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A bacia do ribeirao Agua das Antas encontra-se no centro-norte do estado do Parana, na transicao do Segundo para o Terceiro Planalto Paranaense, nas bordas planalticas da bacia sedimentar do Parana. Na presente pesquisa, foram identificados os compartimentos geomorfologicos da bacia, os quais foram mapeados e analisados, verificando a influencia de possiveis eventos neotectonicos e paleoclimaticos na genese do mesmo. Verificou-se que os conjuntos litotipicos presentes na bacia sao facilmente associados a morfologia da paisagem e fortemente condicionados ao ambiente geoestrutural. Os diferentes litotipos apresentam grau diferencial de resistencia ao intemperismo e erosao, refletindo diretamente no modelado do relevo. A presente pesquisa justifica-se pela ausencia de mapeamentos geomorfologicos no Norte-Central Paranaense, alem da falta de estudos que busquem compreender a evolucao da paisagem nas bordas planalticas. Abstract The river basin Agua das Antas is located in the central north of the Parana state, at the transition from the Second to the Third Plateau in Parana, in the plateau border of the sedimentary basin of Parana. This research identified the basin geomorphological compartments which were mapped and analyzed, verifying the influence of possible neotectonic and paleoclimatic events at their genesis. It was found that the lithotype groups found in the basin are easily associated to the landscape morphology andstrongly conditioned to the geostructural environment. The different lithotypes show a differential degree of resistance to weathering conditions and erosion, reflecting directly on the relief surface. This research is justified not only by the absence of geomorphological mapping in the central north of Parana but also by the lack o studies that seek to understand the evolution of the landscape in the plateau border.

Morphostructural Domains and Geomorphological Evolution of the Água das Antas River Watershed