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1. Identity statement
Reference TypeJournal Article
Sitemtc-m21d.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W34T/472Q685
Repositorysid.inpe.br/mtc-m21d/2022/06.03.11.47   (restricted access)
Last Update2022:06.03.11.47.29 (UTC) simone
Metadata Repositorysid.inpe.br/mtc-m21d/2022/06.03.11.47.29
Metadata Last Update2023:01.03.16.46.07 (UTC) administrator
DOI10.1016/j.tecto.2022.229296
ISSN0040-1951
Citation KeyGomesBaSaOlBaVi:2022:GeDaRe
TitleGeophysical data reveal a tectonic indentation and constrain the transition zone between the São Francisco Craton and the Borborema Paleoplates across the Neoproterozoic Sergipano Orogen, beneath the Cretaceous Tucano Basin, NE Brazil
Year2022
MonthJune
Access Date2024, May 13
Type of Workjournal article
Secondary TypePRE PI
Number of Files1
Size22559 KiB
2. Context
Author1 Gomes, Luiz C. Corrêa
2 Batista, Joelson C.
3 Sampaio, Edson E. S.
4 Oliveira, Elson P.
5 Barbosa, Johildo S. F.
6 Vitorello, Ícaro
Resume Identifier1
2
3
4
5
6 8JMKD3MGP5W/3C9JHD6
Group1
2
3
4
5
6 DIHPA-CGCE-INPE-MCTI-GOV-BR
Affiliation1 Universidade Federal da Bahia (UFBA)
2 Universidade Federal da Bahia (UFBA)
3 Universidade Federal da Bahia (UFBA)
4 Universidad Estadual de Campinas (UNICAMP)
5 Universidade Federal da Bahia (UFBA)
6 Instituto Nacional de Pesquisas Espaciais (INPE)
JournalTectonophysics
Volume833
Pagese229296
Secondary MarkA1_GEOGRAFIA A1_ENGENHARIAS_III A2_GEOCIÊNCIAS A2_ENGENHARIAS_II
History (UTC)2022-06-03 11:47:29 :: simone -> administrator ::
2022-06-03 11:47:31 :: administrator -> simone :: 2022
2022-06-03 11:48:14 :: simone -> administrator :: 2022
2023-01-03 16:46:07 :: administrator -> simone :: 2022
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
KeywordsCollision zone
Deep crustal structure
Geophysical analysis
Sergipano Orogen
São Francisco Craton
Tectonic Indentation
AbstractGeophysical techniques can improve knowledge about the deep structures of collisional orogens. Therefore, magnetotelluric and gravimetric data were combined in this study to enhance the poorly understood subsurface structure of the transition zone from the São Francisco Craton to the Neoproterozoic Sergipano Orogen in northeastern Brazil. The results along a 240-km-long, NESW trending geophysical transect revealed two main geoelectric domains beneath the Cretaceous Tucano Basin, which can be linked to two distinct tectonic blocks on the surface. The less resistive SW domain corresponds to the rocks of the Serrinha Block within the São Francisco Craton. In contrast, the more resistive NE domain matches the basement rocks of the northernmost units of the Sergipano Orogen. The results are discussed considering Paleoproterozoic and Neoproterozoic scenarios with different interpretations of the NE domain. Based on the surface geology and additional gravimetric and magnetotelluric data, the best scenario is to consider the NE domain as representing the geoelectric signature of the three northernmost geological domains of the Sergipano Orogen (Macururé, Poço RedondoMarancó, and Canindé) and that of the PernambucoAlagoas Block (PEAL). PEAL collided with the São Francisco paleolithosphere forming the Sergipano Orogen. The NE geoelectric domain can be interpreted as an indenter of the tectonically intruded PEAL beneath the São Francisco paleolithosphere. The new data properly define the northern limit of the São Francisco Craton and explain both indentation structures and contrasting sediment provenance observed in the Sergipano Orogen.
AreaCEA
Arrangementurlib.net > Fonds > Produção a partir de 2021 > CGCE > Geophysical data reveal...
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4. Conditions of access and use
Languageen
Target Filegomes_2022_geophysical.pdf
User Groupsimone
Reader Groupadministrator
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Visibilityshown
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Read Permissiondeny from all and allow from 150.163
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5. Allied materials
Next Higher Units8JMKD3MGPCW/46KTFK8
Citing Item Listsid.inpe.br/mtc-m21/2012/07.13.14.50.10 1
sid.inpe.br/bibdigital/2022/04.03.17.52 1
DisseminationWEBSCI; PORTALCAPES.
Host Collectionurlib.net/www/2021/06.04.03.40
6. Notes
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