南秦岭夏家店卡林型金矿床构造特征与成矿关系
Tectonic and mineralization of Xiajiadian Carlin-type gold deposit in South Qinling,Shaanxi
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摘要: 从地质背景、矿床地质、控矿构造分析了夏家店金矿床特征及其形成过程及成矿机理;矿床产于南秦岭陡岭古隆起边缘寒武系-震旦系碳-泥-硅质板岩及白云岩中;控矿构造具有二次韧性剪切变形、二次构造角砾岩化及二次脉体矿化的特征,显示出式样多种、性质多样、形式多变、活动期次与阶段多次叠加的特点;具体阐述了各构造作用阶段与矿化蚀变之间的关系,建立了地层建造-剪切与张裂构造-热液渗流的成矿系统.属于沉积岩系、构造、热液活动3种地质作用叠加改造的卡林型金矿床.Abstract: Based on study of geological setting,ore-controlling tectonic,the paper probes into the geological characteristics and metallogenic mechanism of Xiajiadian gold deposit.The deposit occurs in the carbargillite-siliceous rock and ferroan carbonate rock of the Sinian-Cambrian system on the border of the Douling doming paleostructure in South Qinling.The tectonic system is become ore-control leading factor,this is manifold type and shape,varied nature,pulsution of many time of the tectonic activity.By study of relationship of structural analysis and mineralization-alteration has been set up remould met allogenic system of strat a control-shear and tension struct ure-hydr othermal convection.Xiajiadian gold deposit of like Carlin type is subjected to control of manifold control and reform of geological condition.
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张复新,季军良,龙灵利,等.南秦岭卡林型-似卡林型金矿床综合地质地球化学特征[J].地质论评,2001,47(5):492-499.
陈柏林.金矿床和金成矿作用研究进展[J].地质论评,2001,47(1):111-112.
张复新,宗静婷,马建秦.秦岭卡林型金矿床及相关问题探讨[J].矿床地质,1998,17(2):172-184.
张复新,魏宽义,马建秦,等.南秦岭微细粒浸染型金矿床地质与找矿[M].西安:西北大学出版社,1997.
张复新,马建秦,魏宽义.镇安米粮地区微细粒浸染型金矿床与构造演化的关系[J].矿床地质,1995,14(1):26-34.
任涛.陕西山阳夏家店金矿床地质特征及前景分析[J].西北金属矿产地质,合刊(26-27).2001.
张复新.秦岭微细粒浸染型层控锑金矿床金赋存状态研究[J].地质论评,1996,42(6):541-549.
郑明华,等.喷流型与浊积型金矿床[M].成都:四川科学技术出版社,1994.
卢纪英,李作华,张复新,等.秦岭板块金矿床[M].陕西科学技术出版社,2001.
张本仁,等.秦巴岩石圈构造及成矿规律地球化学研究[M].武汉:中国地质大学出版社.1994.
张复新,马建秦,陈衍景.秦岭卡林型金矿床金、砷地球化学探讨[J].地球化学,1999,28(5):453-463.
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