Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/5067
Título: New insights on the Hirnantian palynostratigraphy of the rio Ceira section, Buçaco, Portugal
Autor: Lopes, Gilda
Vaz, Nuno
Sequeira, A. J. D.
Piçarra, J. M.
Fernandes, Paulo
Pereira, Zélia
Palavras-chave: Ordovician
Buçaco Syncline
Rio Ceira Section
Hirnantian
Acritarchs
Cryptospores
Data: 2011
Editora: Instituto Geologico y Minero de Espana
Citação: Lopes, Gilda; Nuno Vaz; Sequeira, A.J.D.; Piçarra, J.M.; Fernandes, Paulo; Pereira, Zélia. New Insights on the Hirnantian Palynostratigraphy of the rio Ceira section, Buçaco, Portugal, Trabalho apresentado em Ordovician of the World, In Cuadernos del Museo Geominero, Instituto Geologico y Minero de Espana, Madrid, 2011.
Resumo: The Lower Palaeozoic successions of Portugal are well represented in the Central Iberian Zone (Cll), one of the main tectonostratigraphic domains of the Iberian Massif. Located in the CIZ, the Bu<;aco Syncline presents one of its most complete Palaeozoic sequences. With a NW-SE orientation, the Lower Palaeozoic lithostratigraphic succession, includes several Ordovician units that ranges from the Lower Ordovician (Tremadocian stage) to the Upper Ordovician (Hirnantian stage) and are unconformably overlain by the Silurian Sazes Formation, at least of Wenlock and Ludlow epochs, in the Rio Ceira Section (Fig.1). This sequence is also well known by its rich palaeontological content in macrofauna (e.g. trilobites, briozoans, echinoderms, ostracods, brachiopods, graptolites) and microfauna (conodonts, chitinozoans, acritarchs) (Delgado, 1908; Henry and Thadeu, 1971; Mitchell, 1974; Henry et al., 1974, 1976; ElaouadDebbaj, 1978; Henry, 1980; Paris, 1979, 1981; Romano, 1982; Romano et aI., 1986; Young, 1985, 1987, 1988,1989).
Peer review: yes
URI: http://hdl.handle.net/10400.1/5067
ISBN: 978-84-7840-857-3
Aparece nas colecções:CIM4-Vários

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