In the crustal evolutionary history three stages can be recognized: the Archean Mesoproterozoic was the pre orogenic stage, the Neoproterozoic Triassic was mainly the orogenic.
在地壳演化历史中可分为３个阶段，即太古代—中元古代为前造山阶段，晚元古代—三叠纪为主造山阶段，侏罗—白垩纪为后造山阶段。
,tiny,feeble,medium,strong and bally strong alteration stages,and each of them resulted in comparative alteration basins.
中国沉积盆地后期改造强烈，大致可划分为５ 个阶段，即微改造阶段、弱改造阶段、中等改造阶段、强改造阶段和极强改造阶段，并各自形成相对应的改造盆地。
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