南秦岭夏家店卡林型金矿床构造特征与成矿关系
Northwestern Geology(2004)
Abstract
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.
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Key words
south qinlingshaanxi,mineralization,tectonic,carlin-type
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