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The U–Pb and Lu–Hf isotopic research of detrital zircons was carried out in southern modern rivers of the South Tianshan (STS) orogenic belt to understand the accretionary processes and crustal evolution in this region. Detrital zircons from river sands yield two dominant age populations at 460–390 Ma and 310–260 Ma with several Precambrian age groups. Such age patterns imply that the significant...
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