Structural overview of the Halab-Gheydar area, southwest of Zanjan, NW Iran

Esmaeili, Rasoul; Faghih, Ali; Rezaian, Mahnaz; Ebrahimi, Mohammad

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	Structural overview of the Halab-Gheydar area, southwest of Zanjan, NW Iran
Article 6, Volume 7, Issue 1, Winter and Spring 2015, Page 50-58 PDF (1.49 MB)
Document Type: Original Article
Authors
Rasoul Esmaeili^* ¹; Ali Faghih¹; Mahnaz Rezaian²; Mohammad Ebrahimi³
¹Department of Earth Sciences, College of Sciences, Shiraz University, Shiraz, Iran.
²Department of Earth Sciences, Faculty of Sciences, Institute for Advanced Studies in Basic Sciences, Zanjan, Iran.
³Department of Geology, Faculty of Sciences, University of Zanjan, Zanjan, Iran.
Abstract
Understanding the folding style of a fold-thrust belt is crucial to understand the nature and structural history of structures that may trap natural resources within the belt. In this research, the geometry and mechanism of a number of fault-related folds has been investigated based on field data and satellite image interpretations. The main study areas are: the Sohrevard and Ushtaniyan anticlines, Bahman and Halab synclines, and Gharahdagh, Halab, and Gheydar thrust faults, which have a NW-SE direction. These thrust faults control the morphology and structural framework of the Halab-Gheydar area. Geomorphic features of the folds suggest that they are fault-related folds. The structural style of the faults and associated folds indicate that these faults were reactivated during the Alborz deformation event.
Keywords
Structural analysis; geomorphic; fault-related fold; zanjan; Iran


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