Geología (trabajo de grado)

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https://hdl.handle.net/10784/5430

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Aplicación del método de anisotropía de susceptibilidad magnética en neotectónica : caso de estudio Valle de Aburrá y alrededores
(Universidad EAFIT, 2020) Jaraba Fernández, Duvan Alejandro; Ruiz Suta, Maria Paula; Marín Cerón, Maria Isabel; Noriega Londoño, Santiago
Magnetic susceptibility anisotropy (ASM) is a method that allows characterizing the magnetic factory of rocks and sediments, and this in turn serves to estimate the type of tectonic deformation generated by a stress field. In the zone of influence of an active fault, the magnetic factory allows to measure the tectonic deformation associated with the displacement of said structure, in addition, if this deformation is printed in quaternary deposits, it is possible to estimate the geometry and kinematics of these faults and contribute to the neotectonic knowledge of a region. This work explores the application of ASM techniques on deformed quaternary deposits that cover active faults with the aim of providing information about the geometry and kinematics of faults with recent displacements in the eastern and western edge of the Aburrá Valley, where they have been reported neotectonic sites of interest. The results obtained suggest that there is a relationship in deformation for both sides of the Aburrá Valley due to the similarities in the maximum and minimum stresses and the anisotropy present at each point of interest. Finally, it is concluded that the application of ASM in sediments deformed by active faults provides fundamental information for the calibration of the models of tectonic evolution and the evaluation of the seismic threat in the metropolitan area of the Valle de Aburrá and its neighboring sectors

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Examinando Geología (trabajo de grado) por Materia "Actividad neotectónica reciente"

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