The passira anorthositic complex and associated granites: an example of the anorogenic magmatism (calymmian/statherian) event in the Eastern Borborema Province, NE Brazil

Detalhes bibliográficos
Autor(a) principal: ACCIOLY, Ana Cláudia de Aguiar
Data de Publicação: 2011
Outros Autores: MCREATH, Ian, GUIMARÃES, Ignez P., SANTOS, Edilton J., VANNUCCI, Ricardo, SANTOS, Almany C., SANTOS, Carlos Alberto
Tipo de documento: Artigo
Idioma: por
Título da fonte: Repositório Institucional de Geociências - RIGEO
Texto Completo: https://rigeo.sgb.gov.br/handle/doc/1083
Resumo: The Passira Anorthositic Complex (PAC) is situated in Pernambuco State, Northeastern Brazil, within the Rio Capibaribe Terrain of the Borborema Province. Host rocks are rhiacian migmatitic gneisses. The PAC is a massif-type complex of batholithic proportions composed mainly of metamorphosed anorthosite, gabbro, norite, diorite and ultramafic lenses mineralized in Fe-Ti oxide minerals. A dyke swarm formed by apatite-rich ferro-diorite enriched in Zr, Ba and LREE, occurs around the complex. A multicrystal U-Pb zircon age of 1.70+0.02 Ga was obtained for the anorthosite, which is interpreted as|the age of crystallization. The associated granites (now orthogneisses) include metaluminous alkaline; sub-alkaline garnet-bearing and peraluminous types having anorogenic geochemical characteristics. They have U-Pb ages between 1.58±0.09 Ga and 1.68±0.09 Ga, obtained in zircon and monazite monocrystals by laser ablation mass spectrometry. The PAC and associated granites behaved as a tectonic unit during the Brasiliano-age deformations. The association was formed in Rio Capibaribe Terrain during an extensional event occurred at the Statherian-Callymian transition
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spelling ACCIOLY, Ana Cláudia de AguiarMCREATH, IanGUIMARÃES, Ignez P.SANTOS, Edilton J.VANNUCCI, RicardoSANTOS, Almany C.SANTOS, Carlos Alberto2013-12-19T16:35:11Z2013-12-19T16:35:11Z2011ACCIOLY, Ana Cláudia Aguiar; MCREATH, Ian; GUIMARÃES, Ignez P.; SANTOS, Edilton J.; VANNUCCI, Ricardo; SANTOS, Almany C.; SANTOS, Carlos Alberto. The passira anorthositic complex and associated granites: an example of the anorogenic magmatism (calymmian/statherian) event in the Eastern Borborema Province, NE Brazil. In: CONGRESSO BRASILEIRO DE GEOQUIMICA, 13., 2011, Gramado, RS. Anais [...] Gramado, RS: SBGq 2011.https://rigeo.sgb.gov.br/handle/doc/1083The Passira Anorthositic Complex (PAC) is situated in Pernambuco State, Northeastern Brazil, within the Rio Capibaribe Terrain of the Borborema Province. Host rocks are rhiacian migmatitic gneisses. The PAC is a massif-type complex of batholithic proportions composed mainly of metamorphosed anorthosite, gabbro, norite, diorite and ultramafic lenses mineralized in Fe-Ti oxide minerals. A dyke swarm formed by apatite-rich ferro-diorite enriched in Zr, Ba and LREE, occurs around the complex. A multicrystal U-Pb zircon age of 1.70+0.02 Ga was obtained for the anorthosite, which is interpreted as|the age of crystallization. The associated granites (now orthogneisses) include metaluminous alkaline; sub-alkaline garnet-bearing and peraluminous types having anorogenic geochemical characteristics. They have U-Pb ages between 1.58±0.09 Ga and 1.68±0.09 Ga, obtained in zircon and monazite monocrystals by laser ablation mass spectrometry. The PAC and associated granites behaved as a tectonic unit during the Brasiliano-age deformations. The association was formed in Rio Capibaribe Terrain during an extensional event occurred at the Statherian-Callymian transitionGEOLOGIAGEOQUÍMICAMAGMATISMO ANOROGÊNICOGRANITÓIDES CALIMINIANOSPROVÍNCIA BORBOREMABRASILNORDESTEThe passira anorthositic complex and associated granites: an example of the anorogenic magmatism (calymmian/statherian) event in the Eastern Borborema Province, NE Brazilinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleGramado, RSporreponame:Repositório Institucional de Geociências - RIGEOinstname:Companhia de Pesquisa de Recursos Minerais (CPRM)instacron:CPRMinfo:eu-repo/semantics/openAccessTEXTEvento_CGQ02T01.pdf.txtEvento_CGQ02T01.pdf.txtExtracted texttext/plain9751http://rigeo.sgb.gov.br/jspui/bitstream/doc/1083/2/Evento_CGQ02T01.pdf.txt7751499a9fd73db305d2dbe55c44a150MD52THUMBNAILEvento_CGQ02T01.pdf.jpgEvento_CGQ02T01.pdf.jpgGenerated Thumbnailimage/jpeg1838http://rigeo.sgb.gov.br/jspui/bitstream/doc/1083/3/Evento_CGQ02T01.pdf.jpgb5d9efe7ac34fe68863ce2ac223d4a72MD53ORIGINALEvento_CGQ02T01.pdfEvento_CGQ02T01.pdfproducao cientificaapplication/pdf1300860http://rigeo.sgb.gov.br/jspui/bitstream/doc/1083/1/Evento_CGQ02T01.pdfce6fb8a10bb0e7d78776f0abf0b22780MD51doc/10832024-04-30 09:24:10.823oai:rigeo.sgb.gov.br:doc/1083Repositório InstitucionalONGhttp://rigeo.cprm.gov.br/oai/requestrigeo@sgb.gov.bropendoar:2024-04-30T12:24:10Repositório Institucional de Geociências - RIGEO - Companhia de Pesquisa de Recursos Minerais (CPRM)false
dc.title.none.fl_str_mv The passira anorthositic complex and associated granites: an example of the anorogenic magmatism (calymmian/statherian) event in the Eastern Borborema Province, NE Brazil
title The passira anorthositic complex and associated granites: an example of the anorogenic magmatism (calymmian/statherian) event in the Eastern Borborema Province, NE Brazil
spellingShingle The passira anorthositic complex and associated granites: an example of the anorogenic magmatism (calymmian/statherian) event in the Eastern Borborema Province, NE Brazil
ACCIOLY, Ana Cláudia de Aguiar
GEOLOGIA
GEOQUÍMICA
MAGMATISMO ANOROGÊNICO
GRANITÓIDES CALIMINIANOS
PROVÍNCIA BORBOREMA
BRASIL
NORDESTE
title_short The passira anorthositic complex and associated granites: an example of the anorogenic magmatism (calymmian/statherian) event in the Eastern Borborema Province, NE Brazil
title_full The passira anorthositic complex and associated granites: an example of the anorogenic magmatism (calymmian/statherian) event in the Eastern Borborema Province, NE Brazil
title_fullStr The passira anorthositic complex and associated granites: an example of the anorogenic magmatism (calymmian/statherian) event in the Eastern Borborema Province, NE Brazil
title_full_unstemmed The passira anorthositic complex and associated granites: an example of the anorogenic magmatism (calymmian/statherian) event in the Eastern Borborema Province, NE Brazil
title_sort The passira anorthositic complex and associated granites: an example of the anorogenic magmatism (calymmian/statherian) event in the Eastern Borborema Province, NE Brazil
author ACCIOLY, Ana Cláudia de Aguiar
author_facet ACCIOLY, Ana Cláudia de Aguiar
MCREATH, Ian
GUIMARÃES, Ignez P.
SANTOS, Edilton J.
VANNUCCI, Ricardo
SANTOS, Almany C.
SANTOS, Carlos Alberto
author_role author
author2 MCREATH, Ian
GUIMARÃES, Ignez P.
SANTOS, Edilton J.
VANNUCCI, Ricardo
SANTOS, Almany C.
SANTOS, Carlos Alberto
author2_role author
author
author
author
author
author
dc.contributor.author.fl_str_mv ACCIOLY, Ana Cláudia de Aguiar
MCREATH, Ian
GUIMARÃES, Ignez P.
SANTOS, Edilton J.
VANNUCCI, Ricardo
SANTOS, Almany C.
SANTOS, Carlos Alberto
dc.subject.por.fl_str_mv GEOLOGIA
GEOQUÍMICA
MAGMATISMO ANOROGÊNICO
GRANITÓIDES CALIMINIANOS
PROVÍNCIA BORBOREMA
BRASIL
NORDESTE
topic GEOLOGIA
GEOQUÍMICA
MAGMATISMO ANOROGÊNICO
GRANITÓIDES CALIMINIANOS
PROVÍNCIA BORBOREMA
BRASIL
NORDESTE
description The Passira Anorthositic Complex (PAC) is situated in Pernambuco State, Northeastern Brazil, within the Rio Capibaribe Terrain of the Borborema Province. Host rocks are rhiacian migmatitic gneisses. The PAC is a massif-type complex of batholithic proportions composed mainly of metamorphosed anorthosite, gabbro, norite, diorite and ultramafic lenses mineralized in Fe-Ti oxide minerals. A dyke swarm formed by apatite-rich ferro-diorite enriched in Zr, Ba and LREE, occurs around the complex. A multicrystal U-Pb zircon age of 1.70+0.02 Ga was obtained for the anorthosite, which is interpreted as|the age of crystallization. The associated granites (now orthogneisses) include metaluminous alkaline; sub-alkaline garnet-bearing and peraluminous types having anorogenic geochemical characteristics. They have U-Pb ages between 1.58±0.09 Ga and 1.68±0.09 Ga, obtained in zircon and monazite monocrystals by laser ablation mass spectrometry. The PAC and associated granites behaved as a tectonic unit during the Brasiliano-age deformations. The association was formed in Rio Capibaribe Terrain during an extensional event occurred at the Statherian-Callymian transition
publishDate 2011
dc.date.issued.fl_str_mv 2011
dc.date.accessioned.fl_str_mv 2013-12-19T16:35:11Z
dc.date.available.fl_str_mv 2013-12-19T16:35:11Z
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dc.identifier.citation.fl_str_mv ACCIOLY, Ana Cláudia Aguiar; MCREATH, Ian; GUIMARÃES, Ignez P.; SANTOS, Edilton J.; VANNUCCI, Ricardo; SANTOS, Almany C.; SANTOS, Carlos Alberto. The passira anorthositic complex and associated granites: an example of the anorogenic magmatism (calymmian/statherian) event in the Eastern Borborema Province, NE Brazil. In: CONGRESSO BRASILEIRO DE GEOQUIMICA, 13., 2011, Gramado, RS. Anais [...] Gramado, RS: SBGq 2011.
dc.identifier.uri.fl_str_mv https://rigeo.sgb.gov.br/handle/doc/1083
identifier_str_mv ACCIOLY, Ana Cláudia Aguiar; MCREATH, Ian; GUIMARÃES, Ignez P.; SANTOS, Edilton J.; VANNUCCI, Ricardo; SANTOS, Almany C.; SANTOS, Carlos Alberto. The passira anorthositic complex and associated granites: an example of the anorogenic magmatism (calymmian/statherian) event in the Eastern Borborema Province, NE Brazil. In: CONGRESSO BRASILEIRO DE GEOQUIMICA, 13., 2011, Gramado, RS. Anais [...] Gramado, RS: SBGq 2011.
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