Precise 40'AR'-39'AR' geochronology on dykes and lavas from Parana floods basalt province with implications for chemical stratigraphy and the duration of magmatism - Mantovani, Marta Silvia Maria; Kelley, S; Turner, S; Hawkesworth, C J; Regelous, M; Garland, F (General Assembly of the Iavcei, 1993)