The fate of a neoproterozoic intracratonic marine basin: trace elements, toc and iron speciation geochemistry of The Bambuí Basin, Brazil
Autor(a) principal: | |
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Data de Publicação: | 2018 |
Tipo de documento: | Dissertação |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFMG |
Texto Completo: | http://hdl.handle.net/1843/42621 |
Resumo: | CNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico |
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Fabrício de Andrade Caxitohttp://lattes.cnpq.br/0090865315012529Gabriel Jubé UhleinIsaac Daniel Rudnnzkihttp://lattes.cnpq.br/1935390156159306João Pedro Torrezani Martins Hippertt2022-06-23T16:29:05Z2022-06-23T16:29:05Z2018-06-28http://hdl.handle.net/1843/42621CNPq - Conselho Nacional de Desenvolvimento Científico e TecnológicoFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas GeraisCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível SuperiorNeoproterozoic marine systems are associated with major paleoecological changes that took place during the Ediacaran-Cambrian transition. During this timespan, the Bambuí basin located on east Brazil held a peculiar paleoenvironmental scenario. Due to its intracratonic evolution, the basin was partially disconnected from neighboring open marine systems. This isolated evolution rises a very interesting opportunity to understand how an isolated Neoproterozoic marine system evolved in contrast with regular open marine systems that ultimately evolved into the Cambrian Ecosystem. To understand the paleoenvironmental changes that took place in the Bambuí basin, we investigate the pre- glaciogenic deposits of Carrancas Formation and the post-glaciogenic mixed (Shale-Carbonate) successions of the Bambuí Group. Through the analysis of iron speciation, TOC, provenance, rare earthtrace elements data, and 13C and 18O analyses, our studies suggest a very complex environmental evolution. Firstly, our samples are marked by strong contamination of detrital continental material that can be related to an increased bioproductivity on both Carrancas Fm. and lower Bambuí group stratigraphic units, though provenance data show that all studied sediments probably share a common source rock, which likely changed the rare earth and trace elements contents of our samples. Iron speciation data, Ce anomalies and RSE enrichments shows that Lower Bambuí group stratigraphic units were likely deposited in an open marine scenario featuring high bioproductivity on shallow waters and euxinic incursions on predominant anoxic/ferruginous bottom waters. On the other hand, upper Bambuí stratigraphic units register a marine evolution in a restricted scenario, where anoxic ferruginous conditions probably reached surface waters. Finally, our data show that the lack of oceanic connection prevent the re-supply of marine sulfate, RSE, bionutrients such as Ba and ultimately of dissolved oxygen which may have decreased biological activity and probably damaged biological evolution, preventing the rise of a typical modern-like Cambrian ecosystem. In this sense, our data suggest that oceanic connectivity and proper re-supply of inorganic marine input were fundamental keystones in the development of complex life in the Ediacaran-Cambrian transition.engUniversidade Federal de Minas GeraisPrograma de Pós-Graduação em GeologiaUFMGBrasilIGC - INSTITUTO DE GEOCIENCIASGeoquímicaTempo geológicoMapeamento geológicoSão Francisco, Rio, BaciaNeoproterozoic-Cambrian transitionwatermass restrictionRedox sensitive element geochemistrySão Francisco basin;Neoproterozoic oxygenationThe fate of a neoproterozoic intracratonic marine basin: trace elements, toc and iron speciation geochemistry of The Bambuí Basin, Brazilinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFMGinstname:Universidade Federal de Minas Gerais (UFMG)instacron:UFMGORIGINALDissertação_João Pedro Hippertt Final.pdfDissertação_João Pedro Hippertt Final.pdfDissertação João Pedro Hipperttapplication/pdf4293232https://repositorio.ufmg.br/bitstream/1843/42621/3/Disserta%c3%a7%c3%a3o_Jo%c3%a3o%20Pedro%20Hippertt%20Final.pdf8b70fcc4fc754c3e1ff950d3eba8c373MD53LICENSElicense.txtlicense.txttext/plain; charset=utf-82118https://repositorio.ufmg.br/bitstream/1843/42621/4/license.txtcda590c95a0b51b4d15f60c9642ca272MD541843/426212022-06-23 13:29:05.428oai:repositorio.ufmg.br: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ório de PublicaçõesPUBhttps://repositorio.ufmg.br/oaiopendoar:2022-06-23T16:29:05Repositório Institucional da UFMG - Universidade Federal de Minas Gerais (UFMG)false |
dc.title.pt_BR.fl_str_mv |
The fate of a neoproterozoic intracratonic marine basin: trace elements, toc and iron speciation geochemistry of The Bambuí Basin, Brazil |
title |
The fate of a neoproterozoic intracratonic marine basin: trace elements, toc and iron speciation geochemistry of The Bambuí Basin, Brazil |
spellingShingle |
The fate of a neoproterozoic intracratonic marine basin: trace elements, toc and iron speciation geochemistry of The Bambuí Basin, Brazil João Pedro Torrezani Martins Hippertt Neoproterozoic-Cambrian transition watermass restriction Redox sensitive element geochemistry São Francisco basin; Neoproterozoic oxygenation Geoquímica Tempo geológico Mapeamento geológico São Francisco, Rio, Bacia |
title_short |
The fate of a neoproterozoic intracratonic marine basin: trace elements, toc and iron speciation geochemistry of The Bambuí Basin, Brazil |
title_full |
The fate of a neoproterozoic intracratonic marine basin: trace elements, toc and iron speciation geochemistry of The Bambuí Basin, Brazil |
title_fullStr |
The fate of a neoproterozoic intracratonic marine basin: trace elements, toc and iron speciation geochemistry of The Bambuí Basin, Brazil |
title_full_unstemmed |
The fate of a neoproterozoic intracratonic marine basin: trace elements, toc and iron speciation geochemistry of The Bambuí Basin, Brazil |
title_sort |
The fate of a neoproterozoic intracratonic marine basin: trace elements, toc and iron speciation geochemistry of The Bambuí Basin, Brazil |
author |
João Pedro Torrezani Martins Hippertt |
author_facet |
João Pedro Torrezani Martins Hippertt |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Fabrício de Andrade Caxito |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/0090865315012529 |
dc.contributor.referee1.fl_str_mv |
Gabriel Jubé Uhlein |
dc.contributor.referee2.fl_str_mv |
Isaac Daniel Rudnnzki |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/1935390156159306 |
dc.contributor.author.fl_str_mv |
João Pedro Torrezani Martins Hippertt |
contributor_str_mv |
Fabrício de Andrade Caxito Gabriel Jubé Uhlein Isaac Daniel Rudnnzki |
dc.subject.por.fl_str_mv |
Neoproterozoic-Cambrian transition watermass restriction Redox sensitive element geochemistry São Francisco basin; Neoproterozoic oxygenation |
topic |
Neoproterozoic-Cambrian transition watermass restriction Redox sensitive element geochemistry São Francisco basin; Neoproterozoic oxygenation Geoquímica Tempo geológico Mapeamento geológico São Francisco, Rio, Bacia |
dc.subject.other.pt_BR.fl_str_mv |
Geoquímica Tempo geológico Mapeamento geológico São Francisco, Rio, Bacia |
description |
CNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico |
publishDate |
2018 |
dc.date.issued.fl_str_mv |
2018-06-28 |
dc.date.accessioned.fl_str_mv |
2022-06-23T16:29:05Z |
dc.date.available.fl_str_mv |
2022-06-23T16:29:05Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/1843/42621 |
url |
http://hdl.handle.net/1843/42621 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Universidade Federal de Minas Gerais |
dc.publisher.program.fl_str_mv |
Programa de Pós-Graduação em Geologia |
dc.publisher.initials.fl_str_mv |
UFMG |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
IGC - INSTITUTO DE GEOCIENCIAS |
publisher.none.fl_str_mv |
Universidade Federal de Minas Gerais |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da UFMG instname:Universidade Federal de Minas Gerais (UFMG) instacron:UFMG |
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Universidade Federal de Minas Gerais (UFMG) |
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UFMG |
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UFMG |
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Repositório Institucional da UFMG |
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