| 华北地台太古宙地壳生长机制与构造体制转换 |
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| 引用本文： | 吴福元,葛文春,孙德有,林强.华北地台太古宙地壳生长机制与构造体制转换[J].吉林大学学报(地球科学版),1995(3). |
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| 作者姓名： | 吴福元 葛文春 孙德有 林强 |
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| 作者单位： | 长春地质学院地球科学系 |
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| 摘 要： | Ｓｍ－Ｎｄ同位素研究结果显示，华北地台太古宙构造体制与地壳生长可分为二个发展阶段：２８００Ｍａ以前，地壳以幔源物质垂向增生为主；进入２８００Ｍａ以后，地壳物质开始进入地幔，并以水平运动为主要构造体制，反映板块构造机制在太古宙晚期地质演化中具有十分重要的作用。
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| 关 键 词： | 构造体制，地壳生长，太古宙，华北地台 |
THE ARCHEAN CRUST GROVOWTH AND TECTONIC REGINME IN NORTH CHINA PLATFORM |
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| Wu Fuyuan,Ge Wenchun,Sun Deyou,LinQiang.THE ARCHEAN CRUST GROVOWTH AND TECTONIC REGINME IN NORTH CHINA PLATFORM[J].Journal of Jilin Unviersity:Earth Science Edition,1995(3). |
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| Authors: | Wu Fuyuan Ge Wenchun Sun Deyou LinQiang |
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| Abstract: | The Sm-Nd isotopic results indicate that the Archean tectonic regimeand crust growth in Northern China Platform can be divided into two stages.Before 2800Ma, the crust was grown through vertical accretion of mantle material,but after that,the crust materials were started to be added to mantle under horizonal tectonic regime. This guggests that the plate tectomis plays an important rode in the later Archeangeological evolution. |
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| Keywords: | tectonic regime crust growth Archean North China Platform |
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