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e dong nan di qu guang yi xi ka yan kuang chuang de cheng yin yu shen bu zhao kuang
Author(s): 
Pages: 86-91
Year: Issue:  z1
Journal: Resources Environment & Engineering

Keyword:  广义矽卡岩矿床深源流体深部找矿;
Abstract: 广义矽卡岩矿床是指与矽卡岩有成因联系的矿浆贯入型、接触交代型(矽卡岩型)、斑岩-矽卡岩型、层控-矽卡岩型、气成热液型等矿床类型组成的矿床亚系列。其成矿物质主要来源于深源,与地幔隆起有关的深源成矿流体在“开合”率控制下,在深部与岩浆混熔或出熔,至浅部或熔离-贯入或接触交代或热液交代、充填成矿。这类矿床在时间上有不同成矿作用的叠加性,在空间上具有分带性,在成矿空间尺度上较传统狭义矽卡岩大为拓宽,在矿床类型上也不再拘束于接触交代型矿床。以铜录山-鸡冠咀矿田深部找矿为例进行介绍,并预测该区矿床深部及外围深部有较大找矿潜力。
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