Tracing Neoproterozoic subduction in the Borborema Province (NE-Brazil): clues from U-Pb geochronology and Sr-Nd-Hf-O isotopes on granitoids and migmatites - Ganade, Carlos E.; Cordani, Umberto G.; Weinberg, Roberto F.; Basei, Miguel Angelo Stipp; Armstrong, Richard (South American Symposium on Isotope Geology, 2014)