This work was supported by the Foundation of the Tianshan Glaciology Station, the Chinese Academy of Sciences (Grant No. 9905);the National Natural Science Foundation of China (Grant Nos. 49971080 and 49731010);the Cold and Arid Regions Environment
The Shaerqiaoke Gravel, more than 400 m in thickness, on the north piedmont of the Tianshan Mountains, is located at the exit of the Urümqi River Valley and belongs to the Molasse construction of the Tianshan Mountai...