Incompatible trace-element analyses of pyroxenes and olivine from spinel lherzolite mantle xenoliths from Ubatuba (SP) and Coromandel (MG) by LA-ICPMS - Almeida, Vidyã Vieira; Janasi, Valdecir de Assis; Navarro, Margareth Sugano; Andrade, Sandra; Svisero, Darcy P (Congresso Brasileiro de Geologia, 2008)