| 两淮煤田山西组顶部高岭石泥岩特征及其成因 |
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| 引用本文： | 胡宝林.两淮煤田山西组顶部高岭石泥岩特征及其成因[J].安徽地质,1996(1). |
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| 作者姓名： | 胡宝林 |
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| 作者单位： | 淮南矿业学院资环系 |
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| 摘 要： | 两淮煤田山西组顶部分布有一层Ｋ２高岭石粘土岩，该岩层层位稳定、分布广、质地纯，矿物成分基本为高岭石。化学全分析及微量元素测定表明：岩石中ＳｉＯ２／Ａｌ２Ｏ３比值一般在１．１７～１．７之间，其中碱金属，碱土金属及硼含量都较本区其它层位泥岩含量低。作者认为：Ｋ２粘土岩除受沉积环境控制之外，其成岩时期的构造、气候条件及地下水介质条件，对其形成起着决定性作用。研究表明：Ｋ２粘土岩形成于地形平坦，气候温暖潮湿的上三角洲及下冲积平原之中，在地壳稳定条件下，沉积粘土受到长期风化淋漓而形成。
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| 关 键 词： | 高岭石粘土岩，沉积环境，淋漓作用，下二叠统山西组，安徽两淮地区 |
THE FEATURES AND GENESIS OF KAOLINITE MUDSTONE ON THE TOP OF SHANXI FORMATION IN THE LIANGHUAI COAL FIELDS |
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| Hu Baolin.THE FEATURES AND GENESIS OF KAOLINITE MUDSTONE ON THE TOP OF SHANXI FORMATION IN THE LIANGHUAI COAL FIELDS[J].Geology of Anhui,1996(1). |
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| Authors: | Hu Baolin |
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| Institution: | The Dept. of Resources and Environment of Huainan Mining Institute |
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| Abstract: | Based on study of the mines and chemical composition of kaolinite mudstone K2 on the top of Shanxi Formation in Lianghuai coal fields,the author analyzed the depositional environment and the condition of flood plains and lower alluvial plain was formed bya time of weathering and leaching on the background of stable earth crust. |
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| Keywords: | kaolinite depositional environment weathering and leaching lower Permian series of Shanxi Formation Lianghuai area of Anhui |
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