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New palynostratigraphic data of the Irati (Assistência Member) and the Corumbataí formations, Paraná Basin, Brazil, and correlation with other south American basins

2020-10Journal article Open access
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dc.contributor.authorRocha, H.V.
dc.contributor.authorMendes, Márcia
dc.contributor.authorPereira, Zélia
dc.contributor.authorRodrigues, C.
dc.contributor.authorLopes, Gilda
dc.contributor.authorSant'Anna, L.G.
dc.contributor.authorTassinari, Colombo C. G.
dc.contributor.authorSousa, M.J. Lemos de
dc.date.accessioned2020-12-14T18:43:07Z
dc.date.available2024-12-01T01:30:44Z
dc.date.issued2020-10
dc.date.updated2020-12-07T10:23:33Z
dc.description.abstractABSTRACT: This research presents the palynostratigraphy of organic-rich shales from the Irati and the Corumbataí formations, Paraná Basin (PB), Southeastern Brazil, as part of an unconventional hydrocarbon source rock and CO2 reservoir assessment study. Thirty-four samples from the Corumbataí Formation and the Assistência Member of the Irati Formation were collected in the states of Goiás (northern border of the PB), São Paulo and Paraná (eastern and southern border of the PB, respectively). The acquired data allowed to establish a comprehensive palynostratigraphic study across the basin where a total of 18 pollen genera (34 pollen species), seven spore genera, four microplankton genera (1 species), and Chlorophyceae algae species where identified. The palynostratigraphic analysis also reveals a clear dominance of bisaccate pollen grains such as Corisaccites alutas, Lueckisporites virkkiae, and Weylandites lucifer. The Lueckisporites virkkiae zone was identified in the upper part of the Irati Formation (Assistência Member) and the lowermost part of the Corumbataí Formation, indicating a Kungurian to Roadian age for this part of the succession. Differences in the Guttulapollenites hannonicus and Tornopollenites toreutos biostratigraphic ranges, recovered in the Corumbataí Formation, suggest an earlier development of these species in the Paraná Basin during the middle Permian. Therefore, to evaluate the differences in the first occurrences of key species within the Paraná Basin, a close palynostratigraphic correlation between the main Guadalupian-Lopingian South American Gondwana basins is tentatively established.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationRocha, H.V... [et.al.] - New palynostratigraphic data of the Irati (Assistência Member) and the Corumbataí formations, Paraná Basin, Brazil, and correlation with other south American basins. In: Journal of South American Earth Sciences, 2020, Vol.102, article nº 102631pt_PT
dc.identifier.doi10.1016/j.jsames.2020.102631pt_PT
dc.identifier.issn0895-9811
dc.identifier.slugcv-prod-2107302
dc.identifier.urihttp://hdl.handle.net/10400.9/3512
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relation.publisherversionhttps://doi.org/10.1016/j.jsames.2020.102631pt_PT
dc.subjectPalinologiapt_PT
dc.subjectPalinostratigrafiapt_PT
dc.subjectEsporospt_PT
dc.subjectPólenpt_PT
dc.titleNew palynostratigraphic data of the Irati (Assistência Member) and the Corumbataí formations, Paraná Basin, Brazil, and correlation with other south American basinspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleJournal of South American Earth Sciencespt_PT
oaire.citation.volume102pt_PT
person.familyNameSilva Mendes
person.familyNamePereira
person.familyNameLopes
person.givenNameMárcia Cristina
person.givenNameZélia
person.givenNameGilda
person.identifier.ciencia-idE71E-1CB5-D774
person.identifier.ciencia-id6C1B-ED1C-8F5D
person.identifier.ciencia-id6115-5FB8-F2D6
person.identifier.orcid0000-0003-2290-891X
person.identifier.orcid0000-0003-3056-6219
person.identifier.orcid0000-0002-6866-5127
rcaap.cv.cienciaid6C1B-ED1C-8F5D | Zélia Pereira
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication62179ed8-3ffe-4060-8b9c-e29e4f3e0d27
relation.isAuthorOfPublication5d2bf797-f915-4f53-ae53-166dedd0845a
relation.isAuthorOfPublicationc8db1b88-6ddc-43bb-b428-2c63d4046300
relation.isAuthorOfPublication.latestForDiscovery5d2bf797-f915-4f53-ae53-166dedd0845a

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