Abstract
The southern portion of the Mantiqueira Province is formed by the Dom Feliciano Belt, which extends from Santa Catarina to Uruguay. The Florianópolis Batholith crops out in the state of Santa Catarina and corresponds to significant Neoproterozoic magmatism, being composed of granitic suites. Isotropic to deformed equigranular to porphyritic syeno to monzogranites occur in the northwest re…