Geometrical and Kinematic Analysis of Western Half of Meyamey Fault

Meyamey fault, one of the major faults in the northeast of Iran, has played an important role in the regional depositional basin development and created many geomorphologic features. This fault has proved to be an important subject for study in terms of structural geology, fault mechanisms, fault interactions and the relation between faults and folds. Field measurements in the eastern part of the Meyamey fault zone depict that faults are mainly striking towards NE with dips of up to 50º and gentle lineation. Folds also follow the same trend. Calculated maximum stress axis in Armain fault is in NE direction, whereas in Meyamey and Ghods faults are in SE direction and are horizontal. Moreover, in the eastern Meyamey fault area, this fault shear zone Chah Seidabad fault, in which X and R, R fractures are evident.