New evidence of an Ediacaran age for the Bambuí Group in southern São Francisco craton (eastern Brazil) from zircon U–Pb data and isotope chemostratigraphy - Paula-Santos, Gustavo; Babinski, Marly; Kuchenbecker, Matheus; Caetano-Filho, Sergio; Trindade, Ricardo Ivan Ferreira da; Pedrosa-Soares, Antônio Carlos (Gondwana research, 2015)