The Mesozoic Tectonic Dynamics and Chronology in the Eastern North China Block

Figure 6

Geological map of the Eastern Yanshan Area. Simplified geological map showing major tectonic units of the Yanshan belt and its surrounding areas, with the locations of Kalaqin and Yiwulüshan metamorphic core complexes indicated by a rectangle. (a) Sketch geological map of the Kalaqin metamorphic core complex (modified after [29]); (b) Sketch geological map of the Yiwulüshan metamorphic core complex (adopted from [32]).