Geophysical and Remote Sensing Data for Delineating Structural Elements at El Hammam Area, Northern Part of Western Desert, Egypt

IF 1 4区地球科学 Q3 GEOCHEMISTRY & GEOPHYSICS Geotectonics Pub Date : 2024-06-21 DOI:10.1134/s0016852124700146

S. A. S. Araffa, M. I. Mohamaden, M. F. Abu-Hashesh, A. N. H. Galal, M. S. Takey, N. M. Hassan

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Abstract

El-Hammam area is situated along the northwest coastal region of Egypt, which is a tight strip of ground between the Mediterranean and the vast deserts outside of the delta agricultural region on the west. A digital elevation model (DEM) and Landsat-8 image with a 30 m resolution were used. Also, the data were utilized in the geomorphological analysis and interpretations of the geology of the El Hammam area. The processed Landsat ETM + satellite imageries were used to interpret and construct the geological map. The digital data of the DEM has been utilized to extract the structural lineaments map. The main geomorphic properties of the El Hammam area were delineated by the geomorphological analysis. Gravity data are utilized to determine the subsurface features (faults and basins) and the depth of the basement, where are used processing and filtering techniques to outline the dominant structure. The interpretation of the gravity data reveals that directions of the major structures are aligned in NW‒SE and NE‒SW whereas the small structures are alignment in E‒W, WNW‒ESE, ENE‒WSW, NNE‒SSW, N‒S, and NNW–SSE directions. The findings of depth in order to estimate the basement rocks by 2D and 3D modeling ranges from 1254 m at the SW and western parts to 5650 m at the SE and eastern parts of the study area.

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利用地球物理和遥感数据划分埃及西部沙漠北部 El Hammam 地区的结构要素

摘要哈马姆地区位于埃及西北部沿海地区，是地中海与西部三角洲农业区以外的广袤沙漠之间的狭长地带。使用了数字高程模型（DEM）和分辨率为 30 米的 Landsat-8 图像。此外，还利用这些数据对哈马姆地区的地质进行了地貌分析和解释。经过处理的 Landsat ETM + 卫星图像用于解释和绘制地质图。利用 DEM 数字数据提取了结构线状图。通过地貌分析，划定了哈马姆地区的主要地貌特征。重力数据用于确定地下特征（断层和盆地）和基底深度，并利用处理和过滤技术勾勒出主要结构。对重力数据的解释显示，主要结构的方向呈西北-东南和东北-西南排列，而小型结构的方向呈东西、西北-东南、东北-西南、东北-西南、东北-南和西北-东南排列。通过二维和三维建模估算基底岩石深度的结果显示，研究区域西南部和西部的基底岩石深度为 1254 米，东南部和东部的基底岩石深度为 5650 米。

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来源期刊

Geotectonics 地学-地球化学与地球物理

CiteScore

1.90

自引率

9.10%

发文量

审稿时长

3 months

期刊介绍： Geotectonics publishes articles on general and regional tectonics, structural geology, geodynamics, and experimental tectonics and considers the relation of tectonics to the deep structure of the earth, magmatism, metamorphism, and mineral resources.