Based on the macroscopic characteristics, microstructure and fabric of the tectonite in the Yingxin fault zone,this paper proves that there are two types of tectonite, i.

• 依据龙门山中段映秀断裂带构造岩的宏观地质特征、显微构造及组构特征，论证了构造岩具有脆性和韧性两大类型，形成序次上为先韧性后脆性。