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Strain transfer at continental scale from a transcurrent shear zone to a transpressional fold belt: The Patos-Seridó system, northeastern Brazil

1991; Geological Society of America; Volume: 19; Issue: 6 Linguagem: Inglês

10.1130/0091-7613(1991)019 2.3.co;2

1943-2682

Michel Corsini, Alain Vauchez, Carlos José Archanjo, Emanuel Ferraz Jardim de Sá,

Geological and Geochemical Analysis

Research Article| June 01, 1991 Strain transfer at continental scale from a transcurrent shear zone to a transpressional fold belt: The Patos-Seridó system, northeastern Brazil Michel Corsini; Michel Corsini 1Departement de Géologie, Université des Sciences et Techniques de Masuku Franceville, Gabon Search for other works by this author on: GSW Google Scholar Alain Vauchez; Alain Vauchez 2Laboratoire de Tectonophysique, Université des Sciences et Techniques du Languedoc 34095 Montpellier Cedex, France Search for other works by this author on: GSW Google Scholar Carlos Archanjo; Carlos Archanjo 3Departamento de Geologia, Universidade Federal do Rio Grande do Norte 59000 Natal (RN), Brazil Search for other works by this author on: GSW Google Scholar Emanuel F. J. de Sá Emanuel F. J. de Sá 3Departamento de Geologia, Universidade Federal do Rio Grande do Norte 59000 Natal (RN), Brazil Search for other works by this author on: GSW Google Scholar Author and Article Information Michel Corsini 1Departement de Géologie, Université des Sciences et Techniques de Masuku Franceville, Gabon Alain Vauchez 2Laboratoire de Tectonophysique, Université des Sciences et Techniques du Languedoc 34095 Montpellier Cedex, France Carlos Archanjo 3Departamento de Geologia, Universidade Federal do Rio Grande do Norte 59000 Natal (RN), Brazil Emanuel F. J. de Sá 3Departamento de Geologia, Universidade Federal do Rio Grande do Norte 59000 Natal (RN), Brazil Publisher: Geological Society of America First Online: 02 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (1991) 19 (6): 586–589. https://doi.org/10.1130/0091-7613(1991)019 2.3.CO;2 Article history First Online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation Michel Corsini, Alain Vauchez, Carlos Archanjo, Emanuel F. J. de Sá; Strain transfer at continental scale from a transcurrent shear zone to a transpressional fold belt: The Patos-Seridó system, northeastern Brazil. Geology 1991;; 19 (6): 586–589. doi: https://doi.org/10.1130/0091-7613(1991)019 2.3.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGeology Search Advanced Search Abstract During the Brasiliano-pan-African orogeny, a complex continental-scale pattern of east-west transcurrent shear zones and northeast-trending fold belts formed in the northern and central Borborema province of northeastern Brazil. The east-west shear zones have been usually regarded as slightly younger features, but the study of the most spectacular case of intersection between these two structures, the Patos shear zone and the Seridó transpressional belt, leads to a different tectonic model. Satellite imagery and structural, petro-logical, and geophysical data support the interpretation that these structures (1) are in structural continuity and (2) formed simultaneously under amphibolite facies metamorphic conditions that led to partial melting. This suggests a model of strain transfer at the scale of the orogen: at the eastern end of the Patos east-west dextral shear zone, the strain that accommodated the relative motion of the northern block was transferred to the northeast-trending Seridó belt, where it resulted in folding, strike-slip faulting, and stretching parallel to the strike of the belt. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.