The Dahu Au-Mo deposit,Lingbao County,Henan Province,is a typical fault-controlled lode deposit occurred in the north part of Xiaoqinling gold field.The ore-forming process can be divided into three stages.The early stage is characterized by pyritequartz veins,in which minerals were structurally deformed and broken,indicating that they formed in a compression or compressive distortion setting.The middle stage is characterized by molybdenite-pyrite-quartz stockworks (mostly coaxial or conjugated) infilling t...