| 内蒙古自治区阿巴嘎旗必鲁甘干铜钼矿地质特征及成因探讨 |
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| 引用本文： | 孙忠全,黄先春.内蒙古自治区阿巴嘎旗必鲁甘干铜钼矿地质特征及成因探讨[J].甘肃地质学报,2014,23(1):52-59. |
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| 作者姓名： | 孙忠全 黄先春 |
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| 作者单位： | [1]山东省地矿局第六地勘院,山东烟台265400 [2]湖北省第六地质大队,湖北孝感432100 |
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| 摘 要： | 必鲁甘干矿区位于天山—阴山内蒙地槽华力西晚期褶皱带阿巴嘎旗复向斜中段,查干敖包(必鲁甘干)倒转背斜核部。区内NE向断裂构造控制了印支期花岗斑岩体及特大型斑岩型铜钼矿床的分布。通过勘探查明主矿体延长2 300m,延深1 850m,平均厚度46.24m。铜钼矿赋存于花岗斑岩与硅质角岩内外接触带,赋矿岩石主要为花岗斑岩和硅质角岩。矿体形态以透镜状—似层状为主,属斑岩型铜钼矿。
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| 关 键 词： | 必鲁甘干 NE向断裂 花岗斑岩 硅质角岩 蚀变分带 斑岩型铜钼矿 |
GEOLOGICAL CHARACTERISTICS AND GENESIS OF BILUGANGAN COPPER-MOLYBDENUM DEPOSIT IN ABAG BANNER,INNER MONGOLIA |
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| SUN Zhong-quan and HUANG Xian-chun.GEOLOGICAL CHARACTERISTICS AND GENESIS OF BILUGANGAN COPPER-MOLYBDENUM DEPOSIT IN ABAG BANNER,INNER MONGOLIA[J].Acta Geologica Gansu,2014,23(1):52-59. |
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| Authors: | SUN Zhong-quan and HUANG Xian-chun |
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| Institution: | 1. No. 6 Geological Team of Shandong Bureau of Geology and Mineral Resources, Yantai 265400, China; 2. No. 6 Geological Team of Hubei Bureau of Geology and Mineral Resources, Xiaogau 432100, China) |
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| Abstract: | The Bilugangan prospecting area is located in the middle part of Abag Banner Synclinorium of the fold belt formed during Late Variscan stage in Tianshan-Yinshan-Inner Mongolia Geosyncline. In this area, the distribution of Indosinian rock mass of granite porphyry and super-large porphyry-type copper-molybdenum deposit is controlled by NE faults. Through exploration, it has been proved that the main orebody extends to a length of 2 300m, and a depth of 1850m, with its width averaging 46.24m. The copper-molybdenum ore occurs in the inner and outer contact zones of granite porphyry and siliceous hornfels, and its host rock is mainly granite porphyry and siliceous hornfels. The forms of the orebody are mainly lentoid and bedded. |
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| Keywords: | Bilugangan NE fauh granite porphyry siliceous hornfels alteration zoning porphyry-type copper-molybdenum ore |
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