东北东部地球物理及地质块体特征——对大地构造环境演化的追溯  

The geophysics and geological mass characteristics of eastern part of the Northeast-Dating from the geotectonic setting evolution

作　　者：郭孟习[1] 孙炜[2] 聂立军[1] 张廷秀[1] 

机构地区：[1]吉林省区域地质矿产调查所,吉林长春130022 [2]吉林省地矿信息中心,吉林长春130061

出　　处：《吉林地质》2002年第1期38-49,共12页Jilin Geology

摘　　要：通过区域地球物理场多重信息的综合研究 ,可将东北东部地球物理及地质块体划分为A、B、C三类。它们在空间上有序的分布 ,特征上各自相异。揭示出所共处的区域岩石圈的大地构造环境演化历史的全过程。B类地块代表了太古宙陆块的形成 ;C类地块反映了古亚洲构造域复杂的造山过程 ;Through the comprehensive study to the multiple information of the regional geologic physical field The geophysics and geological masses of eastern part of the Northeast can be divided into three classifications (A,B and C) In space,showing a regular distribution;in characteristics,showing various differences That revealed the whole evolutionary process of the geotectonic environment of the regional lithosphere The'B'mass indicated the forming of the Archeozoic landmass The'C'mass only indicated a complex orogenic process of the Paleo-Asiatictectonic domain The'A'mass revealed a post-Mesozoic dynamic process of the crust-mantle action-the decoupling process tectonism of the forming of basin-range structure,and the intense transformation of previous tectonism

关 键 词：地球物理 地质块体 大地构造演化 中生代 壳幔作用 岩石圈 

分 类 号：P54[天文地球—构造地质学]