By analyzing the gravity,magnetic,seismic and drilling data,the authors in this paper calculate and construct the density structure of the crust and upper mantle along the Haoding-Chengde and Zhangjia
The precambrian metamorphic complex in the eastern Hebei Province may be considered as an exposed part of the transect of the continental crust.Based on the est
In this paper,the equivalent force inside the source which produces a large area deformation field is calculated by using the records of residual deformation,S wave radiation of shear dislocation sour