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The southeastern Alxa Block(i.e.,the Hexi Corridor)is a tectonic junction between the North China Block(NCB)to the east,the Alxa Block to the north,and the western Qinling–North Qilian Orogenic Belt to the southwest(Fig.1).The southeastern Alxa Block had undergone
The southeastern Alxa Block (ie, the Hexi Corridor) is a tectonic junction between the North China Block (NCB) to the east, the Alxa Block to the north, and the western Qinling-North Qilian Orogenic Belt to the southwest The southeastern Alxa Block had undergone