Ali Shebl

Verified

Ali verified their affiliation via an institutional email.

Learn more

Verified

Ali verified their affiliation via an institutional email.

Learn more

• Doctor of Philosophy
• Lecturer at Tanta University

Hybrid data fusion mostly gives a better diagnosis to lithological units compared to single-source mapping techniques. Rock unit discrimination depends mainly on variations in the concentrations of chemical elements. Remote sensing datasets reflect these variations as different spectral reflectances, while gamma-ray spectrometric measurements enabl...

In this research, airborne geophysical and remote sensing datasets were integrated for gold potentiality mapping (GPM) over the Atalla area in Central Eastern Desert, Egypt. Utilizing aeromagnetic data, detailed structural complexity maps were constructed using the center for exploration targeting (CET) procedure. Then, spectrometric gamma-ray data...

The Wadi Um Laseifa area, located in the Central Eastern Desert of Egypt, encompasses a range of Neoproterozoic rock units, including ophiolitic mélange, island arc assemblage, and granitic intrusions as well as Miocene clastic deposits. The current research attempts to analyze the structural and lithological characteristics of this area by integra...

Based on our research results and re-appraisal of published data new ideas concerning the development and evolution of North Eastern Desert and Sinai have been invoked and ascertained. Those data and ideas are related to the preliminary events and the associated rock types that formed the pan-African orogeny and the Arabian-Nubian shield, El-Lithy...

Accurate and precise lithological mapping is the milestone for identifying all subsequent geological processes accurately. However, the study area has faced numerous challenges in lithological mapping due to its rugged ter-rain, leading to several differing maps. This disparity raises a focal ques-tion: why do multiple lithological maps exist if th...

Recently, the use and management of water resources have become a critical issue, especially in arid and semi-arid surroundings. In such areas, the importance of mapping groundwater potential zones is unmeasurable since water is a critical human resource. Focused on the semi-arid region of Kuwait, our research integrates Google Earth Engine and mul...

The increasing global demand for barite, driven by its geological importance and various industrial applications, advises the scientific community to improve attempts to identify and explore its deposits in different geological settings. This boost in interest aims to ensure sustainable supply by locating new sources and better understanding the co...

In the field of mineral exploration, it is strikingly evident that radioactive-bearing mineralization predominantly resides within granitic intrusions and along structural discontinuities. Consequently, the comprehensive mapping of lithological features emerges as a crucial means of accurately guiding the identification of these mineralizations. Th...

Shear zones, characterized by intense crustal deformation, serve as vital conduits for mineral-rich fluids, playing a pivotal role in mineral exploration endeavors. This study introduces a comprehensive predictive model integrating remote sensing, geophysical techniques, and field-based observations to delineate hydrothermal alterations associated...

An automated lineament extraction model was successfully applied in the mountainous region of Ait Semgane, Morocco, enabling the identification of geological and tectonic linear features. Our research implemented several approaches including Topographic Position Index (TPI), shading, and Digital Elevation Models (DEMs), as input for the lineament e...

The selection of an optimal dataset is crucial for successful remote sensing analysis. The PRISMA hyperspectral sensor (with 240 spectral bands) and Landsat OLI-2 (boasting high dynamic resolution) offer robust data for various remote sensing applications, anticipating their increased demand in the coming years. However, despite their potential, we...

The current study integrates remote sensing, machine learning, and physicochemical parameters to detect hydrodynamic conditions and groundwater quality deterioration in non-rechargeable aquifer systems. Fifty-two water samples were collected from all water resources in Siwa Oasis and analyzed for physical (pH, T°C, EC, and TDS) chemical (SO4²⁻, HCO...

Detailed geological mapping is the decisive key for mineral deposit prospecting, deciphering tectonic models, and outlining the main framework for most development programs and constructions. Without a doubt, various remote sensing datasets have introduced reliable lithological and structural mapping solutions. The main defect with remote sensing d...

The effective detection and monitoring of mining tailings’ leachates (MTLs) plays a pivotal role in environmental protection and remediation efforts. Electrical resistivity tomography (ERT) is a non-invasive technique widely employed for mapping subsurface contaminant plumes. However, the efficacy of ERT depends on selecting the optimal electrode a...

The east of Gabal Atud area is covered by a variety of Precambrian basement rocks including Atud Formation, Atud tectonized mélange, metavolcanics, and serpentinites-talc-carbonates. These rocks were later intruded by the island arc metagabbro- diorite complex which in turn is invaded by some dykes. Operational Land Imager (OLI) and Sentinel-2A wer...

Zircons from the studied Youner granites are characterized by the dominance of the prism {100} and the pyramid {101}. Most of those zircons are not so clear but could be turbid with reddish tint. The petrographical investigations indicate that the zircons are selectively altered according to the possibility if the grain can be reached by the hydrot...

Environmental degradation is reducing crop productivity in many regions of Egypt. Moreover, unsustainable surface water drainage contributes to salinized soil conditions, which negatively impact crops. Egypt is seeking solutions to mitigate the problem of surface water drawdown and its consequences by exploring renewable and sustainable sources of...

Environmental degradation is reducing crop productivity in many regions of Egypt. Moreover, unsustainable surface water drainage contributes to salinized soil conditions, which negatively impact crops. Egypt is seeking solutions to mitigate the problem of surface water drawdown and its consequences by exploring renewable and sustainable sources of...

Integrating diverse techniques and datasets, significantly enhances the accurate identification of various mineral deposits. This work aims to determine different types of mineral deposits in the Hamash district (Southern Eastern Desert, Egypt) by combining structural features (derived from ALOS PALSAR DEM), alteration zones (detected using ASTER a...

In essence, targeting mineralization necessitates exact structural delineation and thorough lithological mapping. The latter is still a challenge for geologists and its lack hinders meticulous exploration for various mineralizations. Here we show for the first time over a case study from Arabian Nubian Shield (ANS), the application of hyperspectral...

The east of Gabal Atud area is covered by a variety of Precambrian basement rocks including Atud Formation, Atud tectonized mélange, metavolcanics, and serpentinites-talc-carbonates. These rocks were later intruded by the island arc metagabbro- diorite complex which in turn is invaded by some dykes. Operational Land Imager (OLI) and Sentinel-2A wer...

Fused remote sensing datasets have greatly contributed to enhancing lithological targets and providing significant information for mineral exploration. For instance, multispectral datasets can discriminate rock units through their unique spectral signatures. Digital Elevation Models (DEMs) could be an effective tool boosting lithological discrimina...

Since their recent first record within the Egyptian Nubian Shield, auriferous and uraniferous marbles (Au = 0.98–2.76 g/t; U = 133–640 g/t) have rarely been addressed, despite not only their probable economic importance but also the fact that it is a new genetic style of gold and uranium mineralization in the Nubian Shield rocks. This is mainly att...

Undoubtedly, involving more tools, datasets, and techniques for detecting the mineralized areas sharply narrow the zones to be investigated and delivered, in most cases highly potential zones. Consequently, this study is an attempt to apply remote sensing data including Sentinel 2 and ASTER, field observations, petrography of the hydrothermal alter...

Integrating various tools in targeting mineral deposits increases the chance of adequate detection and characterization of mineralization zones. Selecting a convenient dataset is a key for a precise geological and hydrothermal alteration mapping. Remote sensing and airborne geophysical data have proven their efficiency as tools for reliable mineral...

Albitized granite (ABG) is considered as one of the most significant hosts of rare metals (RMs). Consequently, adequate recognition of ABG through proper lithological discrimination highly increases the targeting of rare metal resources. In order to delineate outcrops of ABG from satellite data, our study integrates eight image enhancement techniqu...

The Eastern Desert of Egypt suffered a protracted period of deformation triggered by cratonization of the new juvenile crust known as the Arabian Nubian Shield (ANS), which has been proposed for potential gold discoveries associated with the corresponding tectonic event. The Fatira area, on the border of Egypt's Northern and Central Eastern Deserts...

Through various scales of observation, ranging from remote sensing data, field investigations, hand specimens , microscopic petrographic examinations, XRD, to SEM, indicators of various mineralization types are highlighted in Ras El-kharit-wadi Khashir (Eastern Desert, Egypt). Systematic remote sensing exploration of the mineralized zones is perfor...

Keywords ABSTRACT DEMs ALOS PALSAR NASADEM geomorphological ASTER GDEM As a quantitative and numerical representation of earth surface topography, Digital Elevation Models (DEMs) are widely used in several applications including geological, hydrological, and geographical Aspects. With the availability of several types of DEMs, various intrinsic err...

Groundwater demand has dramatically increased due to the swift demographic explosion, especially in arid areas, where groundwater is considered the main source for all purposes. Thus, this research integrates climatological, lithological, structural, topographical, hydro-morphological, and geoelectrical data to explore groundwater potential zones i...

Different types of remote sensing data are commonly used as inputs for lithological classification schemes, yet determining the best data source for each specific application is still unresolved, but critical for the best interpretations. In addition, various classifiers (i.e., artificial neural network (ANN), maximum likelihood classification (MLC...

Remote sensing datasets have introduced remarkable advancements in mapping rock units, structural elements, and hydrothermal alteration zones. This study applied Landsat Operational Land Imager (OLI) multispectral dataset in discriminating the intricate basement of Um Salim area, Central Eastern Desert (CED), Egypt. Moreover, a panchromatic 15m pix...

As a quantitative and numerical representation of earth surface topography, Digital Elevation Models (DEMs) are widely used in several applications including geological, hydrological, and geographical Aspects. With the availability of several types of DEMs, various intrinsic errors may be incorporated due to sensor acquisition inconveniences, or pr...

Machine Learning Algorithms (MLAs) have recently introduced considerable lithologic mapping. Thus, this study scrutinizes the efficacy of Artificial Neural Network (ANN), Maximum Likelihood Classifier (MLC) and Support Vector Machine (SVM) over hybrid datasets including optical (Sentinel 2, ASTER, Landsat OLI and Earth-observing 1 Advanced Land Ima...

Lineaments mapping is an authentic issue for deciphering the tectonic setting, geological history, mineral prospecting, and other several applications. Consequently, the study objective is to examine various remote sensing datasets at wide various spatial resolutions (10, 12.5, 15, 20, 30 m), to recommend the best in lineaments elicitation, for usa...

Transpressional deformation has played an important role in the late Neoproterozoic evolution of the Arabian‐Nubian Shield including the Central Eastern Desert of Egypt. Ghadir Shear Belt is a 35 km‐long, NW‐oriented brittle‐ductile shear zone that underwent overall sinistral transpression during the Late Neoproterozoic. Within the Ghadir shear bel...

Lithology and structural elements play a vital role in the development of drainage system in south Marsa Allam area. The drainage basin geometry develops in response to the nature and distribution of uplift and subsidence, the spatial arrangement of faults or joints, the relative resistance of different rock types and to climatically influenced hyd...

: The drainage network of Wadi Ghadir watershed, southeastern Desert, Egypt was extracted from topographic maps (1:50. 000), and from the 30 m digital elevation data (DEM) of the Shuttle Radar Topography Mapping Mission (SRTM). Four topographic sheets were digitized and used for extraction. Archydro function in ArcGIS 10x was utilized for network e...