| 用最优分割法处理华北地区前寒武纪变质岩系的同位素年龄数据 |
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| 引用本文： | 张彦波.用最优分割法处理华北地区前寒武纪变质岩系的同位素年龄数据[J].地质科学,1979,14(1):78-91. |
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| 作者姓名： | 张彦波 |
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| 摘 要： | 前言随着地质工作的不断发展,进一步利用同位素地质年龄资料研究和解决地质问题显得越来越重要。我国同位素地质年代学的研究在迅速的发展过程中积累了大量资料。如何根据数学原理,用电子计算机处理和利用这些资料是当前急待解决的问题。本文企图在这方面做些尝试,探索处理和利用同位素地质年龄资料的新方法。
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| 关 键 词： | , |
ANALYSIS OF ISOTOPIC AGE DATA OF PRECAMBRIAN METAMORPHIC ROCKS IN NORTH CHINA REGION BY OPTIMAL SECTION |
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| Zhang Yanbo.ANALYSIS OF ISOTOPIC AGE DATA OF PRECAMBRIAN METAMORPHIC ROCKS IN NORTH CHINA REGION BY OPTIMAL SECTION[J].Chinese Journal of Geology,1979,14(1):78-91. |
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| Authors: | Zhang Yanbo |
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| Abstract: | Using optimal section, subdivision and correlation of periods of regional metamor-phism occurring in Precambrian metamorphie rock series and stratigraphic sequence are made on the basis of isotopic age data for the crystaline basement in North-China region. The seven periods thus divided agree basically with the stratigraphic subdivisions. This example shows that optimal section is a useful method for analysing isotopic age data and dividing and correlating stratigraphic sequence. |
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