Institute of Geomechanics;
Chinese Academy of Geological Sciences;
Beijing 100081;
China;
Institute of Geology and Geophysics;
Chinese Academy of Sciences;
Beijing 100029;
China;
Chinese Academy of Geological Sciences;
Beijing 100037;
China;
Institute of mineral resources;
Chinese Academy of Geological Sciences;
Beijing 100037;
China;
The 2nd geological team;
Henan bureau of geology and mineral resources;
Jiaozuo 454002;
China;
Institute of Geology;
Chinese Academy of Geological Sciences;
Beijing 100037;
China;