盆地构造沉降和沉积过程主要受北缘和西缘张性断层的控制。
Tectonic subsidence and sedimentation were primarily controlled by the northern and western basin border faults.
从而为根据小尺度断裂构造密度的变化预测大型张性断层构造提供了理论依据。
The theoretic evidence was provided to forecast a large size tensile fault depending on the density change of small fracture structure.
下古生界的勘探区带评价的关键性指标首先是存在有效盖层，然后考虑张性断层对局部封盖条件的破坏作用。
The existence of effective cap rock is the key index of performing play evaluation on Palaeozoic prospecting, then to consider that tensional fault destroyed the cap rock in limited region.
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