@article{machado_dehler_vasconcelos_2007,  title={40Ar/39Ar ages (600-570 Ma) of the Serra do Azeite transtensional shear zone: evidence for syncontractional extension in the Cajati area, southern Ribeira belt},  volume={79},  ISSN={0001-3765},  url={https://doi.org/10.1590/S0001-37652007000400011},  DOI={10.1590/S0001-37652007000400011},  number={4},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={Machado, Rômulo and Dehler, Nolan M. and Vasconcelos, Paulo},  year={2007},  month={Dec},  pages={713–723} }