| 广西涠洲岛沉凝灰岩土壤粘粒矿物的研究 |
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| 引用本文： | 蓝福生,梁发英,李瑞棠,莫权辉,陈平,叶栋.广西涠洲岛沉凝灰岩土壤粘粒矿物的研究[J].生态环境,1993(3). |
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| 作者姓名： | 蓝福生 梁发英 李瑞棠 莫权辉 陈平 叶栋 |
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| 作者单位： | 广西植物研究所，广西植物研究所，广西植物研究所，广西植物研究所，广西植物研究所，广西植物研究所 桂林 541006，桂林 541006，桂林 541006，桂林 541006，桂林 541006，桂林 541006 |
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| 摘 要： | 用X射线衍射分析和电子显微镜分析,对涠洲岛沉凝灰岩母质发育土壤的两个典型剖面八个土样的粘粒矿物进行分析研究。结果表明,离火山口距离不同的两个剖面土壤粘粒矿物组成不同,1号剖面以2:1型粘粒矿物为主,2号剖面则以1:1型粘粒矿物为主;结合其它分析结果,讨论了两个剖面土壤粘粒矿物组成不同的原因、对土壤有关特性的影响及其与土壤形成和分类的关系。
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| 关 键 词： | 沉凝灰岩土壤 粘粒矿物 X射线衍射分析 电子显微镜分析 |
STUDY ON CLAY MINERAL IN SOILS DERIVED FROM SEDIMENTARY TUFF ON WEIZHOU ISLAND OF GUANGXI |
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| Lan Fusheng,Liang Faying,Li Ruitang,Mo Quanhui,Chen Ping,and Ye Dong.STUDY ON CLAY MINERAL IN SOILS DERIVED FROM SEDIMENTARY TUFF ON WEIZHOU ISLAND OF GUANGXI[J].Ecology and Environmnet,1993(3). |
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| Authors: | Lan Fusheng Liang Faying Li Ruitang Mo Quanhui Chen Ping and Ye Dong |
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| Abstract: | The clay mineral of eight soil samples from two typical profiles derived from sedimentary tuff on Weizhou Island are analysed and studied with X-ray diffraction analysis and electron microscope analysis. The results show that the compositions of clay mineral in soils of two typical profiles which are in different distances from volcanic mouth are different. No. 1 profile is dominated by the clay mineral with a 2 : 1 layer-lattice structure and No. 2 profile is dominated by the clay mineral with a 1 : 1 layer-lattice structure. With other analytic results, the cause of the difference of the clay mineral composition in soils from the two profiles, the effect of the clay mineral composition on soil properties, and the relation between the clay mineral composition and soil formation / classification are discussed in this paper. |
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| Keywords: | Soil derived from sedimentary tuff Clay mineral X-ray diffraction analysis Electron microscope analysis |
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