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矿床地质  2010 

在宁芜玢岩铁矿深部寻找大冶式铁矿的探讨——以宁芜铁矿南段为例

Keywords: 地质学,地球物理学,“丰”字型成矿模式,宁芜式铁矿,大冶式铁矿,找矿预测,宁芜盆地南段

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Abstract:

通过对长江中下游Fe-Cu-Au多金属成矿带内重要的宁芜、大冶铁矿成矿模式和成矿地质背景的分析,按照成矿系列中缺位预测的原则,认为在宁芜盆地南段的深部,岩体具有双层结构特征,进而结合其深部存在着与矿体相关的膏盐层,提出了宁芜玢岩铁矿之下应存在大冶式铁矿的新认识。在此基础上,建立了宁芜盆地南段“丰”字型成矿模式,并采用多重物探方法重点对姑山铁矿南部进行了综合探测。探测结果表明,该区应具有较好的找矿潜力。

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