@inproceedings{inproceedings86e0b1ef, title = {U/Pb SHRIMP zircon ages of migmatites from the basement of the Embu complex, Ribeira fold belt, Brazil: indications for ~1.3-1.4 Ga Pb-Pb and Rb-Sr "ISOCHRON" ages of no geological meaning}, author = {Babinski, Marly and Tassinari, Colombo Celso Gaeta and Nutman, Allen and Sato, Kei and Martins, P. R. and Iyer, Sundaram Sankara Subba}, year = {2001}, publisher = {Sociedad Geológica de Chile}, booktitle = {South American Symposium on Isotope Geology} }