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Lower Devonian faunas and palynomorphs from the Dornes Syncline, Central Iberiam Zone, Portugal : stratigraphical and paleogeographical implications
Orientador(es)
Resumo(s)
In the Dornes syncline, southern Central Iberian Zone, Portugal, the uppermost levels of the Serra do Luação Formation up to now
have been considered to be of Pridoli-Lochkovian? age because they lie immediately under the Dornes Formation, which is of
Pragian age and is well defined stratigraphically. New paleontological elements including benthic faunas and palynomorphs allow us
to confirm that the top of the Serra do Luação Formation is securely Lochkovian, for upper Lochkovian strata are present although
relatively thin. The transition from the Serra do Luação to the Dornes formations and their lithostratigraphical relationship are now
clear: the terrigenous succession belongs in the Serra do Luação Formation and the limestones represent the Dornes Formation.
The benthic faunas clearly have North-Gondwanan affinities.
Descrição
Palavras-chave
Paleogeografia Fauna fóssil Palinomorfos Braquiópodes Corais Devónico inferior Sinclinal de Dornes (Portugal) Zona Centro Ibérica Portugal
Contexto Educativo
Citação
Gourvennec, Rémi; Piçarra, José Manuel; Plusquellec, Yves; Pereira, Zélia; Oliveira, José Tomás; Robardet, Michel -Lower Devonian faunas and palynomorphs from the Dornes Syncline, Central Iberiam Zone, Portugal : stratigraphical and paleogeographical implications. In: Carnets de Géologie / Notebooks on Geology, Brest, Article 2010/09 (CG2010:A09)