2013
DOI: 10.11137/2013_1_15_25
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Caracterização Geoquímica e Bioestratigráfica das Superfícies de Inundação Marinha da Seção Meso-Neodevoniana, na Região de Dom Aquino (MT), Noroeste da Bacia do Paraná, Brasil

Abstract: ResumoO evento anóxico global do Frasniano está bem caracterizado na Bacia do Paraná na porção superior da Formação Ponta Grossa por folhelhos escuros carbonosos ricos em matéria orgânica. Esses folhelhos são encontrados em uma seção da Formação Ponta Grossa de idade Meso-Neodevoniana, onde os folhelhos apresentam a assinatura da transição Givetiano-Frasniano e, também, o progressivo afogamento da sequência devoniana na bacia. Por meio dos dados geoquímicos e bioestratigráficos obtidos da seção acima referida,… Show more

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Cited by 9 publications
(4 citation statements)
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“…Similar characteristics were recorded by Filipiak (2002) for the FeF boundary in southern Poland and were interpreted as distal marine environment dysoxic-anoxic conditions. The abrupt increase of marine elements in the Frasnian, here termed the "Maranhites Event", has been recorded by other authors (e.g., Daemon et al, 1967;Rodrigues et al, 1995;Paris et al, 1996;Dino, 1999;Souza et al, 2013) and may be related to a global sea level rise event and anoxic conditions. The latter may have a direct relationship with deposits of radioactive black shales (e.g., Della F avera, 1990;Rodrigues et al, 1995) at the top of the Pimenteira Formation.…”
Section: Frasnianmentioning
confidence: 91%
See 1 more Smart Citation
“…Similar characteristics were recorded by Filipiak (2002) for the FeF boundary in southern Poland and were interpreted as distal marine environment dysoxic-anoxic conditions. The abrupt increase of marine elements in the Frasnian, here termed the "Maranhites Event", has been recorded by other authors (e.g., Daemon et al, 1967;Rodrigues et al, 1995;Paris et al, 1996;Dino, 1999;Souza et al, 2013) and may be related to a global sea level rise event and anoxic conditions. The latter may have a direct relationship with deposits of radioactive black shales (e.g., Della F avera, 1990;Rodrigues et al, 1995) at the top of the Pimenteira Formation.…”
Section: Frasnianmentioning
confidence: 91%
“…The Devonian sediments were deposited in an epicontinental sea and show evidence of paleoenvironmental changes that can be correlated to both regional and global events, such as a large marine transgression and anoxia during the Frasnian age. This event was also identified in other Brazilian Paleozoic basins (e.g., Rodrigues et al, 1995;Rodrigues, 2001;Souza et al, 2013). Among these basins, the Parnaíba Basin is the most poorly described in terms of geology and paleontology, especially in paleoenvironmental reconstructions.…”
Section: Introductionmentioning
confidence: 88%
“…In the Parnaíba Basin, black-shale intervals with relatively high Total Organic Carbon (TOC) values (>4.0%) are frequently detected in the Devonian section. These geochemical signatures are likely related to the Late Devonian worldwide transgression described in the literature (Lüning et al, 2004;Souza et al, 2013;Bond and Wignall, 2008;Trindade and Carvalho, 2018). Therefore, the present work intends to describe the TOC content excursions recorded in the Devonian section of the Parnaíba Basin and date these excursions by means of palynology, to fit the intervals to the global sea-level curve.…”
Section: Introductionmentioning
confidence: 90%
“…Estudos realizados anteriormente na Formação Ponta Grossa indicam intervalos com matéria orgânica mostrando-se degradada, com querogênio essencialmente do tipo III, exibindo baixo a alto potencial para a geração de hidrocarbonetos (Milani et al, 2007a;Silva, 2007;Souza et al, 2013;Santos, 2017;Muro et al, 2020).…”
Section: Introductionunclassified