The Houshiding Archean repeated fold within the Fuping domal compositefold group is located in the "hook" of a "hook-like" fold.
猴石顶太古界重褶皱位于阜平太古宙穹状复合褶皱群中一个钩状褶皱的“钩子”部位。
2
Starting from analyzing the theory of plane stress field, the paper introduced mechanical mode for simple fold and composite structural mode and analyzed the theory of structural fracture.
本文从平面应力场理论分析入手，介绍了简单褶皱的力学模式、复合构造模式，并进行了构造裂缝的理论分析。
3
Studies show that the ore-controlling modes in Fengjiayu iron ore area include fold texture and ductile-brittle shear fracture composite texture types.