| 内蒙古阿刀亥矿晚古生代煤中矿物的赋存状态及成因 |
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| 引用本文： | 邹建华,李大华,刘东,程礼军,朱长生,任世聪.内蒙古阿刀亥矿晚古生代煤中矿物的赋存状态及成因[J].矿物岩石地球化学通报,2012,31(2):135-138. |
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| 作者姓名： | 邹建华 李大华 刘东 程礼军 朱长生 任世聪 |
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| 作者单位： | 外生成矿与矿山环境重庆市重点实验室(重庆地质矿产研究院),重庆400042;煤炭资源与安全开采国家重点实验室重庆研究中心,重庆400042 |
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| 摘 要： | 运用偏光显微镜、低温灰化+X射线衍射仪、带能谱的扫描电镜对内蒙古大青山煤田阿刀亥矿晚古生代CP2煤层中矿物的赋存状态及其成因进行了研究.研究表明阿刀亥矿CP2煤层中矿物包括硬水铝石、勃姆石、磷钡铝石、高岭石、铵伊利石、方解石、白云石、菱铁矿、锐钛矿、氟磷灰石、石英和黄铁矿.硬水铝石、勃姆石、磷钡铝石、高岭石和铵伊利石一般充填在丝质体、半丝质体、结构镜质体胞腔中或者分布在基质镜质体中.方解石和白云石主要充填在裂隙中.硬水铝石、勃姆石和磷钡铝石是由来源于本溪组铝土矿风化壳的物质在泥炭聚集时沉积形成的.铵伊利石是由于花岗岩侵入体的影响形成的.方解石和白云石可能来源于岩浆热液.
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| 关 键 词： | 矿物 硬水铝石 磷钡铝石 煤 阿刀亥 |
The Occurrences and Genesis of Minerals in Late Paleozoic Coal from the Adaohai Mine, Inner Mongolia |
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| ZOU Jian-hua
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LI Da-hua
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LIU Dong
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CHENG Li-jun
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ZHU Chang-sheng
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REN Shi-cong.The Occurrences and Genesis of Minerals in Late Paleozoic Coal from the Adaohai Mine, Inner Mongolia[J].Bulletin of Mineralogy Petrology and Geochemistry,2012,31(2):135-138. |
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| Authors: | ZOU Jian-hua LI Da-hua LIU Dong CHENG Li-jun ZHU Chang-sheng REN Shi-cong |
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| Institution: | 1,2 1.Chongqing Key Laboratory of Exogenic Mineralization and Mine environment(Chongqing Institute of Geology and Mineral Resources),Chongqing,400042 China;2.Chongqing Research Center of State Key Laboratory of Coal Resources and Safe Mining,Chongqing,400042 China |
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| Abstract: | The occurrences and genesis of minerals in the late Paleozoic coal from the Adaohai,Daqingshan Coalfield,Inner Mongolia,were studied using the methods of microscope,low temperature ashing x-ray diffraction,and scanning electron microscope equipped with energy dispersive x-ray spectrometer.The results show that the CP2 coal contains minerals,such as diaspore,boehmite,gorceixite,kaolinite,ammonian illite,calcite,dolomite,siderite,anatase,fluorapatite,quartz,and pyrite.Diaspore,boehmite,gorceixite,kaolinite and ammonian illite are mainly filled in cells of fusinite,semifusinite and telinite or distributed in collodetrinite.Calcite and dolomite occur mainly as fracture-fillings.Diaspore,boehmite and gorceixite derive from weathered or oxidized bauxite of the Benxi Formation in the sediment-source region when peat accumulating.Ammonian illite results from the granite intrusion.Epigenetic calcite and dolomite may derive from igneous fluids. |
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| Keywords: | minerals diaspore gorceixite coal Adaohai |
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