| 风化型和含煤建沉积型高岭土的物质组成对比研究 |
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| 引用本文： | 魏俊峰.风化型和含煤建沉积型高岭土的物质组成对比研究[J].华东地质学院学报,2000,23(3):184-187. |
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| 作者姓名： | 魏俊峰 |
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| 作者单位： | 中国科学院广州地球化学研究所,广州五山 |
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| 摘 要： | 我国高岭土资源丰富，矿床类型多，其中风化和含煤建造沉积型是两类比较重要的高岭土矿床，对这两类高岭土矿床化学组成，矿物组成及高岭石矿物学特征的异同点进行研究和探讨，其结果表明，风化高岭土的化学成分一般属硅高铝低型，钾含量偏高，钛含量低，铁含量则随成矿线岩和风化条件的不同波动范围大，矿物组成主要为结晶度较差的高岭石、水云线和石英，以及极少量的管状埃洛石，含煤建造沉积型高岭土一般属铝高硅低型，钾含量低，钛含量明显偏高，矿物组成简单，高岭石含量〉９５％，结晶度较好。
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| 关 键 词： | 矿物组成 高岭土矿床 风化型 含煤建造沉积型 |
| 文章编号： | 1000-2251(2000)03-0184-04 |
| 修稿时间： | 2000年3月7日 |
A Comparative Study on Material Composition between Weathering Residual Kaolin and Coal-bearing Formation Sedimentary One |
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| WEI Junfeng.A Comparative Study on Material Composition between Weathering Residual Kaolin and Coal-bearing Formation Sedimentary One[J].Journal of East China Geological Institute,2000,23(3):184-187. |
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| Authors: | WEI Junfeng |
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| Abstract: | The paper stressed on the similarities and differences in chemical composition,mineralogical composition and characteristics between weathering residual kaolin and coal\|bearing formation sedimentary one.Chemical analyses showed that the former was characterized by higher SiO\-2,K\-2O and lower Al\-2O\-3,TiO\-2 than the later,as well as the content of Fe varying on a great range with the deposit-forming parent rocks and weatering conditions.Calculated mineral composition by chemical composition combined with X\|ray powder diffraction analyses showed that the former generally consisted mainly of poorly\|crystallized kaolinite and small amounts of illite and quartz,and the later contained well\|crystallized predominent kaolinite(over 95%). |
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| Keywords: | Kaolin Chemical composition Mineralogical composition Mineralogical characteristics |
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