<正>Objective In recent years,the birth time and evolution of the Three Gorges,Yangtze River has become a focused topic.Different from previous studies,this stu
<正>1 Introduction Tieshan Syenite crosses between Dongfeng and Zhangyuan’an in Zhenghe of Fujian province,occurs in the direction of 42°,Total length 850
<正>Over 20 sets of dolerite dykes crosscutting Paleoproterozoic basement in West Africa were distinguished via the interpretation of regional and high resoluti