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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 type: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 abroad: John Paul Platt
Home Institution: Instituto de Geociências (IGC). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Local de pesquisa : 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.