The Sijiazhuang minefield in Xiyang County,Shanxi Province is located in the Yangquan mining area strike transition from NW to NS zone,had experienced three stressing actions early or late.

• 山西省昔阳县境内寺家庄井田在构造上处于阳泉矿区地层走向由北西向南北方向的转折地带,先后经过三次应力作用。