Abstract
This paper focuses on the spatial distribution of the main tar sand occurrences in the Eastern Border of the Paraná Basin, São Paulo State. The spatial analysis of these occurrences was performed according to geological features present in the area. Field data, geocronological data, airborne magnetometrics und remote sensing data have provided information for structural maps, lineament maps and magnetometric maps. Based on the regional and field data it was described the main elements and processes related to the genesis of the tar sand occurrences in the area. It was concluded that the best genetic model relates oil generation to the intrusion of sills of the Serra Geral Formation in the black shales of the Irati Formation Formation; migration through faults and dike walls and accumulation in the sandstones of Pirambóia Formation, trapped by argillaceous layers of the interdune and fluvial facies of Pirambóia Formation and by basic dikes.
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