(4) The palaeotectonic movements resulted in the complicate stages of fractures, the relations between fractures were cutting, confinement, tacnode and so on, and formed 2 types 6 groups fractures.
(4) 受多次古构
运动的影响，南江地区裂缝之间的关系较复杂，有切
、
、互切
轭、追踪改等关系，形成了两
6
构裂缝。
