2014
DOI: 10.18190/1980-8208/estudosgeologicos.v24n1p53-64
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Análise tafonômica e taxonômica da concentração de invertebrados fósseis do topo da Formação Romualdo, cretáceo inferior da Bacia do Araripe em Araripe, Ceará (CE).

Abstract: Na Bacia Sedimentar do Araripe, as rochas que caracterizam a Formação Romualdo, Neoaptiano-Eoalbiano (Cretáceo Inferior), tiveram sua deposição em ambiente lagunar com influência marinha. No distrito de Brejinho, porção noroeste da bacia, município de Araripe (CE), foi encontrado um afloramento da Formação Romualdo, com concentração de conchas de moluscos (gastrópodes e biválvios) que possibilitou estudos tafonômicos. Nesse local, realizou-se: (1) coletas, seguindo procedimentos tafonômicos, (2) análises tafon… Show more

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Cited by 10 publications
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“…2 and 3) were identified. These are the same as were seen in the Canastra site, also in the Araripina municipality by Prado et al (2013). The taphofacies suggest that the deposition occurred in storm flows, initially distal (Tg1), but later becoming proximal (Tg2 and Tg3), possibly related to a reduction in depth connected to a regression.…”
Section: The Paleoenvironmental Interpretation Of the Torre Grande Fosupporting
confidence: 75%
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“…2 and 3) were identified. These are the same as were seen in the Canastra site, also in the Araripina municipality by Prado et al (2013). The taphofacies suggest that the deposition occurred in storm flows, initially distal (Tg1), but later becoming proximal (Tg2 and Tg3), possibly related to a reduction in depth connected to a regression.…”
Section: The Paleoenvironmental Interpretation Of the Torre Grande Fosupporting
confidence: 75%
“…in the Santana do Cariri municipality in northeastern portion of the Araripe Basin. The occurrence of autochthonous echinoids as seen within tempestites, restricted to the Araripina municipality in Pernambuco (Prado et al, 2013) suggests deposition in distal areas of a shallow marine environment. Lithofaciological and temporal similarities between supposedly marine formations in Araripe and the Codó Formation in Parnaíba lend wait to this idea (Beurlen, 1963(Beurlen, , 1966(Beurlen, , 1971Braun, 1966apud Lima, 1978Arai et al, 1994;Sales 2005).…”
Section: Introductionmentioning
confidence: 99%
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“…Entretanto, a diferença da composição taxonômica em cada uma das concentrações indica que haveria micro-hábitats, cujas características paleoambientais favoreceriam o desenvolvimento de um determinado grupo biológico em detrimento de outros (Sales, 2005;Prado et al, 2014Prado et al, , 2015Prado et al, , 2016 A Tabela 3 apresenta a ocorrência e percentual das espécies por afloramento analisado.…”
Section: Aspectos Paleoambientais Das Associações De Invertebrados Daunclassified