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Petrology, Geochemistry and Tectonic Implication of QinglongCun Group in Yanbian Area

Author: ZhangChunYan
Tutor: ZhangXingZhou
School: Jilin University
Course: Structural Geology
Keywords: Qinglongcun Group Petrology Geochemistry Tectonic evolution Island arc
CLC: P548.2
Type: Master's thesis
Year: 2005
Downloads: 127
Quote: 1
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Abstract


In the system based on the summary of the results of previous work , petrological and geochemical study on Qinglongcun Group rocks , its protolith its outputs tectonic background restored. The study area is in the eastern end of the northern China orogen is an important part of the Central Asian Orogenic Belt . Hulan group distribution Qinglongcun Group and its surrounding area , the nature of the rock series has a very important significance for the understanding of the tectonic evolution of the area , to reveal the tectonic evolution of the northern margin of the North China plate characteristics . Qinglongcun Group is set to experience a multi-stage complex combination of rock deformation and metamorphism . The main rock types include : the schists , amphibolite rocks , the thickness of the grain gneiss class and marble mezzanine . Not so obvious , its boundaries , has become an \By the school and the surrounding rock group rock geochemistry contrast to know : Qinglongcun Group is a broad continental margin collage of an island arc terrane suture zone .

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CLC: > Astronomy,Earth Sciences > Geology > Structural Geology > Regional structural geology
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