There are no ages for Muscovite at Zhajistan U Deposit (Zajistan U Deposit; Thajistan U Deposit; Wuyiyi U Deposit; U Deposit No. 511), Chabucha'er Xibo Co. (Qapqal Xibe Co.; Chapchal Shibe Co.), Yili Hasake Autonomous Prefecture (Ili Kazakh Autonomous Prefecture), Xinjiang, China