Geochronology (U-PB/PB-PB) and isotopic signature (RB-SR/SM-ND) of the paleoproterozoic guanambi batholith, Southwest Bahia State (ne Brazil)
Autor(a) principal: | |
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Data de Publicação: | 2000 |
Outros Autores: | , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFBA |
Texto Completo: | http://www.repositorio.ufba.br/ri/handle/ri/2571 |
Resumo: | p.062-065 |
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Conceicao, HerbetOberli, FelixMeier, MartinMartin, HervéMacambira, Moacir José BuenanoSantos, Emerson Barreto dosPaim, Marcio MattosLeahy, Geraldo Augusto da SilvaLeal, Luiz Rogerio BastosConceicao, HerbetOberli, FelixMeier, MartinMartin, HervéMacambira, Moacir José BuenanoSantos, Emerson Barreto dosPaim, Marcio MattosLeahy, Geraldo Augusto da SilvaLeal, Luiz Rogerio Bastos2011-09-06T14:44:52Z2011-09-06T14:44:52Z20002177-4382http://www.repositorio.ufba.br/ri/handle/ri/2571v. 30, n. 1.p.062-065The Guanambi batholith (GB) is located in south-western Bahia, Brazil, where it forms part of the Urandi-Paratinga mobile belt. The batholith extends over an area of almost 6,000 km2 and is mainly composed of syenites and monzonites, with subordinate granites, mafic syenites and lamprophyric dykes. Two main units can be recognized: the multiple intrusions, being divided into four regions (Paratinga, Laguna, Igapora and Guanambi) and the so-called late-intrusions forming the Cara Suja, Cerafma and Estreito massifs. U-Pb and Pb-Pb isotopic data demonstrate that the batholith was emplaced 2.05 Ga ago. GB has (i) highly negative initial εNd (-7.4 to -10.6), pointing to an enriched source, and (ii) Sr initial ratios between 0.704 and 0.707. Both chemical and isotopic signatures suggest that GB formed by fractional crystallization of a lamprophyric magma derived from a Paleoproterozoic enriched mantle source.Submitted by Ana Valéria de Jesus Moura (anavaleria_131@hotmail.com) on 2011-09-06T14:44:51Z No. of bitstreams: 1 10573-35524-1-PB.pdf: 240584 bytes, checksum: 30774cf438b2d41e381a5dabe8fcb39b (MD5)Made available in DSpace on 2011-09-06T14:44:52Z (GMT). No. of bitstreams: 1 10573-35524-1-PB.pdf: 240584 bytes, checksum: 30774cf438b2d41e381a5dabe8fcb39b (MD5) Previous issue date: 2000Guanambi batholith. Geochronology. Enriched mantle. SyenitesGeochronology (U-PB/PB-PB) and isotopic signature (RB-SR/SM-ND) of the paleoproterozoic guanambi batholith, Southwest Bahia State (ne Brazil)Revista Brasileira de Geociênciasinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleengreponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBAinfo:eu-repo/semantics/openAccessORIGINAL10573-35524-1-PB.pdf10573-35524-1-PB.pdfapplication/pdf240584https://repositorio.ufba.br/bitstream/ri/2571/1/10573-35524-1-PB.pdf30774cf438b2d41e381a5dabe8fcb39bMD51LICENSElicense.txtlicense.txttext/plain1918https://repositorio.ufba.br/bitstream/ri/2571/2/license.txt91dbe1b981fa2aabf09a56d957e9cb33MD52TEXT10573-35524-1-PB.pdf.txt10573-35524-1-PB.pdf.txtExtracted texttext/plain17967https://repositorio.ufba.br/bitstream/ri/2571/3/10573-35524-1-PB.pdf.txt9c70ccf3ae7b18ed7e22d515b05f149aMD53ri/25712022-07-05 14:03:09.407oai:repositorio.ufba.br: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Repositório InstitucionalPUBhttp://192.188.11.11:8080/oai/requestopendoar:19322022-07-05T17:03:09Repositório Institucional da UFBA - Universidade Federal da Bahia (UFBA)false |
dc.title.pt_BR.fl_str_mv |
Geochronology (U-PB/PB-PB) and isotopic signature (RB-SR/SM-ND) of the paleoproterozoic guanambi batholith, Southwest Bahia State (ne Brazil) |
dc.title.alternative.pt_BR.fl_str_mv |
Revista Brasileira de Geociências |
title |
Geochronology (U-PB/PB-PB) and isotopic signature (RB-SR/SM-ND) of the paleoproterozoic guanambi batholith, Southwest Bahia State (ne Brazil) |
spellingShingle |
Geochronology (U-PB/PB-PB) and isotopic signature (RB-SR/SM-ND) of the paleoproterozoic guanambi batholith, Southwest Bahia State (ne Brazil) Conceicao, Herbet Guanambi batholith. Geochronology. Enriched mantle. Syenites |
title_short |
Geochronology (U-PB/PB-PB) and isotopic signature (RB-SR/SM-ND) of the paleoproterozoic guanambi batholith, Southwest Bahia State (ne Brazil) |
title_full |
Geochronology (U-PB/PB-PB) and isotopic signature (RB-SR/SM-ND) of the paleoproterozoic guanambi batholith, Southwest Bahia State (ne Brazil) |
title_fullStr |
Geochronology (U-PB/PB-PB) and isotopic signature (RB-SR/SM-ND) of the paleoproterozoic guanambi batholith, Southwest Bahia State (ne Brazil) |
title_full_unstemmed |
Geochronology (U-PB/PB-PB) and isotopic signature (RB-SR/SM-ND) of the paleoproterozoic guanambi batholith, Southwest Bahia State (ne Brazil) |
title_sort |
Geochronology (U-PB/PB-PB) and isotopic signature (RB-SR/SM-ND) of the paleoproterozoic guanambi batholith, Southwest Bahia State (ne Brazil) |
author |
Conceicao, Herbet |
author_facet |
Conceicao, Herbet Oberli, Felix Meier, Martin Martin, Hervé Macambira, Moacir José Buenano Santos, Emerson Barreto dos Paim, Marcio Mattos Leahy, Geraldo Augusto da Silva Leal, Luiz Rogerio Bastos |
author_role |
author |
author2 |
Oberli, Felix Meier, Martin Martin, Hervé Macambira, Moacir José Buenano Santos, Emerson Barreto dos Paim, Marcio Mattos Leahy, Geraldo Augusto da Silva Leal, Luiz Rogerio Bastos |
author2_role |
author author author author author author author author |
dc.contributor.author.fl_str_mv |
Conceicao, Herbet Oberli, Felix Meier, Martin Martin, Hervé Macambira, Moacir José Buenano Santos, Emerson Barreto dos Paim, Marcio Mattos Leahy, Geraldo Augusto da Silva Leal, Luiz Rogerio Bastos Conceicao, Herbet Oberli, Felix Meier, Martin Martin, Hervé Macambira, Moacir José Buenano Santos, Emerson Barreto dos Paim, Marcio Mattos Leahy, Geraldo Augusto da Silva Leal, Luiz Rogerio Bastos |
dc.subject.por.fl_str_mv |
Guanambi batholith. Geochronology. Enriched mantle. Syenites |
topic |
Guanambi batholith. Geochronology. Enriched mantle. Syenites |
description |
p.062-065 |
publishDate |
2000 |
dc.date.issued.fl_str_mv |
2000 |
dc.date.accessioned.fl_str_mv |
2011-09-06T14:44:52Z |
dc.date.available.fl_str_mv |
2011-09-06T14:44:52Z |
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.uri.fl_str_mv |
http://www.repositorio.ufba.br/ri/handle/ri/2571 |
dc.identifier.issn.none.fl_str_mv |
2177-4382 |
dc.identifier.number.pt_BR.fl_str_mv |
v. 30, n. 1. |
identifier_str_mv |
2177-4382 v. 30, n. 1. |
url |
http://www.repositorio.ufba.br/ri/handle/ri/2571 |
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eng |
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Repositório Institucional da UFBA |
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