Qinghai Regional Survey and Comprehensive Geological Party;
107 Nanchuan West Road;
Xining;
Qinghai Province 810012;
Qinghai Institute of Geological and Mineral Exploration;
Xining 810012;
Qinghai;
central mountains; Qinling; Qilian and Kunlun orogenic belts; junction and evolution; intracontinental transform fault;