Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1007/s12517-012-0590-x |
Integrated potential field study on the subsurface structural characterization of the area North Bahariya Oasis, Western Desert, Egypt | |
Elkhodary, S. T.1; Youssef, M. A. S.2 | |
通讯作者 | Elkhodary, S. T. |
来源期刊 | ARABIAN JOURNAL OF GEOSCIENCES
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ISSN | 1866-7511 |
出版年 | 2013 |
卷号 | 6期号:9页码:3185-3200 |
英文摘要 | The present study aims mainly to delineate and outline the regional subsurface structural and tectonic framework of the buried basement rocks of Abu El Gharadig Basin, Northern Western Desert, Egypt. The potential field data (Bouguer gravity and total intensity aeromagnetic maps) carried out in the Abu El Gharadig Basin had been analyzed together with other geophysical and geological studies. The execution of this study is initiated by transformation of the total intensity aeromagnetic data to the reduced to pole (RTP) magnetic map. This is followed by applying several transformation techniques and various filtering processes through qualitative and quantitative analyses on both of the gravity and magnetic data. These techniques include the qualitative interpretation of gravity, total intensity magnetic and RTP magnetic maps. Regional-residual separation is carried out using the power spectrum. Also, the analytic signal and second vertical derivative techniques are applied to delineate the hidden anomalies. Aeromagnetic anomalies in the area reflect significant features on the basement tectonics, on the deep-seated structures and on the shallow-seated ones. Major faults and intrusions in the area are indicated to be mainly along the NE-SW, NW-SE, ENE-WSW and E-W directions. The Bouguer gravity map indicates major basement fracturing, as well as variations in the sedimentary basins and ridges and subsequent tectonic disturbances. The most obvious anomalous trends on the gravity map, based on their frequencies and amplitudes, are along the NE-SW, ENE-WSW, E-W and NW-SE trends. The main of Abu EL Gharadig Basin depositional center does not show sharp variations, because of the homogeneity of the marine rocks and the great basement depths. |
英文关键词 | Abu El Gharadig Basin RTP Bouguer gravity Analytic signal and vertical derivative |
类型 | Article |
语种 | 英语 |
国家 | Egypt |
收录类别 | SCI-E |
WOS记录号 | WOS:000323225400003 |
WOS关键词 | GRAVITY |
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/2XILL650/175861 |
作者单位 | 1.Tanta Univ, Fac Sci, Dept Geol, Tanta, Egypt; 2.Nucl Mat Author, Explorat Div, Cairo, Egypt |
推荐引用方式 GB/T 7714 | Elkhodary, S. T.,Youssef, M. A. S.. Integrated potential field study on the subsurface structural characterization of the area North Bahariya Oasis, Western Desert, Egypt[J],2013,6(9):3185-3200. |
APA | Elkhodary, S. T.,&Youssef, M. A. S..(2013).Integrated potential field study on the subsurface structural characterization of the area North Bahariya Oasis, Western Desert, Egypt.ARABIAN JOURNAL OF GEOSCIENCES,6(9),3185-3200. |
MLA | Elkhodary, S. T.,et al."Integrated potential field study on the subsurface structural characterization of the area North Bahariya Oasis, Western Desert, Egypt".ARABIAN JOURNAL OF GEOSCIENCES 6.9(2013):3185-3200. |
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