文章基本信息

标题：Structural study using 2D modeling of the potential field data and GIS technique in Sohag Governorate and its surroundings, Upper Egypt
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作者：Hosni H. Ghazala ; Ismael M. Ibraheem ; M Lamees 等
期刊名称：NRIAG Journal of Astronomy and Geophysics
印刷版ISSN：2090-9977
电子版ISSN：2090-9985
出版年度：2018
卷号：7
期号：2
页码：334-346
DOI：10.1016/j.nrjag.2018.05.008
语种：English
出版社：Elsevier
摘要：AbstractThe main purpose of the present study is to identify the surface and subsurface structural features and configuration of the basement in the area around Sohag Governorate using Geographic Information System (GIS) and potential field data (gravity and aeromagnetic). The hill shade was found as the most suitable image for surface lineament delineation and to produce a fault potential prediction map using the overlay model technique. The subsurface faults and contacts were detected and traced out from the reduced to the pole (RTP) magnetic, Bouguer gravity anomaly, and tilt derivative maps. The basement structural map of study area has been created based on tilt derivative technique. The structural tectonic maps show that the E-W, NNW-SSE, and NNE-SSW directions are the main trends affecting the study area. The subsurface configuration of the basement was detected using two dimensional (2D) gravity and magnetic forward modeling along preselected six long profiles crossing the study area. The 2D models suggest a depth range to the basement of 400 to 4000 m.
关键词：KeywordsSohagGISGravityMagnetic2D forward modelingTilt derivative