T2阶地上覆的最老风尘沉积是黄土l1，对应氧同位素期MIS 2。
The oldest aeolian deposit on terrace T2 is loess L1, corresponding to oxygen isotope time MIS2.
因此，可以通过联合地貌面的级数确定断块隆升的期次，并通过阶地的年代推断断块隆升的起始时间。
Therefore the fault-block uplifting stages can be determined from the steps of unified geomorphic surfaces, and the starting time of uplifting can be deduced from the age of terraces.
在断块山地的山麓地带，同一期构造运动形成的麓原面与构造阶地有一定的共生关系。
In the piedmont zone of fault-block mountains the pediments and tectonic terraces developed during the same tectonic movement are possessed of a certain paragenetic relation.
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