Kopet Dagh deformation pattern and structural zoning

Category Tectonic & Seismotectonic
Group GSI.IR
Location 21th symposium on geosciences
Holding Date 24 May 2008

   Abstract:
      Kopet Dagh folded and faulted belt in northeast of Iran consists of sedimentary rocks from Triassic to Neogene that are formed on a grabben structure of Iran-Turan continental crust. Study of Land Sat TM satellite images and field works led us to divide the region to three structural sub-zones. Structural data on the mechanism and deformational pattern of the structures are collected and paleostress directions are determined. Results of the studies have revealed that at least four main tectinoc phases of post Triassic extension, basin inversion movements in Maastrichtian, fold and thrust initiation at the end of Miocene, and strike-slip movements since the end of Pliocene have had the most important role in sedimentary and structural evolution of this tectonic province.
  
   Keywords: Folding, strike-slip fault, paleostress, Iran tectonics, Kopet Dagh.

   General:
     Kopet Degh folded and faulted belt in northeast of Iran consists of sedimentary rocks from Triassic to Neogene that are formed on a grabben structure of Iran-Turan continental crust. Study of Land Sat TM satellite images and field works led us to divide the region to three structural sub-zones. Structural data on the mechanism and deformational pattern of the structures are collected and paleostress directions are determined. Results of the studies have revealed that at least four main tectinoc phases of post Triassic extension, basin inversion movements in Maastrichtian, fold and thrust initiation at the end of Pliocene have had the most important role in sedimentary and structural of this tectonic province.
   Keywords: Folding, strike-slip fault, paleostress, Iran tectonics, Kopet Dagh.

tags: KHORASAN SHOMALI