基金This paper is dedicated to the celebration of Prof. Zhendong You＇s 90th birthday. The corresponding author Neng-Song Chen has been benefited, throughout his life from Prof Zhendong You who is the supervisor of both the Master＇s and Doctoral degrees for him, and led him into the world of Metamorphic Geology. We would like to express our great thanks to two anonymous reviewers, whose constructive suggestions and comments have led to great improvements in the quality of this manuscript. We express our gratitude to Prof. Walter Mooney for his helpful suggestion and discussion. Professor Jingbo Liu is specially thanked for his kindly helps with English correction. This study was supported by the National Natural Science Foundation of China （No. 41672060） and the Undergraduate Teaching Projects of China University of Geosciences （Nos. ZL201610 and 2018G36）. The final publication is available at Springer via https：//doi.org/10. 1007/s 12583-018-0856-7.