This research was supported by the National Natural Science Foundation of China (grant No. 49373164);the President's Funds of the Chinese Academy of Sciences
Coexisting quartz, feldspar and biotite vary widely in their δ18O values and display a remarkable 18O/16O disequilibrium relation; especially, a quartz-feldspar reversal (△ 18OQUartz_feldspar< 0) exsists in the Aral...