更新世晚期。由于新构造的差异升降，旱峡成为西江在这一带第一次改道的中期古河道。
Due to the differential neo-tectonic lift and fall at Late Pleistocene Epoch, Xijiang River changed its course for the first time in the Dry Gorge.
赣江下游河道在历史上曾发生过多次改道变迁。
Gan River lower reaches Stream was divagated and transited several times in history.
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