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Palynology and sequence stratigraphy of three Devonian rock units in the Apucarana Sub-basin (Paraná Basin, south Brazil): Additional data and correlation

2011; Elsevier BV; Volume: 198; Linguagem: Inglês

10.1016/j.revpalbo.2011.10.006

1879-0615

Yngve Grahn, Paula Mendlowicz Mauller, Sérgio Bergamaschi, Elvio Pinto Bosetti,

Paleontology and Evolutionary Biology

The classical Devonian rock units in the Apucarana Sub-basin (Paraná Basin), i.e. Ponta Grossa shales, Tibagi sandstones and São Domingos shales were defined by Oliveira (1912) and Bodziak and Maack (1946). Their original definitions have virtually been neglected in the subsequent literature. Ponta Grossa sensu Oliveira and São Domingos sensu Maack are formally proposed as formations, and Tibagi sensu Oliveira as a member of the São Domingos Formation. Lecto- and parastratotype sections for the Ponta Grossa and São Domingos Formations are defined. Furthermore, a neostratotype section for the Tibagi Member of the São Domingos Formation, as well as reference sections for the base of the Ponta Grossa and São Domingos Formations have been defined. The formations are compared to the revised 3rd order sequence stratigraphy of the Paraná Basin.