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Title: O pórfiro dacítico de Valverde (Alcácer do Sal) idade Rb-Sr e suas implicações
Authors: Pinto Coelho, A. V.
Abranches, Cecília
Canilho, M. H.
Keywords: Dacite
Rb-Sr age
Upper Carboniferous
Valverde (Alcácer do Sal)
Issue Date: 13-Aug-2008
Abstract: The unexpected discovery of a small outcrop of igneous rock isolated within an extensive outcrop of Neogene and Quaternary sediments called for the attention of CEPUNL's researchers. The rock is a dacite whose Rb-Sr age (C. A. and M. H. C.) is 291 M. y. upper Carboniferous. Hence the dacite may be related to volcanism in the Santa Suzana tectonic basin.
Appears in Collections:FCT: DCT - Ciências da Terra

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