and Economic Results from the Rook I Feasibility Study News provided by Share this article VANCOUVER, BC, Feb. 22, 2021 /PRNewswire/ - NexGen Energy Ltd. ("NexGen" or the "Company") (TSX: NXE) (NYSE: NXE) is pleased to announce the positive results of an independent Feasibility Study ("FS" or the "Study"), Mineral Reserve and Mineral Resource update of the basement-hosted Arrow Deposit, located on the Company's 100% owned Rook I project ("Arrow" or the "Project") in the Athabasca Basin in Saskatchewan, Canada. The FS was completed jointly by leading co...