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内蒙古嘎仙超基性岩成矿地质特征与矿床成因讨论

Mineral Exploration(2016)

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Abstract
嘎仙镍钴铅锌矿床的形成与镁质超基性岩密切相关.已发现的低品位、大规模镍矿体,产于主岩体的中间或下盘部位.其产状、规模、形态,依附岩体而变化,并严格受岩体控制.嘎仙含矿蚀变岩体,具有镍钴元素含量偏高、低S、贫Cu、PGE含量较低(局部有偏高)现象,成矿特征具有特殊性.据现有资料分析认为,矿床成因类型应属岩浆熔离—热液改造型硫化物镍矿床.
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