| 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： | 王之田,潘龙驹,李伟实,秦克章.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[J].矿床地质,1993,12(3):212-220. |
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| 作者姓名： | 王之田 潘龙驹 李伟实 秦克章 |
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| 作者单位： | 中国有色矿产地质研究所 北京(王之田，秦克章)，黑龙江有色地质勘查局 齐齐哈尔(潘龙驹，李伟实) |
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| 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。
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| 关 键 词： | 成矿集中区 成矿模式 斑岩 勘探 |
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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