Long and narrow configuration,smooth and straight borders,existence of basemen faults in the basins,strong synkinematic extensional deformations in the northern mounts and change of sediments on the northern wedge of the Luoyinshan basin in east of Guanshuigou indicate downfaulted tectonic attribute of the basins.
The Helan Mountain lies in the northwest margin of Ordos Basin and its uplift periods have close relations with the tectonic feature and evolution of the basin.
To explore tectonic feature of this region 4 study profiles are selected by taking geological background into consideration.
Combining other geophysical data to analyze the density data, the results show that there is difference both in tectonic feature and geophysical feature between Kang-Dian lozenge block and its western and eastern parts.
The Glarus thrust is a prominent tectonic feature in the eastern Helvetic Alps.
The regional fission-track cooling pattern is not related to the limitations and the internal structure of the Moravian Thaya window, which appears to be an elder-probably Late Carboniferous to Permian-tectonic feature.