It occurs in the Ordovician horizon.This paper focuses on metallogeny related magmatism,rifting structures and geochemistry.It also describes ore sources, minerals, element zoning...

• 本文侧重阐明与成矿密切相关的岩浆活动、断裂构造及其地球化学特征，论述了矿质来源、矿物、元素分带、成矿热液演化中银的性状，进而辨析矿床的成因。