1. Department of Earth Sciences, University of Toronto, Toronto, Ontario M5S 3B1, Canada
2. Department of Geology and Environmental Sciences, State University of New York at Fredonia, Fredonia, New York 14063, USA
3. State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China, and Innovation Academy for Earth Sciences, Chinese Academy of Sciences, Beijing 100029, China