College of Earth Sciences;
Jilin University;
Changchun 130061;
China;
Development and Research Centre of China Geological Survey;
Beijing 100037;
China;
Zircon; U-Pb; Chronology; and; Whole-rock; Sr-Nd; Isotope; Compositions; of; Granite; Porphyry; in; the; Kaladaban; Area; of; the; Northern; Altyn; Northern;