As a result of the 1 / 100,000 survey of the Uruguayan border strip delimited by the city of Rivera, the Capón Alto site and route 27, paleocorrientes of the Triassic Jurassic eoleanites of the units with which the Gondwanan sedimentation culminates the Paraná Basin in Uruguay. The Cumbilla Ombú formation of possible middle Triassic age, presents an average direction to the SE; the wind facies of the Tacuarembó pharmacy with a main component to the ENE, and for Rivera cuspidal formation , a marked dominance of the NE direction.
