Deformational sequence of inversion in the Paramirim Aulacogen, northern region of the intracontinental sector of the Araçuaí Orogen

The Paramirim Aulacogen was filled by the Espinhaço and São Francisco supergroups in period from 1.75 to 0.69 Ga, suffered partial inversion during Ediacaran. In northern sector of intracontinental domain Araçuaí-WestCongo Orogen, six compressive deformational phases were interpreted associated with frontal Aulacogen. Three structural domains identified: Jacaraci Fold-Thrust Belt, Caetité Nappe, Transpressive Domain. nucleation structures is related a maximum stress field general WSW-ENE orientation. first phase (D1), found Belt Transpressional Domain, evolution Rio Pardo Salient. A dextral transpressional system nucleated Nappe. This also juxtaposed amphibolite facies rocks over lower temperature facies, as well Statherian Tonian rocks. Furthermore, this responsible for deformation late Belt. region presents variety is, therefore, an excellent natural laboratory studying positive aulacogens.