Shuangbiao Han
College of Geoscience and Surveying Engineering, China University of Mining and Technology (Beijing), Beijing 100083, P. R. China
China

Jie Huang
College of Geoscience and Surveying Engineering, China University of Mining and Technology (Beijing), Beijing 100083, P. R. China
China

Alain Prinzhofer
GEO4U, Rio de Janeiro 22250-040, Brazil
Brazil

Chengshan Wang
School of Earth Sciences and Resources, China University of Geosciences (Beijing), Beijing 100083, P. R. China
China