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围山城金银矿带位于南阳,吴城两个新生代断陷盆地之间,属秦岭东西复杂构造带东段南支。矿带内银洞坡金矿床、破山大型银矿床,具明显层控和矿液多次叠加富集的特征。自1976年以来较多单位对矿带及上述两矿床进行过研究,并相继撰写有关专文论述,本文拟着重讨论地质构造条件在成矿过程中的控制作用。一、矿带地质构造简介矿带内上元古界歪头山组(pt_(3W))为一套变质火山沉积岩系,分上、中、下三部,上覆大栗树组(Pt_(3d))为变质细碧角斑岩建造,两者组成纵贯全区的河前庄(朱庄)
Wai Mountain City gold and silver belt located in Nanyang, Wucheng two Cenozoic fault basin between the Qinling Mountains is the eastern part of the eastern section of the South Branch of the complex. The Yindongpo gold deposit in the ore belt and the large-scale silver-breached Pushan deposit have obvious characteristics of multi-stacking and enrichment of layer control and ore fluid. Since 1976, more units have conducted research on the ore belts and the above two deposits, and have written related articles elaborately. This paper focuses on the controllability of geological tectonics in the process of mineralization. I. INTRODUCTION TO THE GEOLOGICAL STRUCTURE OF ORE BELT An Upper Proterozoic Upper Yuantou Group (pt_ (3W)) is a set of metamorphic volcanic sedimentary rock series, including upper, middle and lower parts. The overlying chestnut tree group (Pt_ (3d )) For the metamorphic fine Cape horn porphyry construction, both of the composition of the river through the region Zhuang (Zhuang)