1. 1State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
2. 2College of Earth Sciences, Jilin University, Changchun 130061, China
3. 3Department of Mineral Resources, Technical University of Clausthal, Clausthal-Zellerfeld 38678, Germany
4. 4Institut de Physique du Globe de Paris, Université de Paris, CNRS, Paris 75005, France