Depositional, diagenetic and stratigraphic aspects of microfacies from Riachuelo Formation, Albian, Sergipe Basin, Brazil
Autor(a) principal: | |
---|---|
Data de Publicação: | 2013 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFS |
Texto Completo: | https://ri.ufs.br/handle/riufs/1362 |
Resumo: | As rochas da Formação Riachuelo, Bacia de Sergipe, Brasil, representam um exemplo de sedimentação carbonática relacionada à fase drift, durante a abertura do oceano Atlântico Sul. As pedreiras Carapeba e Brejo exibem os melhores afloramentos onshore da seção carbonática drift em toda margem continental brasileira. Estudos de campo e análises microfaciológicas da seção sedimentar aflorante evidenciaram seis tipos de depósitos sedimentares relacionados à fisiografia de uma plataforma carbonática. Depósitos proximais mistos são representados por dolomitos ricos em terrígenos. Níveis alternados de arenitos e siltitos são aqui relacionados às fácies distais de leques subaquosos. Mudstones com miliolídeos e textularídeos representam ambiente lagunar em plataforma média, semirrestrita. Packstones, grainstones e eventualmente wackestones com oncólitos, intraclastos e peloides representam depósitos sedimentares relacionados à retaguarda de bancos arenosos rasos e ambientes na interface com a laguna. Grainstones com oólitos, oncólitos, intraclastos e bioclastos, com estratificação cruzada acanalada, representam ambiente de shoreface sobre o banco carbonático raso na plataforma externa. Os cimentos e outras feições pós-deposicionais observadas sugeriram diagênese progressiva em quatro ambientes diagenéticos: a) marinho freático com circulação de águas; b) marinho freático com água estagnada; c) meteórico freático; d) ambiente de soterramento. Os pacotes sedimentares formam ciclos de rasamento ascendente, sobrepostos no topo por uma provável superfície transgressiva, o que pode indicar a passagem de um trato de sistema de mar baixo para um trato de sistema transgressivo. _________________________________________________________________________________________ ABSTRACT: The rocks of the Riachuelo Formation, Sergipe Basin, Brazil, represent an example of carbonate sedimentation related to the drift phase during the opening of the South Atlantic Ocean. The Carapeba and Brejo quarries exhibit the best onshore outcrops of the drift carbonate section along the Brazilian continental edge. Field studies and microfacies analysis of the outcropped sedimentary section showed six sedimentary deposits related to the physiography of a carbonate shelf. Proximal mixed deposits are represented by the rich-terrigenous dolostone. Levels with alternate layers of fine grained sandstones and siltstones are here related to distal facies of submarine fans deposits. Mudstones with miliolids and textularids represent a lagoonal environment in a semi-restricted middle shelf. Packstones, grainstones and occasionally wackestones with oncoids, intraclasts and peloids represent sedimentary deposits related to the back of shallow sandy bars and environments at the interface with the lagoon. Grainstones whit ooliths, oncoids, intraclasts and bioclasts, with trough cross-bedding, represent a shallower shoreface environment over the shallow carbonate back on outer shelf. Cements and other post-depositional features suggest four different diagenetic environments: a) marine phreatic diagenetic environment with active water circulation; b) marine phreatic diagenetic environment with stagnant water; c) freshwater phreatic diagenetic environment; d) burial diagenetic environment. The sedimentary succession is formed by shallowing upward cycles overlain by a possible transgressive surface, which may indicate the passage of a lowstand to a transgressive system tract. |
id |
UFS-2_cef94c895d74bedb08ab32d409862f19 |
---|---|
oai_identifier_str |
oai:ufs.br:riufs/1362 |
network_acronym_str |
UFS-2 |
network_name_str |
Repositório Institucional da UFS |
repository_id_str |
|
spelling |
Garcia, Antônio Jorge VasconcellosCesero, Pedro deTurbay, Caio Vinícius GabrigSilva, Raisa Carvalho2014-11-26T20:37:58Z2014-11-26T20:37:58Z2013-12TURBAY, C. V. G. et. al. Depositional, diagenetic and stratigraphic aspects of microfacies from Riachuelo Formation, Albian, Sergipe Basin, Brazil. Revista Brasileira de Geociências, São Paulo, v. 13, n. 4, p. 29-48, dez. 2013. Disponível em: <http://dx.doi.org/10.5327/Z1519-874X201300040002>. Acesso em: 26 nov. 2014.1519-874Xhttps://ri.ufs.br/handle/riufs/1362Autorização para publicação no Repositório Institucional da Universidade Federal de Sergipe (RIUFS) concedida pelo editorAs rochas da Formação Riachuelo, Bacia de Sergipe, Brasil, representam um exemplo de sedimentação carbonática relacionada à fase drift, durante a abertura do oceano Atlântico Sul. As pedreiras Carapeba e Brejo exibem os melhores afloramentos onshore da seção carbonática drift em toda margem continental brasileira. Estudos de campo e análises microfaciológicas da seção sedimentar aflorante evidenciaram seis tipos de depósitos sedimentares relacionados à fisiografia de uma plataforma carbonática. Depósitos proximais mistos são representados por dolomitos ricos em terrígenos. Níveis alternados de arenitos e siltitos são aqui relacionados às fácies distais de leques subaquosos. Mudstones com miliolídeos e textularídeos representam ambiente lagunar em plataforma média, semirrestrita. Packstones, grainstones e eventualmente wackestones com oncólitos, intraclastos e peloides representam depósitos sedimentares relacionados à retaguarda de bancos arenosos rasos e ambientes na interface com a laguna. Grainstones com oólitos, oncólitos, intraclastos e bioclastos, com estratificação cruzada acanalada, representam ambiente de shoreface sobre o banco carbonático raso na plataforma externa. Os cimentos e outras feições pós-deposicionais observadas sugeriram diagênese progressiva em quatro ambientes diagenéticos: a) marinho freático com circulação de águas; b) marinho freático com água estagnada; c) meteórico freático; d) ambiente de soterramento. Os pacotes sedimentares formam ciclos de rasamento ascendente, sobrepostos no topo por uma provável superfície transgressiva, o que pode indicar a passagem de um trato de sistema de mar baixo para um trato de sistema transgressivo. _________________________________________________________________________________________ ABSTRACT: The rocks of the Riachuelo Formation, Sergipe Basin, Brazil, represent an example of carbonate sedimentation related to the drift phase during the opening of the South Atlantic Ocean. The Carapeba and Brejo quarries exhibit the best onshore outcrops of the drift carbonate section along the Brazilian continental edge. Field studies and microfacies analysis of the outcropped sedimentary section showed six sedimentary deposits related to the physiography of a carbonate shelf. Proximal mixed deposits are represented by the rich-terrigenous dolostone. Levels with alternate layers of fine grained sandstones and siltstones are here related to distal facies of submarine fans deposits. Mudstones with miliolids and textularids represent a lagoonal environment in a semi-restricted middle shelf. Packstones, grainstones and occasionally wackestones with oncoids, intraclasts and peloids represent sedimentary deposits related to the back of shallow sandy bars and environments at the interface with the lagoon. Grainstones whit ooliths, oncoids, intraclasts and bioclasts, with trough cross-bedding, represent a shallower shoreface environment over the shallow carbonate back on outer shelf. Cements and other post-depositional features suggest four different diagenetic environments: a) marine phreatic diagenetic environment with active water circulation; b) marine phreatic diagenetic environment with stagnant water; c) freshwater phreatic diagenetic environment; d) burial diagenetic environment. The sedimentary succession is formed by shallowing upward cycles overlain by a possible transgressive surface, which may indicate the passage of a lowstand to a transgressive system tract.Instituto de Geociências, Universidade de São PauloBacia de SergipeFormação RiachueloAlbianoMicrofáciesDepositional, diagenetic and stratigraphic aspects of microfacies from Riachuelo Formation, Albian, Sergipe Basin, BrazilAspectos deposicionais, diagenéticos e estratigráficos de microfácies da Formação Riachuelo, Albiano, Bacia de Sergipe, Brasilinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleengreponame:Repositório Institucional da UFSinstname:Universidade Federal de Sergipe (UFS)instacron:UFSinfo:eu-repo/semantics/openAccessTHUMBNAILDepositionalDiagenetic.pdf.jpgDepositionalDiagenetic.pdf.jpgGenerated Thumbnailimage/jpeg1661https://ri.ufs.br/jspui/bitstream/riufs/1362/5/DepositionalDiagenetic.pdf.jpg4fa5e54362d2be2ddd734dfb8bbbbb61MD55LICENSElicense.txtlicense.txttext/plain; charset=utf-81748https://ri.ufs.br/jspui/bitstream/riufs/1362/2/license.txt8a4605be74aa9ea9d79846c1fba20a33MD52ORIGINALDepositionalDiagenetic.pdfDepositionalDiagenetic.pdfapplication/pdf13491119https://ri.ufs.br/jspui/bitstream/riufs/1362/3/DepositionalDiagenetic.pdf41ec791e01d2e75c7e1e664ee8487455MD53TEXTDepositionalDiagenetic.pdf.txtDepositionalDiagenetic.pdf.txtExtracted texttext/plain67760https://ri.ufs.br/jspui/bitstream/riufs/1362/4/DepositionalDiagenetic.pdf.txt03d594e82fb858b5f2df5d18b33122e4MD54riufs/13622015-05-27 02:00:56.619oai:ufs.br:riufs/1362Tk9URTogUExBQ0UgWU9VUiBPV04gTElDRU5TRSBIRVJFClRoaXMgc2FtcGxlIGxpY2Vuc2UgaXMgcHJvdmlkZWQgZm9yIGluZm9ybWF0aW9uYWwgcHVycG9zZXMgb25seS4KCk5PTi1FWENMVVNJVkUgRElTVFJJQlVUSU9OIExJQ0VOU0UKCkJ5IHNpZ25pbmcgYW5kIHN1Ym1pdHRpbmcgdGhpcyBsaWNlbnNlLCB5b3UgKHRoZSBhdXRob3Iocykgb3IgY29weXJpZ2h0Cm93bmVyKSBncmFudHMgdG8gRFNwYWNlIFVuaXZlcnNpdHkgKERTVSkgdGhlIG5vbi1leGNsdXNpdmUgcmlnaHQgdG8gcmVwcm9kdWNlLAp0cmFuc2xhdGUgKGFzIGRlZmluZWQgYmVsb3cpLCBhbmQvb3IgZGlzdHJpYnV0ZSB5b3VyIHN1Ym1pc3Npb24gKGluY2x1ZGluZwp0aGUgYWJzdHJhY3QpIHdvcmxkd2lkZSBpbiBwcmludCBhbmQgZWxlY3Ryb25pYyBmb3JtYXQgYW5kIGluIGFueSBtZWRpdW0sCmluY2x1ZGluZyBidXQgbm90IGxpbWl0ZWQgdG8gYXVkaW8gb3IgdmlkZW8uCgpZb3UgYWdyZWUgdGhhdCBEU1UgbWF5LCB3aXRob3V0IGNoYW5naW5nIHRoZSBjb250ZW50LCB0cmFuc2xhdGUgdGhlCnN1Ym1pc3Npb24gdG8gYW55IG1lZGl1bSBvciBmb3JtYXQgZm9yIHRoZSBwdXJwb3NlIG9mIHByZXNlcnZhdGlvbi4KCllvdSBhbHNvIGFncmVlIHRoYXQgRFNVIG1heSBrZWVwIG1vcmUgdGhhbiBvbmUgY29weSBvZiB0aGlzIHN1Ym1pc3Npb24gZm9yCnB1cnBvc2VzIG9mIHNlY3VyaXR5LCBiYWNrLXVwIGFuZCBwcmVzZXJ2YXRpb24uCgpZb3UgcmVwcmVzZW50IHRoYXQgdGhlIHN1Ym1pc3Npb24gaXMgeW91ciBvcmlnaW5hbCB3b3JrLCBhbmQgdGhhdCB5b3UgaGF2ZQp0aGUgcmlnaHQgdG8gZ3JhbnQgdGhlIHJpZ2h0cyBjb250YWluZWQgaW4gdGhpcyBsaWNlbnNlLiBZb3UgYWxzbyByZXByZXNlbnQKdGhhdCB5b3VyIHN1Ym1pc3Npb24gZG9lcyBub3QsIHRvIHRoZSBiZXN0IG9mIHlvdXIga25vd2xlZGdlLCBpbmZyaW5nZSB1cG9uCmFueW9uZSdzIGNvcHlyaWdodC4KCklmIHRoZSBzdWJtaXNzaW9uIGNvbnRhaW5zIG1hdGVyaWFsIGZvciB3aGljaCB5b3UgZG8gbm90IGhvbGQgY29weXJpZ2h0LAp5b3UgcmVwcmVzZW50IHRoYXQgeW91IGhhdmUgb2J0YWluZWQgdGhlIHVucmVzdHJpY3RlZCBwZXJtaXNzaW9uIG9mIHRoZQpjb3B5cmlnaHQgb3duZXIgdG8gZ3JhbnQgRFNVIHRoZSByaWdodHMgcmVxdWlyZWQgYnkgdGhpcyBsaWNlbnNlLCBhbmQgdGhhdApzdWNoIHRoaXJkLXBhcnR5IG93bmVkIG1hdGVyaWFsIGlzIGNsZWFybHkgaWRlbnRpZmllZCBhbmQgYWNrbm93bGVkZ2VkCndpdGhpbiB0aGUgdGV4dCBvciBjb250ZW50IG9mIHRoZSBzdWJtaXNzaW9uLgoKSUYgVEhFIFNVQk1JU1NJT04gSVMgQkFTRUQgVVBPTiBXT1JLIFRIQVQgSEFTIEJFRU4gU1BPTlNPUkVEIE9SIFNVUFBPUlRFRApCWSBBTiBBR0VOQ1kgT1IgT1JHQU5JWkFUSU9OIE9USEVSIFRIQU4gRFNVLCBZT1UgUkVQUkVTRU5UIFRIQVQgWU9VIEhBVkUKRlVMRklMTEVEIEFOWSBSSUdIVCBPRiBSRVZJRVcgT1IgT1RIRVIgT0JMSUdBVElPTlMgUkVRVUlSRUQgQlkgU1VDSApDT05UUkFDVCBPUiBBR1JFRU1FTlQuCgpEU1Ugd2lsbCBjbGVhcmx5IGlkZW50aWZ5IHlvdXIgbmFtZShzKSBhcyB0aGUgYXV0aG9yKHMpIG9yIG93bmVyKHMpIG9mIHRoZQpzdWJtaXNzaW9uLCBhbmQgd2lsbCBub3QgbWFrZSBhbnkgYWx0ZXJhdGlvbiwgb3RoZXIgdGhhbiBhcyBhbGxvd2VkIGJ5IHRoaXMKbGljZW5zZSwgdG8geW91ciBzdWJtaXNzaW9uLgo=Repositório InstitucionalPUBhttps://ri.ufs.br/oai/requestrepositorio@academico.ufs.bropendoar:2015-05-27T05:00:56Repositório Institucional da UFS - Universidade Federal de Sergipe (UFS)false |
dc.title.pt_BR.fl_str_mv |
Depositional, diagenetic and stratigraphic aspects of microfacies from Riachuelo Formation, Albian, Sergipe Basin, Brazil |
dc.title.alternative.pt_BR.fl_str_mv |
Aspectos deposicionais, diagenéticos e estratigráficos de microfácies da Formação Riachuelo, Albiano, Bacia de Sergipe, Brasil |
title |
Depositional, diagenetic and stratigraphic aspects of microfacies from Riachuelo Formation, Albian, Sergipe Basin, Brazil |
spellingShingle |
Depositional, diagenetic and stratigraphic aspects of microfacies from Riachuelo Formation, Albian, Sergipe Basin, Brazil Garcia, Antônio Jorge Vasconcellos Bacia de Sergipe Formação Riachuelo Albiano Microfácies |
title_short |
Depositional, diagenetic and stratigraphic aspects of microfacies from Riachuelo Formation, Albian, Sergipe Basin, Brazil |
title_full |
Depositional, diagenetic and stratigraphic aspects of microfacies from Riachuelo Formation, Albian, Sergipe Basin, Brazil |
title_fullStr |
Depositional, diagenetic and stratigraphic aspects of microfacies from Riachuelo Formation, Albian, Sergipe Basin, Brazil |
title_full_unstemmed |
Depositional, diagenetic and stratigraphic aspects of microfacies from Riachuelo Formation, Albian, Sergipe Basin, Brazil |
title_sort |
Depositional, diagenetic and stratigraphic aspects of microfacies from Riachuelo Formation, Albian, Sergipe Basin, Brazil |
author |
Garcia, Antônio Jorge Vasconcellos |
author_facet |
Garcia, Antônio Jorge Vasconcellos Cesero, Pedro de Turbay, Caio Vinícius Gabrig Silva, Raisa Carvalho |
author_role |
author |
author2 |
Cesero, Pedro de Turbay, Caio Vinícius Gabrig Silva, Raisa Carvalho |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Garcia, Antônio Jorge Vasconcellos Cesero, Pedro de Turbay, Caio Vinícius Gabrig Silva, Raisa Carvalho |
dc.subject.por.fl_str_mv |
Bacia de Sergipe Formação Riachuelo Albiano Microfácies |
topic |
Bacia de Sergipe Formação Riachuelo Albiano Microfácies |
description |
As rochas da Formação Riachuelo, Bacia de Sergipe, Brasil, representam um exemplo de sedimentação carbonática relacionada à fase drift, durante a abertura do oceano Atlântico Sul. As pedreiras Carapeba e Brejo exibem os melhores afloramentos onshore da seção carbonática drift em toda margem continental brasileira. Estudos de campo e análises microfaciológicas da seção sedimentar aflorante evidenciaram seis tipos de depósitos sedimentares relacionados à fisiografia de uma plataforma carbonática. Depósitos proximais mistos são representados por dolomitos ricos em terrígenos. Níveis alternados de arenitos e siltitos são aqui relacionados às fácies distais de leques subaquosos. Mudstones com miliolídeos e textularídeos representam ambiente lagunar em plataforma média, semirrestrita. Packstones, grainstones e eventualmente wackestones com oncólitos, intraclastos e peloides representam depósitos sedimentares relacionados à retaguarda de bancos arenosos rasos e ambientes na interface com a laguna. Grainstones com oólitos, oncólitos, intraclastos e bioclastos, com estratificação cruzada acanalada, representam ambiente de shoreface sobre o banco carbonático raso na plataforma externa. Os cimentos e outras feições pós-deposicionais observadas sugeriram diagênese progressiva em quatro ambientes diagenéticos: a) marinho freático com circulação de águas; b) marinho freático com água estagnada; c) meteórico freático; d) ambiente de soterramento. Os pacotes sedimentares formam ciclos de rasamento ascendente, sobrepostos no topo por uma provável superfície transgressiva, o que pode indicar a passagem de um trato de sistema de mar baixo para um trato de sistema transgressivo. _________________________________________________________________________________________ ABSTRACT: The rocks of the Riachuelo Formation, Sergipe Basin, Brazil, represent an example of carbonate sedimentation related to the drift phase during the opening of the South Atlantic Ocean. The Carapeba and Brejo quarries exhibit the best onshore outcrops of the drift carbonate section along the Brazilian continental edge. Field studies and microfacies analysis of the outcropped sedimentary section showed six sedimentary deposits related to the physiography of a carbonate shelf. Proximal mixed deposits are represented by the rich-terrigenous dolostone. Levels with alternate layers of fine grained sandstones and siltstones are here related to distal facies of submarine fans deposits. Mudstones with miliolids and textularids represent a lagoonal environment in a semi-restricted middle shelf. Packstones, grainstones and occasionally wackestones with oncoids, intraclasts and peloids represent sedimentary deposits related to the back of shallow sandy bars and environments at the interface with the lagoon. Grainstones whit ooliths, oncoids, intraclasts and bioclasts, with trough cross-bedding, represent a shallower shoreface environment over the shallow carbonate back on outer shelf. Cements and other post-depositional features suggest four different diagenetic environments: a) marine phreatic diagenetic environment with active water circulation; b) marine phreatic diagenetic environment with stagnant water; c) freshwater phreatic diagenetic environment; d) burial diagenetic environment. The sedimentary succession is formed by shallowing upward cycles overlain by a possible transgressive surface, which may indicate the passage of a lowstand to a transgressive system tract. |
publishDate |
2013 |
dc.date.issued.fl_str_mv |
2013-12 |
dc.date.accessioned.fl_str_mv |
2014-11-26T20:37:58Z |
dc.date.available.fl_str_mv |
2014-11-26T20:37:58Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
TURBAY, C. V. G. et. al. Depositional, diagenetic and stratigraphic aspects of microfacies from Riachuelo Formation, Albian, Sergipe Basin, Brazil. Revista Brasileira de Geociências, São Paulo, v. 13, n. 4, p. 29-48, dez. 2013. Disponível em: <http://dx.doi.org/10.5327/Z1519-874X201300040002>. Acesso em: 26 nov. 2014. |
dc.identifier.uri.fl_str_mv |
https://ri.ufs.br/handle/riufs/1362 |
dc.identifier.issn.none.fl_str_mv |
1519-874X |
dc.identifier.license.pt_BR.fl_str_mv |
Autorização para publicação no Repositório Institucional da Universidade Federal de Sergipe (RIUFS) concedida pelo editor |
identifier_str_mv |
TURBAY, C. V. G. et. al. Depositional, diagenetic and stratigraphic aspects of microfacies from Riachuelo Formation, Albian, Sergipe Basin, Brazil. Revista Brasileira de Geociências, São Paulo, v. 13, n. 4, p. 29-48, dez. 2013. Disponível em: <http://dx.doi.org/10.5327/Z1519-874X201300040002>. Acesso em: 26 nov. 2014. 1519-874X Autorização para publicação no Repositório Institucional da Universidade Federal de Sergipe (RIUFS) concedida pelo editor |
url |
https://ri.ufs.br/handle/riufs/1362 |
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 |
Instituto de Geociências, Universidade de São Paulo |
publisher.none.fl_str_mv |
Instituto de Geociências, Universidade de São Paulo |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da UFS instname:Universidade Federal de Sergipe (UFS) instacron:UFS |
instname_str |
Universidade Federal de Sergipe (UFS) |
instacron_str |
UFS |
institution |
UFS |
reponame_str |
Repositório Institucional da UFS |
collection |
Repositório Institucional da UFS |
bitstream.url.fl_str_mv |
https://ri.ufs.br/jspui/bitstream/riufs/1362/5/DepositionalDiagenetic.pdf.jpg https://ri.ufs.br/jspui/bitstream/riufs/1362/2/license.txt https://ri.ufs.br/jspui/bitstream/riufs/1362/3/DepositionalDiagenetic.pdf https://ri.ufs.br/jspui/bitstream/riufs/1362/4/DepositionalDiagenetic.pdf.txt |
bitstream.checksum.fl_str_mv |
4fa5e54362d2be2ddd734dfb8bbbbb61 8a4605be74aa9ea9d79846c1fba20a33 41ec791e01d2e75c7e1e664ee8487455 03d594e82fb858b5f2df5d18b33122e4 |
bitstream.checksumAlgorithm.fl_str_mv |
MD5 MD5 MD5 MD5 |
repository.name.fl_str_mv |
Repositório Institucional da UFS - Universidade Federal de Sergipe (UFS) |
repository.mail.fl_str_mv |
repositorio@academico.ufs.br |
_version_ |
1802110705229365248 |