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Electron Backscatter Diffraction (EBSD) analysis of deformation microstructures - Constraining rheology and deformation conditions of northern Borborema Province (NE Brazil)

Grant number: 19/10167-6
Support Opportunities:Scholarships abroad - Research Internship - Doctorate (Direct)
Effective date (Start): September 20, 2019
Effective date (End): December 05, 2019
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Geology
Principal Investigator:Carlos José Archanjo
Grantee:Carlos Fernando Ávila Rodrigues
Supervisor: John Paul Platt
Host Institution: Instituto de Geociências (IGC). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Research place: University of Southern California (USC), United States  
Associated to the scholarship:16/22226-9 - Deformation and chronology of the granitic magmatism associated with the Tauá and Senador Pompeu shear zones (Borborema Province, NE, Brazil), BP.DD


Shear zones are important to processes of continental deformation during orogenesis and often determine the bulk strength of the lithosphere. The localization of deformation within shear zones produce specific rock deformation microstructures which result from activation of different mechanisms that accomodate plastic strain. The shear zones in the northern Borborema Province, subject of study in the present PhD project (FAPESP 2016/22226-9), provide a unique opportunity to investigate deformation conditions in orogenic cores at varied conditions. We propose to carry out an EBSD-based microstructural investigation of of Senador Pompeu and Tauá shear zones at the high-end microscopy facilities the Department of Earth Sciences at the University of Southern California, under supervision and collaboration of professor John Platt. This comprises an application for a one year period of the Research Internship Abroad project (BEPE - Bolsa de Estágio em Pesquisa no Exterior) funded by FAPESP, as conceived in the initial project of the ongoing PhD research. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
AVILA, CARLOS F.; ARCHANJO, CARLOS J.; HOLLANDA, MARIA HELENA B. M.; DE MACEDO FILHO, ANTOMAT A.; LEMOS-SANTOS, V, DANIEL DO. Shear zone cooling and fabrics of synkinematic plutons evidence timing and rates of orogenic exhumation in the northwest Borborema Province (NE Brazil). Precambrian Research, v. 350, . (19/10167-6, 17/21440-0, 16/22226-9)
AVILA, CARLOS F.; ARCHANJO, CARLOS J.; PLATT, JOHN P.; FOSSEN, HAAKON. Rheology, shear zone width, microstructural evolution and tectonics of a zippered strike-slip shear zone: The Senador Pompeu shear zone, northern Borborema Province, Brazil. JOURNAL OF STRUCTURAL GEOLOGY, v. 166, p. 23-pg., . (19/10167-6, 17/21440-0, 16/22226-9)

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