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40Ar-39Ar and U-Pb age constraints on the Triassic-Jurassic and Norian-Rhaetian boundaries, northern Vancouver Island,
; Nixon, G T; Friedman, R M; Archibald, D A; Orchard, M J; Tozer, E T; in, The Global Triassic
; Lucas, S G (ed.); Spielmann, J A (ed.). Bulletin of the New Mexico Museum of Natural History and Science vol. 41, 2007, 1
pages (ESS Cont.# 20070045)