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Geological and structural characterizations of a basaltic environment by vertical electrical soundings and multifractal modeling techniques in Deir El-Adas Area, Yarmouk Basin, Syria
Acta Geodaetica et Geophysica ( IF 1.4 ) Pub Date : 2020-11-10 , DOI: 10.1007/s40328-020-00319-z
Jamal Asfahani , Walid Al-Fares

Concentration-number (C-N) fractal modeling technique is adapted and newly proposed to interpret vertical electrical sounding (VES) measurements. This proposed technique is practiced herein on a case study taken from Deir El-Adas, Southern Syria, where four VES geoelectrical profiles (Pro-1, Pro-2, Pro-3, and Pro-4) are interpreted. The general targeting concept of this technique is to use the threshold break points determined by the use of C-N log–log plots to indicate the passage from geoelectrical layer to another one. Different apparent resistivity population ranges are accordingly well determined for the treated geoelectrical data. Those apparent resistivity ranges are consequently used to establish 2D and 3D semi quantitative interpretations of the studied geoelectrical profiles for different fixed spacings AB/2. The established geoelectrical sections clarified the subsurface geological structures and contributed in distinguishing and classifying lateral and vertical different type of basaltic features in the study area. The fractal C-N model can be therefore used to calibrate the ID traditional inversion VES interpretation, particularly in basaltic environments, characterized by sharp and rapid resistivity variations. This calibration is one of the advantages of this fractal technique. This technique is therefore recommended to be applied in other similar basaltic environments.



中文翻译:

通过垂直电测深和多重分形建模技术对叙利亚亚尔穆克盆地Deir El-Adas地区的玄武岩环境进行地质和结构表征

浓度数(CN)分形建模技术已得到改编,最近被提出用于解释垂直电测深(VES)测量。本文在叙利亚南部Deir El-Adas的案例研究中实践了这项提议的技术,在该案例研究中对四个VES地电剖面(Pro-1,Pro-2,Pro-3和Pro-4)进行了解释。该技术的一般目标概念是使用通过使用CN对数-对数图确定的阈值断裂点来指示从地电层到另一层的通道。因此,对于处理过的地电数据,可以很好地确定不同的视电阻率总体范围。这些视电阻率范围因此用于建立针对不同固定间距AB / 2的所研究地电剖面的2D和3D半定量解释。已建立的地电断层明确了地下地质结构,并有助于区分研究区域的横向和纵向不同类型的玄武岩特征。因此,分形CN模型可用于校准ID传统反演VES解释,特别是在玄武岩环境中,其特征是电阻率会快速急剧变化。这种校准是这种分形技术的优势之一。因此,建议将此技术应用于其他类似的玄武岩环境。因此,分形CN模型可用于校准ID传统反演VES解释,特别是在玄武岩环境中,其特征是电阻率会快速急剧变化。这种校准是这种分形技术的优势之一。因此,建议将此技术应用于其他类似的玄武岩环境。因此,分形CN模型可用于校准ID传统反演VES解释,特别是在玄武岩环境中,其特征是电阻率会快速急剧变化。这种校准是这种分形技术的优势之一。因此,建议将此技术应用于其他类似的玄武岩环境。

更新日期:2020-11-12
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