GEOLOGIA DA FOLHA DE AGUAÍ, SP

Abstract

The Aguai area comprehends oriental Paraná Basin part and crystalline basement. The Pinhal Complex crystalline rocks (upper precambrian) are characterized by granites and migmatites presenting variated structures and textures. The sedimentary rocks belongs to the Itararé Subgroup (Permian-Carboniferous), Piraçununga Formation (Tertiary) and to alluvial sediments (Quaternary). ln the ltararé Subgroupoccur diabase intrusions specially in the central north part of the area. The Itararé Subgroup sediments, sandstones, siltstones, diamÍl:tites and shales are disposed deranged in the whale unit. The Cenozóic comprehends Piraçununga Formation (sands and basal conglomerates) and quaternary (alluvial plains) along the main rivers.