Abstract
The Anta Gorda Anticlinorium is located in the Apiaí Terrain (Southern Ribeira Belt), comprising Statherian mylonitic orthogneisses (Núcleo Tigre) and a Calymmian metasedimentary rocks association (Votuverava Group). The metamorphism recorded in the Votuverava Group metapelites range from biotite to kyanite zone. A low-angle shear zone is responsible for intense mylonitization, that affec…