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Upliftment Estimation of the Zagros Transverse Fault in Iran Using Geoinformatics Technology
Geology Department, College of science, Golestan University, Gorgan, Golestan Province, Iran
Institute of Advanced Technology, University Putra Malaysia, Malaysia
Institute for Cartography, Faculty of Forestry, Hydro and Geosciences, Dresden University of Technology, 01062, Dresden, Germany
* Author to whom correspondence should be addressed.
Received: 22 October 2009; in revised form: 25 November 2009 / Accepted: 30 November 2009 / Published: 8 December 2009
Abstract: The Izeh fault zone is a transverse fault zone with dextral strike slip (and some reverse component) in the Zagros Mountains (Iran). It causes some structural deformations. This fault zone is acting as eastern boundary of Dezful Embayment and forms subsidence of the embayment. The fault has been recognized using remote sensing techniques in conjunction with surface and subsurface analyses. The stratigraphic columns have been prepared in 3D form using Geographical Information System (GIS) tools on the basis of structural styles and thickness of lithologic units. Height differences for erosion levels have been calculated in stratigraphic columns with respect to the subsidence in the Dezful Embayment, which is related to Izeh zone. These height differences have been estimated to be 5,430 m in the central part (and 5,844 m in the northern part) from the Eocene to recent times. This study shows that comparison of the same erosion levels in Asmari-Pabdeh formation boundaries for interior and eastern block of the Izeh fault zone with the absolute uplifting due to the fault activity which is about 533 m per million years in the Izeh zone. The present study reveals that subtracting the absolute uplifting from total subsidence; the real subsidence of Dezful embayment from Eocene to Recent is 0.13 mm/year. The mean rate of uplifting along the Izeh fault zone is 0.015 mm/year.
Keywords: upliftment estimation; Zagros Mountains; remote sensing; GIS
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Safari, H.O.; Pirasteh, S.; Pradhan, B. Upliftment Estimation of the Zagros Transverse Fault in Iran Using Geoinformatics Technology. Remote Sens. 2009, 1, 1240-1256.
Safari HO, Pirasteh S, Pradhan B. Upliftment Estimation of the Zagros Transverse Fault in Iran Using Geoinformatics Technology. Remote Sensing. 2009; 1(4):1240-1256.
Safari, Hojjat Ollah; Pirasteh, Saeid; Pradhan, Biswajeet. 2009. "Upliftment Estimation of the Zagros Transverse Fault in Iran Using Geoinformatics Technology." Remote Sens. 1, no. 4: 1240-1256.