fault-block basin

基本解释

Xin-Ding fault-block basin is an important seismic area in Shanxi fault zone and there has been 3 earthquakes measuring over 7 on the Richter scale in its history .
忻定断陷盆地是山西断陷带重要的地震活动区域，历史上曾发生7级以上地震3次。
Combining with fault block oil fields in Qintong Sag, Jinhu Sag of Subei Basin, the article summarize the methods of determining oil-bearing area and effective thickness of fault block oil field.
结合苏北盆地溱潼、金湖凹陷断块油田含油边界和油层有效厚度的确定方法及思路，总结了断块油田石油地质储量计算含油面积和有效厚度的确定方法。
Block faulting activities inside basin develops, forming NE and NW fracture systems, thus cutting this basin into 47 tilted block faulting body and a series of overlying dustpan-like fault depression.
盆地内部断块活动发育，形成北北东向和北北西向两组断裂网络系统，切割改造成47个翘倾块断体和上覆的箕状断陷。