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江苏东海地区韧性剪切作用
Ductile Shearing in Donghai,Jiangsu
【摘要】 东海片麻岩杂岩区变形变质作用具长期复杂的演化史,发育多条多期次不同性质活动的韧性剪切带。在剖析了榴辉岩构造变形序列、片麻岩构造变形序列的基础上,结合图面分析,建立了东海地区构造变形序列,划分了九个期次的变形。
【Abstract】 The metamorphism and deformation of gneissic complex in Donhgai has a very long and complicated evolution history where developes many ductile shear zones with multistage and different properties.Based on the analysis of stuctural deformation sequence of eclogite and gneiss with the help of mapping analysis,the paper has classified 9stage deformations.These are shearextending,horizontalzooning shearing,horizontal flowingzooning shearing and decollement shearing in the deep layer,overlapping shearing,displacement shearing,overlappingshearing folding in the middle ,and overthust shearing and broad folding at shallow layer
- 【文献出处】 江苏地质 ,Jiangsu Geology , 编辑部邮箱 ,1997年04期
- 【分类号】P551
- 【被引频次】2
- 【下载频次】51