Colombo Celso Gaeta TassinariProf. Colombo C. G. Tassinari has a degree in geology and a PhD from the University of São Paulo in 1988. He is coordinator of High Resolution Geochronology Laboratory and Full Professor of Institute of Geosciences and Institute of Energy and Environent University of São Paulo, and was director of both Institutes. He has expertise in geochronology, isotope geochemistry, metallogeny, and tectonics. He is a member of the Brazilian Academy of Sciences. Read More Read Less