1. Key Laboratory of Isotope Geochronology and Geochemistry, Guangzhou Institute of Geochemistry; Chinese Academy of Sciences; Guangzhou 510640 China
2. Beijing SHRIMP Center, Institute of Geology; Chinese Academy of Geological Sciences; Beijing 100037 China
3. Geological Laboratory Center; China University of Geosciences (Beijing); Beijing 100083 China
4. Department of Geosciences; National Taiwan University; Taipei 106 Taiwan
5. Tectonics Special Research Centre, School of Earth and Geographical Sciences; University of Western Australia; Crawley, WA 6009 Australia