Subsurface structural mapping using gravity data of Al-Ain region, Abu Dhabi Emirate, United Arab Emirates

Saibi, Hakim; Gabr, Amir; Mohamed, Falah Sheikh

doi:10.1093/gji/ggy489

Cited by 29 publications

(7 citation statements)

References 14 publications

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“…Here, δp/δx and δp/δy represent the horizontal derivatives of the Bouguer anomaly p in the x and y directions, respectively. The computed THD was least affected by noise in the data since it is estimated by the two first-order horizontal derivatives of the gravity field (Cordell and Grauch, 1985;Saibi et al, 2019). The THD maximal crest value is noticed straight over the edges of the source body (i.e.…”

Section: Data Processing and Modellingmentioning

confidence: 99%

Structural interpretation of the south-western flank of the Anambra Basin (Nigeria) using satellite-derived WGM 2012 gravity data

Omietimi

Chouhan

Lenhardt

et al. 2021

Journal of African Earth Sciences

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Section: Data Processing and Modellingmentioning

confidence: 99%

Structural interpretation of the south-western flank of the Anambra Basin (Nigeria) using satellite-derived WGM 2012 gravity data

Omietimi

Chouhan

Lenhardt

et al. 2021

Journal of African Earth Sciences

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“…The gravity method is a geophysical technique that is commonly utilized to map geothermal potential and identify subsurface geological structures in geothermal areas [10]. This potential method has been extensively used for geothermal exploration worldwide [11][12][13] and identification of geological structures [14][15][16]. The primary objective of this research is to provide additional information using gravity data on the subsurface geological structure of the Karangrejo-Tinatar geothermal area in Pacitan Regency.…”

Section: Introductionmentioning

confidence: 99%

Preliminary Study of Subsurface Geological Setting Based on the Gravity Anomalies in Karangrejo-Tinatar Geothermal Area, Pacitan Regency, Indonesia

Puspita,

Aprilla,

Maryanto

et al. 2024

International Journal of Geophysics

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As per the Geothermal Potential Book published by the Ministry of Energy and Mineral Resources (MEMR) in 2017, Pacitan Regency in East Java Province, Indonesia, has the potential for geothermal energy. Two hot spring manifestations, namely, Karangrejo and Tinatar, located in the Arjosari and Punung districts of Pacitan Regency, respectively, have a combined resource of 25 MWe. We acquired ground-gravity data and evaluated gravity anomalies to explore the underlying geological structure in order to understand the geothermal system behind these manifestations. The results of the study show that the gravitational anomaly in the Karangrejo-Tinatar region ranges from 163 to 176 mGal. Additional analysis of the complete Bouguer anomaly (CBA) map, first horizontal derivative (FHD) map, and field observations points to the existence of three NW-SE trending faults. Two of the faults, which are the Karangrejo fault and the Tinatar fault, may be the flow paths for the manifestation of Karangrejo and Tinatar hot springs.

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“…Roest et al (1992) showed that the analytical signal peaks can determine the sourceˈ horizontal boundaries. Many researchers have used the analytic signal to enhance subsurface structural features (Saibi et al, 2016(Saibi et al, , 2019Hang et al, 2017). Hsu et al (1996) improved the resolution of the analytic signal using the second-order gradients of the data.…”

Section: Introductionmentioning

confidence: 99%

Analysis of gravity data for extracting structural features of the northern region of the Central Indian Ridge

Pham

Prasad

2023

Vietnam J. Earth Sci.

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In this study, structural lineaments and fracture zones of the northern region of the Central Indian Ridge have been determined using gravity data from XGM2019e_2159 global gravity model. In this scope, firstly, the edge detection performances of the gradient amplitude of the tilt angle (THDR), theta map (TM), improved local phase (ILP), and improved logistic (IL) methods have been evaluated on synthetic examples. The results show that the IL method effectively avoids false edges and produces high-resolution edges. Then, the methods are applied to the gravity anomaly of the northern region of the Central Indian Ridge. It has been determined that the most prominent structural lineaments observed over the region are in the NE-SW and NW-SE directions. These trends match reasonably with the significant trends of the Tilt depth solutions that show a depth range of 2.2 km to 7 km for different geological structures. In addition, the obtained results are compatible with the known fracture zones of the study area. The findings help us to improve our understanding of the structure and tectonic framework of the study region.

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Subsurface structural mapping using gravity data of Al-Ain region, Abu Dhabi Emirate, United Arab Emirates

Cited by 29 publications

References 14 publications

Structural interpretation of the south-western flank of the Anambra Basin (Nigeria) using satellite-derived WGM 2012 gravity data

Structural interpretation of the south-western flank of the Anambra Basin (Nigeria) using satellite-derived WGM 2012 gravity data

Preliminary Study of Subsurface Geological Setting Based on the Gravity Anomalies in Karangrejo-Tinatar Geothermal Area, Pacitan Regency, Indonesia

Analysis of gravity data for extracting structural features of the northern region of the Central Indian Ridge

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