Isotopic and geochemical constraints for a Paleoproterozoic accretionary orogen in the Borborema Province, NE Brazil: Implications for reconstructing Nuna/Columbia

Lauro Cézar M. de Lira Santos, Geysson A. Lages, Fabrício A. Caxito, Elton L. Dantas, Peter A. Cawood, Haroldo M. Lima, Felipe J. da Cruz Lima