Major global carbon cycle disturbances unveiled by paired carbon isotopes at the Ediacaran-Cambrian transition of the Bambuí Group (Brazil) - Caetano-Filho, Sergio; Paula-Santos, Gustavo; Sansjofre, Pierre; Guacaneme, Cristian; Trindade, Ricardo Ivan Ferreira da; Babinski, Marly (South American Symposium on Isotope Geology, 2018)