The Key Laboratory of Orogenic Belts and Crustal Evolution Ministry of Education;
School of Earth and Space Sciences Peking University Beijing 100871 China;
Department of Environmental Geosciences Pukyong National University 599-1 Dayeong-dong Nam-gu Busan 608-737 Korea;
granitoids; geochemistry; Sm-Nd isotopes; petrogenesis; Paleoproterozoic; Guandishan;