| 川西北甘孜一道孚地区岩浆岩体系的亲缘性研究 |
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| 引用本文： | 孟宪伟,毛华海,任永云.川西北甘孜一道孚地区岩浆岩体系的亲缘性研究[J].岩石矿物学杂志,1995,14(2):133-140. |
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| 作者姓名： | 孟宪伟 毛华海 任永云 |
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| 摘 要： | 不同时期、不同类型的岩浆岩，尽管岩石化学成分的绝对含量不同，但其数据集的内部结构常常存在着某种成因联系。本文应用成分数据统计分析中的变异矩阵分析、子成分分析和主分量分析研究川西北甘孜－道孚地区华力西期、印支期和燕山期不同类型岩浆岩的亲缘性，进而探讨其成因联系。
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| 关 键 词： | 岩浆岩体系 成分数据 主分量分析 亲缘性 |
A Study on the Affinity of the Magmatite Sygtem in Ganze-Daofu Area,Northwestern sichuan |
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| Abstract: | Magmatic rocks of various periods and types, though different in absolute
contents of chemical components, exhibit certaih genetic corrections in their
inner structures of data Set.Using variation matrix analysis, subcompo}ition
analysis and principal component analysis which all belong to the statistical
analytic methods of compositional data, the present paper has studied the
affinity of different typca of magmatic rocks formed in Variscaz:, Indosinian
and Yanshanian periods in Ganze-Daofu area and, furthermore, dealt tentati-
vely with their genetic connections. |
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| Keywords: | magmatite system compositonal data variation matrix sub-composition analysis principal component analysis |
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