Writers : Gholami,Ebrahim;Nogolsadat,Miraliakbar;Khatib,Mohammad mehdi;Yasaghi,Ali
Refference : 11th Symposium Of Geological Society Of Iran - Mashhad, Ferdowsi University
Publishing Year : 1386

Abstract :

Many structural trends (N-S, NW-SE, NE-SW, E-W) are located in eastern Iran. Faults interaction between N-S and NW–SE striking fault zones, created contractional zones. We believe dominated of N-S striking right lateral fault zones had principal role in deformation of this area. Many of mentioned contractional zones formed in non-parallel fault zones and the other one (restraining zones) are located in over lap of N-S striking right lateral fault zones.
Range of compression component variation is: a) pureng and cheshme zangi (027/09)-(041/10)
b) shoorak and chakhoo (357/04) – (056/08) c) marghzar ( 048/10). Shortening variations of folds in non-parallel fault zones from north to south:
a) 14-36% b) 25 – 46 % c) more than 48 %
Similarity in trend and mechanism of faults that formed restraining zones caused increasing in the symmetry of romboheral blocks in these zones . Because of this, average of long diameter/short diameter in torshab is 3.1 and in kasrab is 3.81.

Subject List : , Deformation