Arid
DOI10.1007/s12583-011-0159-8
Structural and tectonic evolution of El-Faiyum depression, North Western Desert, Egypt based on analysis of Landsat ETM plus , and SRTM Data
Kusky, Timothy M.1; Ramadan, Talaat M.2; Hassaan, Mahmoud M.2; Gabr, Safwat2
通讯作者Kusky, Timothy M.
来源期刊JOURNAL OF EARTH SCIENCE
ISSN1674-487X
出版年2011
卷号22期号:1页码:75-100
英文摘要

False color Landsat ETM+ (bands 7, 4, 2 in RGB) and SRTM images of the El-Faiyum depression, Egypt, highlights major NE-SW faults and other lineaments trending NW-SE and N-S. Airborne magnetic data reveal some E-W subsurface faults which are not recognized on Landsat ETM+ and SRTM images. Ratio images (5/7, 3/1, 4/3) and (5/7, 5/1, 4) were used for lithological discrimination of different rock types. The El-Faiyum area is occupied by sedimentary rocks of Middle Eocene, Upper Eocene, Oligocene, Lower Miocene, Pliocene, Pleistocene and Holocene. Understanding the structural regime of El-Faiyum depression in the Western Desert of Egypt is significant in relation to the neotectonics of the Nile Delta and to the development of new communities west of the delta. The area is covered by Late Cretaceous, Middle to Late Eocene deposits, Oligocene deposits (comprising fluviatile sediments and basalt sheets) and Pliocene and Quaternary alluvium and sand deposits. New geological and structural maps were prepared at a scale of 1: 100 000 using Landsat ETM+ and SRTM images coupled with extensive field work. The major structural trends are E-W, ENE, NS and NW-the same trends observed elsewhere in North Africa from NW Sudan to NE Egypt including north and central Sinai. El-Faiyum depression is a structurally-controlled tectonic basin, marked by northeast-striking faults along its northern margin. These faults are parallel to similar faults of the Syrian arc fold belt, which includes a group of related faults, folds, push-up structures, and basins. Qarun Lake is located in the northern part of El-Faiyum depression, at a right-step between two strands of the NE striking fault system. We have suggested elsewhere that El-Faiyum depression is a pull-apart basin related to extension between these mismatched strands of strike-slip faults. The E-W structures are probably related to the relative motion between south Europe and north Egypt and closure of the Neotethys. The continuation of these faults in the present area is only detected from magnetic and seismic studies. The question that needs to be raised is why these old structural features have been reactivated in recent times. Thus, the presence of these fault zones must be heeded in all development plans for El-Faiyum region.


英文关键词Egypt El-Faiyum Syrian arc fold belt pull-apart basin Western Desert of Egypt
类型Article
语种英语
国家Peoples R China ; Egypt
收录类别SCI-E
WOS记录号WOS:000286675000008
WOS关键词FOLD-THRUST BELT ; DEAD-SEA RIFT ; MIDDLE-EAST ; RED-SEA ; BASINS ; PLATE ; FAULT ; FIELD ; DEFORMATION ; PLATFORM
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/169055
作者单位1.China Univ Geosci, Gorges Res Ctr Geohazard 3, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R China;
2.Natl Author Remote Sensing & Space Sci NARSS, Geol Applicat & Mineral Resources Div, Cairo, Egypt
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Kusky, Timothy M.,Ramadan, Talaat M.,Hassaan, Mahmoud M.,et al. Structural and tectonic evolution of El-Faiyum depression, North Western Desert, Egypt based on analysis of Landsat ETM plus , and SRTM Data[J],2011,22(1):75-100.
APA Kusky, Timothy M.,Ramadan, Talaat M.,Hassaan, Mahmoud M.,&Gabr, Safwat.(2011).Structural and tectonic evolution of El-Faiyum depression, North Western Desert, Egypt based on analysis of Landsat ETM plus , and SRTM Data.JOURNAL OF EARTH SCIENCE,22(1),75-100.
MLA Kusky, Timothy M.,et al."Structural and tectonic evolution of El-Faiyum depression, North Western Desert, Egypt based on analysis of Landsat ETM plus , and SRTM Data".JOURNAL OF EARTH SCIENCE 22.1(2011):75-100.
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