Organic facies and palynology from the middle to late Devonian of the Pimenteiras Formation, Parnaíba Basin, Brazil

Andrade, Cyntia; Cardoso, Tereza Regina Machado; Santos, Rafael Regueira; Dino, Rodolfo; Machado, Altair de Jesus

doi:10.1016/j.jsames.2019.102481

Cited by 15 publications

(5 citation statements)

References 18 publications

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“…This younger interval of the formation is hitherto unknown in the eastern outcrop belt of the Parnaíba Basin (Melo, 1988). Similar ages for the upper levels of the Pimenteiras Formation were also obtained recentlty by Andrade et al (2020) on the western edge of the basin. The overlying Cabeças Formation was established by Plummer (1948).…”

Section: Overviewsupporting

confidence: 78%

“…4.2.1.2. International correlations. Umbellasphaeridium saharicum, also recently registered by Andrade et al (2020) in the upper levels of the Pimenteiras Formation in the southwestern border of the Parnaíba Basin, while never abundant, is of interest in the zone-as a complement to the eponymous species and other key taxa-because of its stratigraphic value as an Upper Devonian index in the Brazilian Palaeozoic basins (see also Melo, 2005). It is consistent with the Frasnian through Strunian (Zones L5-L7) range of the species in the Algerian Sahara (Jardiné, 1972;Jardiné et al, 1974).…”

Section: First Assemblagementioning

confidence: 93%

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Palynology and geochemistry of the Frasnian global transgression in the Parnaíba Basin, Brazil

Steemans

Pereira

Hérissé

et al. 2021

Review of Palaeobotany and Palynology

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An integrated palynological and geochemical approach has been initiated to date and to precise the geochemical events of the Pimenteiras Formation, in the Late Devonian from the Parnaíba Basin, Brazil. Based on good biostratigraphic markers and presence of index species among miospores, acritarchs and chitinozoa, the investigated sequences are referred to the Middle to early Late Frasnian. Among Miospores, Chelinospora concinna and Verrucosisporites bulliferus are likely to be from the BPi Interval Zone defined in the Amazon Basin. Chitinozoans of the Early to early Late Frasnian Angochitina (Lagenochitina) avelinoi zone of the Parnaíba Basin are present, and acritarch assemblages are also consistent with a Middle to early Late Frasnian age, by comparison to assemblages previously described in other Brazilian basins. Some important accompanying species of palynomorphs are illustrated. In the studied outcrops, black shale intervals are referred to top of the Radioactive Sale B and Radioactive Shale C according to Rodrigues (1995) definitions. Top of Radioactive Shale B shows good concentration of terrestrial organic matter, but low potential source of gas. By comparison Radioactive Shale C of the upper part of the Pimenteiras Formation, with important concentration of marine organic matter have low to high potential as source of gas and condensate. This study shows that a progressive flooding took place during the Devonian period in the Parnaíba Basin with maximum marine transgression in the Frasnian. These global events of interest for hydrocarbon exploration, are regarded as markers for Gondwanan regional chronostratigraphic correlations.

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Section: Overviewsupporting

confidence: 78%

Section: First Assemblagementioning

confidence: 93%

Palynology and geochemistry of the Frasnian global transgression in the Parnaíba Basin, Brazil

Steemans

Pereira

Hérissé

et al. 2021

Review of Palaeobotany and Palynology

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“…The identified phytoclasts are terrestrially derived, suggesting freshwater influx in the palaeoenvironemt (De Andrade et al, 2019;Kemp, et al, 2019) This supports the idea of a mixture of marine and terrestrial organic matter for the Assistência Member. The size and well preserved biostructure of phytoclasts suggest that these can be either resistent to physical abrasion or fungal degradation (Hart, 1986), or attributed to a low-energy palaeoenvironment (Whitaker et al, 1992).…”

Section: )supporting

confidence: 72%

CO2 geological storage in organic-rich shales of the Irati Formation, Paraná Basin, Brazil

Rocha¹

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Agradeço primeiramente aos professores e pesquisadores que contribuíram com meu aprendizado e formação ao longo do doutoramento. Tive a oportunidade de trabalhar com os melhores profissionais de minha área de pesquisa na atualidade e sou muito grata por tudo que aprendi e pelo contato com pessoas tão admiráveis que me inspiraram a seguir na pesquisa.Dentre estes, agradeço principalmente ao Professor Colombo Tassinari, meu orientador desde o mestrado e a quem devo tudo que construí ao longo de minha formação acadêmica.À minha orientadora, Professora Lucy Sant'Anna, que foi minha principal fonte de apoio ao longo do doutorado e com quem aprendi a ser pesquisadora.Aos professores Cristina Rodrigues e Lemos de Sousa, que foram fundamentais para a conclusão do doutoramento por todo conhecimento e experiência com o tema de pesquisa.Aos professores e pesquisadores,

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“…The Paleozoic basins in Brazil (Parnaiba, Parana, and Solimões) have potential strata for the recognition of hydrocarbon generation concerning atypical petroleum systems (Rodrigues, 1995;Ara ujo, 2015;Souza et al, 2017;Miranda et al, 2018;Cioccari and Mizusaki, 2019). These basins have been discussed by many authors (Rodrigues, 1995;Sousa, 1996;Milani et al, 2001;Vaz et al, 2007;Thomaz Filho et al, 2008;Fernandes, 2011;Miranda, 2014;Ara ujo, 2015;Souza et al, 2017;Miranda et al, 2018;Cioccari and Mizusaki, 2019;Goulart et al, 2019;Andrade et al, 2020), some of which suggested that the maturation of the organic matter has been frequently influenced by igneous intrusions occurred in the basin. The contribution of the igneous intrusions at the maturation of organic matter in an atypical petroleum system has been the subject of study and discussion by many authors in this basin, as previously mentioned.…”

Section: Introductionmentioning

confidence: 99%

“…All of these were unanimous in recognizing the contribution of the igneous intrusions at the maturation of organic matter. Additionally, the transgressive-regressive cycles occurred in Devonian periods and the thermal maturation contributed to the occurrence of kerogen type II and III (Ara ujo, 2015;Souza et al, 2017;Miranda et al, 2018;Andrade et al, 2020), with potential for hydrocarbon generation. Goulart et al (2019) observed a thermogenic and methane anomalies associated with gas chimney (GCs) in a part of the Parnaiba Basin (northeast and south) probably due to the presence of faults related to the Transbrasiliano Lineament (TL).…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the hydrocarbon generation potential of the Pimenteiras Formation, Parnaiba Basin (Brazil) based on total organic carbon content and Rock-Eval pyrolysis data

Mussa

Kalkreuth

Mizusaki

et al. 2020

Energy Exploration & Exploitation

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The Parnaiba Basin is a Paleozoic to Mesozoic intraplate volcano-sedimentary basin where the Pimenteiras Formation (Devonian) is the main sequence with potential of hydrocarbon generation, mostly natural gas. The present paper evaluates the potential of hydrocarbon generation of Pimenteiras Formation based on Total Organic Carbon (TOC) and Rock-Eval pyrolysis parameters. In this work, 1077 shale samples of the Pimenteiras Formation distributed in 32 wells were evaluated. The TOC content varies between 0.1 to 4.7 wt.%, partially reflecting the accumulation and preservation rates of the organic matter in marine and coastal depositional environments controlled by regressive-transgressive cycles. The oxic and anoxic conditions vary significantly with deposition in this situation, which were evidenced by HI and OI variations through sample profiles. In the north and center of the basin, the Pimenteiras Formation has a higher potential for hydrocarbon generation relative to the south, probably due to higher anoxic conditions during deposition. The Hydrogen Index indicates the predominance of kerogen types II and III with minor occurrences of types I and IV. The Tmax values indicate general immature conditions and locally postmature, where the lowest temperatures represent the basin´s burial history, whereas the higher ones were influenced by igneous intrusions and thermogenic anomalies related to the Transbrasiliano Lineament. In addition, the excessive heat around the intrusions altered the Rock-Eval pyrolysis parameters as well as the type of organic matter, resulting in a relative increase of the kerogen types III and IV, which explains the great potential for gas generation in this basin.

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Organic facies and palynology from the middle to late Devonian of the Pimenteiras Formation, Parnaíba Basin, Brazil

Cited by 15 publications

References 18 publications

Palynology and geochemistry of the Frasnian global transgression in the Parnaíba Basin, Brazil

Palynology and geochemistry of the Frasnian global transgression in the Parnaíba Basin, Brazil

CO2 geological storage in organic-rich shales of the Irati Formation, Paraná Basin, Brazil

Evaluation of the hydrocarbon generation potential of the Pimenteiras Formation, Parnaiba Basin (Brazil) based on total organic carbon content and Rock-Eval pyrolysis data

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