In this paper an evaluation is made over the geochemistry signature of major elements in lateritic rocks on the counties of Granja, Martinópole and Parazinho, Northwest of Ceará State. Geologically, the area is located in Médio Coreaú Domain, characterized by the Granja Complex, which is the geological basement of the region, composed by gneiss, granulites and migmatites, and supracrustal sequences formed by qu...