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Euler deconvolution, based on the Euler's equation, is a powerful tool that can be applied in the estimative of mean depths of magnetic sources or magnetic bodies. This procedure, combined with geological and structural data, showed the definition of the geometry in depth of the Gandarela syncline region, located in the center-north portion of the Quadrilatero Ferrifero, Minas Gerais. Its structural framework is defined as a reclined fold with NE-SW trending axial trace and hinge zone plunging to the southeast. The Gandarela syncline is composed of thick metasedimentary units of Minas Supergroup and of greenstone sequence of the Rio das Velhas Supergroup. The results based on 2D and 3D Euler deconvolution applied in magnetic data from Brasil-Alemanha aerogeophysical project allowed to estimate the mean depths of the magnetic sources probably, associated to iron formations (Caue Formation and Nova Lima Group). Additionally, the geometry of the structure was confirmed by 2D magnetic modeling.

Geometria do Sinclinal Gandarela baseada na deconvolução Euler 2D e 3D: quadrilátero ferrífero (MG)