从江汉洞庭盆地新生代以来的构造变形探讨华南地块与周缘板块的相互关系  

STUDY ON INTERRELATION BETWEEN SOUTH CHINA BLOCK AND ITS VICINAL PLATE FROM TECTONIC DEFORMATION OF JIANGHAN-DONGTING BASIN SINCE CENOZOIC

作　　者：姚运生[1] 刘锁旺[1] 邵占英[1] 

机构地区：[1]中国地震局地震研究所,武汉430071

出　　处：《地壳形变与地震》2000年第4期41-49,共9页Crustal Deformation and Earthquake

基　　金：国家自然科学基金!项目 494742 0 7成果之一

摘　　要：利用构造分析结果、震源机制解和现场应力测量资料 ,获得江汉洞庭盆地及邻区新生代 4个时段构造应力场主应力的优势分布。在此基础上 ,综合分析了华南地块在不同变形阶段的应力场体系和运动史 ,并对地块与周缘板块运动的相互作用进行了讨论。By using the results of tectonic analysis, focal mechanism solution and site geo stress survey we get the predominant distribution of principal stress of tectonic stress field in the Jianghan Dongting basin and its vicinal areas in four periods since Cenozoic. On this base, system of stress and history of movement about the South China block in different deformation phase are analyzed. The kinematics mechanisms of the South China block nowadays are controlled by conjoint effect that the Pacific plate subduces and converges towards NWW and India plate pushes northwards leading to the relative uplift of Qinghai—Tibet plateau.

关 键 词：华南地块 构造变形 应力场 板块运动 周缘板块 

分 类 号：P553[天文地球—构造地质学] P546[天文地球—地质学]