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Permian stratigraphy and palynology of the Lower Karoo Group in Mozambique: a 2020 perspective

2021-01Journal article Open access
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dc.contributor.authorLopes, Gilda
dc.contributor.authorPereira, Zélia
dc.contributor.authorFernandes, Paulo
dc.contributor.authorMarques, João
dc.contributor.authorMendes, Márcia
dc.contributor.authorGötz, Annette E.
dc.date.accessioned2021-10-20T14:36:58Z
dc.date.available2021-10-20T14:36:58Z
dc.date.issued2021-01
dc.date.updated2021-05-17T10:56:25Z
dc.description.abstractABSTRACT: In the past decade, the increase in the number of palynological works in Mozambique documents the significance of palynology in dating the late Palaeozoic basins in this region of southwestern Gondwana. The new information gained mainly from the study of the Moatize-Minj ova Coal Basin is the basis for a better understanding of the regional biostratigraphy, as well as of palaeoenvironmental and palaeoclimatic conditions during the Permian. Here we provide a review on the Permian palynostratigraphy and its implications for lithostratigraphic correlation of Lower Karoo basins in Mozambique. The new biostratigraphic information leads to the conclusion that an age update for the lithostratigraphic units established for the Lower Karoo in Mozambique (Virzi, Moatize, and Matinde formations) is most needed. The Cisuralian palynological association in Mozambique is characterized by long-range taxa recorded since the middle Cisuralian (Sakmarian to Artinskian) (Alisporites spp., Cannanoropollis spp., Horriditriletes spp., Laevigatosporites spp., Potonieisporites spp., Protohaploxypinus spp.). Several first occurrences are also recorded in the late Cisuralian (Kungurian) (e. g., Cirratriradites africanensis, Marsupipollenites triradiatus, and Vittatina spp.). The Guadalupian association is mainly characterized by taxa that extend their range since the Cisuralian (e. g., Alisporites spp., Cirratriradites africanensis, Guttulapollenites hannonicus, Horriditriletes ramosus, Kraeuselisporites enormis, Lueckisporites virkkiae, Limitisporites monstruosus, Marsupipollenites striatus, M. triradiatus, Pakhapites fusus, Platysaccus papilionis, Thymospora pseudothiessenii, and Weylandites lucifer), with only few first occurrences (Lueckisporites virkkiae, Striatopodocarpites cancellatus, and S. fusus) and last occurrences (Cirratriradites africanensis, Limitisporites monstruosos) being recorded. The Lopingian palynological association includes most of the taxa described for the Guadalupian. In contrast, Corisaccites alutas, Indotriradites niger, Klausipollenites schaubergeri, Lunatisporites pellucidus, Osmundacidites senectus, Polypodiisporites spp., P. mutabilis, and Protohaploxypinus microcorpus are recorded for the first time. Indication of the proximity to the Permian-Triassic Boundary is supported by the occurrence of Klausipollenites schaubergeri, Protohaploxypinus microcorpus, and Osmundacidites senectus in the upper part of the Matinde Formation. Based on the palynological data, the oldest rock unit, the Virzi Formation, was deposited in the Permian (middle Cisuralian), and no older sedimentary rocks are currently known for the Lower Karoo Group in Mozambique. The palynological associations described also indicate that the Authors' deposition of the Moatize Formation occurred from the middle Cisuralian to the latest Guadalupian/early Lopingian, whilst the deposition of the Matinde Formation lasted from the late Guadalupian to the latest Lopingian. Thus, the boundary between both formations is assumed to be diachronous.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationLopes, Gilda... [et.al.] - Permian stratigraphy and palynology of the Lower Karoo Group in Mozambique: a 2020 perspective. In: Newsletters on Stratigraphy, 2021, Vol. 54 (3), p. 335-362pt_PT
dc.identifier.doi10.1127/nos/2021/0618pt_PT
dc.identifier.issn0078-0421
dc.identifier.slugcv-prod-2355648
dc.identifier.urihttp://hdl.handle.net/10400.9/3589
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherGebrüder Borntraegerpt_PT
dc.relationPermian-Triassic palaeoclimatic cycles of the Karoo Supergroup in Mozambique, and its implications on a changing world
dc.relationCentre for Marine and Environmental Research (CIMA)
dc.relation.publisherversionhttps://doi.org/10.1127/nos/2021/0618pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectPalinologiapt_PT
dc.subjectPalinostratigrafiapt_PT
dc.subjectKaroopt_PT
dc.subjectGondwanapt_PT
dc.subjectMoçambiquept_PT
dc.titlePermian stratigraphy and palynology of the Lower Karoo Group in Mozambique: a 2020 perspectivept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitlePermian-Triassic palaeoclimatic cycles of the Karoo Supergroup in Mozambique, and its implications on a changing world
oaire.awardTitleCentre for Marine and Environmental Research (CIMA)
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FCTA-GEO%2F30082%2F2017/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F00350%2F2020/PT
oaire.citation.endPage362pt_PT
oaire.citation.startPage335pt_PT
oaire.citation.titleNewsletters on Stratigraphypt_PT
oaire.citation.volume54pt_PT
oaire.fundingStream3599-PPCDT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameLopes
person.familyNamePereira
person.familyNameFernandes
person.familyNameSilva Mendes
person.givenNameGilda
person.givenNameZélia
person.givenNamePaulo
person.givenNameMárcia Cristina
person.identifier422469
person.identifier.ciencia-id6115-5FB8-F2D6
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person.identifier.ciencia-id051D-A133-65D9
person.identifier.ciencia-idE71E-1CB5-D774
person.identifier.orcid0000-0002-6866-5127
person.identifier.orcid0000-0003-3056-6219
person.identifier.orcid0000-0003-4888-0230
person.identifier.orcid0000-0003-2290-891X
person.identifier.ridJ-6577-2014
person.identifier.scopus-author-id57197129025
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.cv.cienciaid6C1B-ED1C-8F5D | Zélia Pereira
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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