| 大青山巨厚煤层夹矸中高岭石的显微特征及其成因意义 |
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| 引用本文： | 张慧,贾炳文,周安朝,郭敏泰.大青山巨厚煤层夹矸中高岭石的显微特征及其成因意义[J].矿物学报,2000,20(2):117-120. |
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| 作者姓名： | 张慧 贾炳文 周安朝 郭敏泰 |
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| 作者单位： | 1. 煤炭科学研究总院西安分院,西安,710054
2. 太原理工大学,太原,030024 |
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| 基金项目： | 国家自然科学基金资助项目!(批准号:496720 94) |
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| 摘 要： | 本文采用多种电子显微技术，研究了内蒙古大青山煤田晚古生代巨厚煤层平矸－隐晶质高岭石泥岩。透射电镜下，晶体程序不一、形态复杂多变的玻屑状高岭石和盘旋状埃洛石；扫描电镜下，泥粒状高岭石和蠕虫状高岭石及及二者所构成的斑状结构等许多具成因意义的微有（０．１～１０－μｍ）显微特征，充分证明该夹矸层为火山灰蚀变成因（ｔｏｎｓｔｅｉｎ）。
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| 关 键 词： | 煤层夹矸 高岭石 电子显微技术 大青山 煤田 |
MICROSCOPIC CHARACTERS OF KAOLINITE FROM THE DIRT BAND IN A MEGA-THICK COALSEAM, DAQINGSHAN AND THEIR GENETIC SIGNIFICANCE |
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| Zhang Hui,Jia Bingwen,Zhou Anchao,Guo Mintai.MICROSCOPIC CHARACTERS OF KAOLINITE FROM THE DIRT BAND IN A MEGA-THICK COALSEAM, DAQINGSHAN AND THEIR GENETIC SIGNIFICANCE[J].Acta Mineralogica Sinica,2000,20(2):117-120. |
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| Authors: | Zhang Hui Jia Bingwen Zhou Anchao Guo Mintai |
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| Abstract: | By means of electron microscope the authors have studied a dirt band in a mega\|thick coalseam from the Daqingshan coalfield (Late Paleozoic), Inner Mongolia. The dirt band is a cryptocrystalline kaolinite mudstone. Glassy kaolinites and whirling allokites have been observed under a transmission electron microscope; pisolitic kaolinite, worm\|like kaolinite and the porphyritic texture made up of the two under a scanning electron microscope. These microscopic characters have fully proved that the dirt band is of ash\|altered origin, i.e., tonstein. |
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| Keywords: | coalseam dirt band kaolinite electron microscope Daqingshan |
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