Gold mineralization in the Serra de Jacobina region, Bahia Brazil: tectonic framework and metallogenesis
| Autor(a) principal: | |
|---|---|
| Data de Publicação: | 2001 |
| 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/7725 |
Resumo: | Texto completo: acesso restrito. p. 332-344 |
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Teixeira, João Batista GuimarãesSouza, Jorge André Braz deSilva, Maria da Glória daLeite, Carlson Matos MaiaBarbosa, Johildo Salomão FigueirêdoCoelho, Carlos Eduardo SilvaAbram, Maisa BastosConceição Filho, Valter MônacoIyer, Sundaram Sankara SubbaTeixeira, João Batista GuimarãesSouza, Jorge André Braz deSilva, Maria da Glória daLeite, Carlson Matos MaiaBarbosa, Johildo Salomão FigueirêdoCoelho, Carlos Eduardo SilvaAbram, Maisa BastosConceição Filho, Valter MônacoIyer, Sundaram Sankara Subba2013-01-03T15:46:23Z20010026-4598http://www.repositorio.ufba.br/ri/handle/ri/7725v. 36, n. 3-4Texto completo: acesso restrito. p. 332-344Gold deposits in the Serra de Jacobina region in Bahia, northeastern Brazil, occur in a belt of siliciclastic metasedimentary rocks intercalated with mafic and ultramafic rocks, and underlain by a tonalite–trondhjemite–granodiorite gneiss-dominated (TTG) basement. The siliciclastic sequence probably represents the remnants of a sedimentary basin, which formed in an Archean passive margin-type setting. The basin was subsequently subjected to a complex history of deformation, metamorphism, and hydrothermal activity, as a result of oblique collisional events in Late Archean and Paleoproterozoic. The majority of the auriferous occurrences in the area are hosted by quartz-pebble conglomerates, and have been noted to resemble placer-type deposits. However, structurally-controlled hydrothermal orebodies, and the formation of gold occurrences also in quartzites and mafic and ultramafic rocks, support an epigenetic model for the mineralizing event. Gold mineralization is interpreted to be an integral part of the late (~1.9 Ga) tectonothermal evolution of the Serra de Jacobina region. It was roughly coeval with the emplacement of large volumes of post-collisional type, peraluminous granitic magmas, during a regional strike-slip regime.Submitted by Suelen Reis (suelen_suzane@hotmail.com) on 2013-01-03T15:46:23Z No. of bitstreams: 1 Guimaraes.pdf: 646638 bytes, checksum: a665577ed3929e32f8d7f90a99f89657 (MD5)Made available in DSpace on 2013-01-03T15:46:23Z (GMT). No. of bitstreams: 1 Guimaraes.pdf: 646638 bytes, checksum: a665577ed3929e32f8d7f90a99f89657 (MD5) Previous issue date: 2001http://dx.doi.org/10.1007/s001260100174reponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBAGold mineralization in the Serra de Jacobina region, Bahia Brazil: tectonic framework and metallogenesisMineralium Depositainfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article10000-01-01enginfo:eu-repo/semantics/openAccessORIGINALGuimaraes.pdfGuimaraes.pdfapplication/pdf646638https://repositorio.ufba.br/bitstream/ri/7725/1/Guimaraes.pdfa665577ed3929e32f8d7f90a99f89657MD51LICENSElicense.txtlicense.txttext/plain1762https://repositorio.ufba.br/bitstream/ri/7725/2/license.txt1b89a9a0548218172d7c829f87a0eab9MD52TEXTGuimaraes.pdf.txtGuimaraes.pdf.txtExtracted texttext/plain45487https://repositorio.ufba.br/bitstream/ri/7725/3/Guimaraes.pdf.txt4ecf0fe00dd9f76cf0465dd510295bf2MD53ri/77252022-07-05 14:03:24.155oai:repositorio.ufba.br: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Repositório InstitucionalPUBhttp://192.188.11.11:8080/oai/requestopendoar:19322022-07-05T17:03:24Repositório Institucional da UFBA - Universidade Federal da Bahia (UFBA)false |
| dc.title.pt_BR.fl_str_mv |
Gold mineralization in the Serra de Jacobina region, Bahia Brazil: tectonic framework and metallogenesis |
| dc.title.alternative.pt_BR.fl_str_mv |
Mineralium Deposita |
| title |
Gold mineralization in the Serra de Jacobina region, Bahia Brazil: tectonic framework and metallogenesis |
| spellingShingle |
Gold mineralization in the Serra de Jacobina region, Bahia Brazil: tectonic framework and metallogenesis Teixeira, João Batista Guimarães |
| title_short |
Gold mineralization in the Serra de Jacobina region, Bahia Brazil: tectonic framework and metallogenesis |
| title_full |
Gold mineralization in the Serra de Jacobina region, Bahia Brazil: tectonic framework and metallogenesis |
| title_fullStr |
Gold mineralization in the Serra de Jacobina region, Bahia Brazil: tectonic framework and metallogenesis |
| title_full_unstemmed |
Gold mineralization in the Serra de Jacobina region, Bahia Brazil: tectonic framework and metallogenesis |
| title_sort |
Gold mineralization in the Serra de Jacobina region, Bahia Brazil: tectonic framework and metallogenesis |
| author |
Teixeira, João Batista Guimarães |
| author_facet |
Teixeira, João Batista Guimarães Souza, Jorge André Braz de Silva, Maria da Glória da Leite, Carlson Matos Maia Barbosa, Johildo Salomão Figueirêdo Coelho, Carlos Eduardo Silva Abram, Maisa Bastos Conceição Filho, Valter Mônaco Iyer, Sundaram Sankara Subba |
| author_role |
author |
| author2 |
Souza, Jorge André Braz de Silva, Maria da Glória da Leite, Carlson Matos Maia Barbosa, Johildo Salomão Figueirêdo Coelho, Carlos Eduardo Silva Abram, Maisa Bastos Conceição Filho, Valter Mônaco Iyer, Sundaram Sankara Subba |
| author2_role |
author author author author author author author author |
| dc.contributor.author.fl_str_mv |
Teixeira, João Batista Guimarães Souza, Jorge André Braz de Silva, Maria da Glória da Leite, Carlson Matos Maia Barbosa, Johildo Salomão Figueirêdo Coelho, Carlos Eduardo Silva Abram, Maisa Bastos Conceição Filho, Valter Mônaco Iyer, Sundaram Sankara Subba Teixeira, João Batista Guimarães Souza, Jorge André Braz de Silva, Maria da Glória da Leite, Carlson Matos Maia Barbosa, Johildo Salomão Figueirêdo Coelho, Carlos Eduardo Silva Abram, Maisa Bastos Conceição Filho, Valter Mônaco Iyer, Sundaram Sankara Subba |
| description |
Texto completo: acesso restrito. p. 332-344 |
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2001 |
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2001 |
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2013-01-03T15:46:23Z |
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0026-4598 |
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v. 36, n. 3-4 |
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0026-4598 v. 36, n. 3-4 |
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http://www.repositorio.ufba.br/ri/handle/ri/7725 |
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