Key Laboratory of Crustal Dynamics;
Institute of Crustal Dynamics;
China Earthquake Administration;
Beijing 100085;
China;
Key Laboratory of Orogenic Belts and Crustal Evolution;
Ministry of Education;
School of Earth and Space Sciences;
Peking University;
Beijing 100871;
China;
Institute of Oil & Gas;
Peking University;
Beijing 100871;
China;
MLR Key Laboratory of Metallogeny and Mineral Resource Assessment;
Institute of Mineral Resources;
Chinese Academy of Geological Sciences;
Beijing 100037;
China;
No.1 Oil Producing Plant of PetroChina Qinghai Oilfield Company;
Dunhuang 736202;
China;
Exploration Department;
PetroChina Qinghai Oilfield Company;
Dunhuang 736202;
China;
Carbon; and; oxygen; isotopes; Northern; Tibetan; Plateau; Qaidam; basin; Paleoelevation;