| 内蒙满洲里一新巴尔虎成矿集中区成矿演化、成矿模式与勘查模式 |
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| 引用本文：.1993.Metallogenic evolution,metallogenic model and exploration model of the Manzhouli-Xin Barag metallogenic provlnce, Inner Mongolia[J].Mineral Deposits,12(3):212~220 |
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| 中文摘要:本区为具有超大型多金属资源潜力的成矿集中区。成矿受太平洋板块构造影响。矿床类型有斑岩型、次火山热液型、矽卡岩型，它们为具有成因联系的不同深度、不同地质环境下的产物，统称为斑岩成矿系列。总结了宏观、微观综合找矿评价标志，建立了勘查模式。 |
| 中文关键词:满洲里 成矿集中区 成矿模式 勘查模式 斑岩 |
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| Metallogenic evolution,metallogenic model and exploration model of the Manzhouli-Xin Barag metallogenic provlnce, Inner Mongolia |
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| Abstract:The study area, belonging to the Ergun Early Caledonian accretionary fold system, is a metallogenic province with potential supergiant polymetallic resources. The Upper Proterozoie-Lower Cambrian regional basement is the extension of tile margin of the Siberian craton, and the metallization was intensely affected by the Pacific plate tectonics. The NE-trending Ergun-Hulun deep fault controlled strong Yanshanian volcanic-magmatic activity and the ore-forming process. whereas the NW-trending lateral tenso-shear or tensional faults controlled tile formation of Orefields. Ore deposits in tiffs area are of porphyry type, subvolcanic hydrothermal type and skarn type. Being genetically-related products formed at different depths and in different environments, they may be regarded integratedly as a porphyry metallogenic series. 15 macroscopical and microscopical composite criteria for ore prospecting and assessment were summed up, an exploration model Was advanced and, as a result, remarkable economic benefits have been achieved. |
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