Results in Earth Sciences最新文献_第2页

Provenance analysis of Campanian-Maastrichtian sediments, Anambra Basin, Nigeria: Evidence from garnet and tourmaline mineral species and paleocurrents

Results in Earth Sciences Pub Date : 2025-01-31 DOI: 10.1016/j.rines.2025.100065

Azuka Ocheli , Joseph Ifeanyi Uche

{"title":"Provenance analysis of Campanian-Maastrichtian sediments, Anambra Basin, Nigeria: Evidence from garnet and tourmaline mineral species and paleocurrents","authors":"Azuka Ocheli , Joseph Ifeanyi Uche","doi":"10.1016/j.rines.2025.100065","DOIUrl":"10.1016/j.rines.2025.100065","url":null,"abstract":"<div><div>Electron microprobe analyses of garnet and tourmaline heavy minerals and paleocurrents were carried out in the three rift-related Campanian-Maastrichtian sedimentary formations of the Anambra Basin, Nigeria. This study revealed the existence of an almandine-rich end-member garnet that yielded a PyrAlSpite group (pyrope, almandine, and spessartine) in the study area. Furthermore, the tourmaline grains belong to the alkali and calcic groups which are dominantly composed of dravitic and magnesio-foititic (uvite) tourmaline compositions. High Mg/Fe and Na/Ca ratios indicate medium to high-grade metamorphic source rock derivatives. The integration of garnet and tourmaline data and different binary and ternary discriminant plots show that the precise source rocks of the rift-related sedimentary formations of the Campanian-Maastrichtian, Anambra Basin, Nigeria in the study area were mostly from medium to high-grade basement rocks consisting of andesite, mica-schists, chlorite schists, amphibolites, marble, quartzite, gneisses, metabasic-subophiolitic, granulitic, rhylotic, and aplitic facies and minorly low-grade metasedimentary rocks associated with metacherts, blue-schists, metapelites, phyllites, marbles, and metapsammites. The paleocurrent interpretation reveals that the sandstones were derived from the tectonically restricted Nigerian Precambrian Pan-African Basement Complex and uplifted Benue Trough.</div></div>","PeriodicalId":101084,"journal":{"name":"Results in Earth Sciences","volume":"3 ","pages":"Article 100065"},"PeriodicalIF":0.0,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143444821","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Monitoring of extreme rainfall events and drought severity using drought indices in the southeast semi-arid areas of Karnataka state, India

Results in Earth Sciences Pub Date : 2025-01-31 DOI: 10.1016/j.rines.2025.100066

N. Harishnaika , M. Arpitha , S.A. Ahmed , V. Nagaraja

{"title":"Monitoring of extreme rainfall events and drought severity using drought indices in the southeast semi-arid areas of Karnataka state, India","authors":"N. Harishnaika , M. Arpitha , S.A. Ahmed , V. Nagaraja","doi":"10.1016/j.rines.2025.100066","DOIUrl":"10.1016/j.rines.2025.100066","url":null,"abstract":"<div><div>Over the past few decades, precipitation changed in duration and intensity due to climate change. The Karnataka economy and water resources are severely impacted regularly by droughts and floods. Drought indices are used to evaluate the drought conditions in the state of Karnataka. This study examines the Modified China Z-Index (MCZI), Decile Index (DI), Rainfall Departure (RD), and Percent of Normal Index (PN) to determine which measure is most appropriate for Karnataka the state's regions that experience both dry and wet climate. The total mean rainfall in the study area from 1951 to 2019 was 672.83 mm, with an average deviation of 208.10 mm. The stations in the Kolar district grid stations receive more rainfall than the Chikkaballapura district grid station. The PN along with the DI drought indices correlation in the station Bangarapete shows the highest positive correlation a value roughly R<sup>2</sup> = 0.6876. During contrasted to other indices, the RD (Rainfall Deviation) index is the easiest to compute and has the best statistics for determining dry and wet years. 1959 (-70.8 %) and 1995 (-68.4 %) were two drought years that this index could easily identify. In 1965, Bangarapete indicated an extreme drought with a 65.2 % rainfall deviation rate. Two particularly dry years have been detected in Gudibande 1981 (-72.5 %) and 1983 (-87.0 %). The study's findings will assist the state in better organizing and enhancing its approaches to managing water resources, agriculture, floods, and drought.</div></div>","PeriodicalId":101084,"journal":{"name":"Results in Earth Sciences","volume":"3 ","pages":"Article 100066"},"PeriodicalIF":0.0,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143428165","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Coal as a non-conventional resource of rare earth elements (REEs) and trace elements: Benefits and impacts on environment and human health – A review

Results in Earth Sciences Pub Date : 2025-01-30 DOI: 10.1016/j.rines.2025.100064

Himanshu Jaiswal, Alok K. Singh

{"title":"Coal as a non-conventional resource of rare earth elements (REEs) and trace elements: Benefits and impacts on environment and human health – A review","authors":"Himanshu Jaiswal, Alok K. Singh","doi":"10.1016/j.rines.2025.100064","DOIUrl":"10.1016/j.rines.2025.100064","url":null,"abstract":"<div><div>In the current scenario of increasing demands for electronic gadgets, electric vehicles, permanent magnets, renewable energy, and defense industries, the need for REEs has grown exponentially. China controls the REEs market globally, and this global dependency has created political insecurity and concerns regarding the stability of the REE market. Carbonatite and Per-alkaline rocks are the conventional sources of REEs, but their worldwide abundance is minimal. Coal, for instance, consists of organic and inorganic components, with the inorganic part associated with the most REEs, such as ash, having minimal utilization and posing challenges. Extracting REEs from coal ash allows one to convert waste into a valuable resource, aligning with the concept of \"waste to wealth.\" Traditional REEs extraction methods involve harsh acids, posing significant risks to environmental and living organisms. Therefore, there is an urgent need to explore innovative and sustainable extraction methods for REEs, particularly utilizing non-conventional sources. To achieve this, it is necessary to develop equipment that can be installed in thermal power plants during the final stage of thermal processing, enabling the extraction of REEs from the same plants to make the thermal plants more beneficial and add value to already running thermal plants. Finally, it mitigates groundwater, soil leaching, and atmospheric pollution associated with the presence of these elements in coal ash. By successfully extracting REEs from ash, the profitability of the thermal industry can be enhanced as it transforms thermal plants from operating at marginal profits to generating additional revenue streams.</div></div>","PeriodicalId":101084,"journal":{"name":"Results in Earth Sciences","volume":"3 ","pages":"Article 100064"},"PeriodicalIF":0.0,"publicationDate":"2025-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143226484","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Study of moisture-induced temperature evolution in an engineered barrier system for a HLW repository

Results in Earth Sciences Pub Date : 2025-01-28 DOI: 10.1016/j.rines.2025.100067

Manish Kumar Jha , Amit Jaiswal , A.K. Verma , Trilok Nath Singh

{"title":"Study of moisture-induced temperature evolution in an engineered barrier system for a HLW repository","authors":"Manish Kumar Jha , Amit Jaiswal , A.K. Verma , Trilok Nath Singh","doi":"10.1016/j.rines.2025.100067","DOIUrl":"10.1016/j.rines.2025.100067","url":null,"abstract":"<div><div>The present paper aims to assess the thermal behaviour of bentonite compaction's engineered barrier system (EBS) to designated dry density. An experiment was carried out on a small (centimetre scale) physical model of the EBS based on the design of the nuclear waste repository proposed by different studies. Temperature distribution within the physical model of the engineered barrier system has been recorded. Investigation of temperature evolution has been conducted in compacted bentonite at three different moisture contents: 10 %, 20 %, and 30 %. The temperature profile was recorded in the radial and lateral directions around the cylindrical heater with different moisture contents. A numerical model has also been developed to assess temperature evolution in radial and longitudinal directions at different moisture content in compacted bentonite. In the radial direction, the maximum temperature in the physical model at monitoring points reaches up to 71 °C 78°C and 79°C for moisture content of 10 %, 20 % and 30 %, respectively. Numerical simulation of the 3-dimensional model gives the maximum temperature of 61 °C, 68.6°C and 69.1°C, respectively, at a 10 %, 20 % and 30 % moisture level. Experimental results show that the maximum temperature developed in the longitudinal direction reaches up to 47°C, 53°C, and 56°C at monitoring points within bentonite having a moisture content of 10 %, 20 %, and 30 %, respectively. Temperatures obtained at a similar point through numerical simulation are 43°C, 47°C, and 53°C for moisture content of 10 %, 20 %, and 30 %, respectively. The difference between numerical and physical models varies up to 13 %. The study shows that the variation in moisture content significantly influences the temperature developed in the experimental setup of compacted bentonite.</div></div>","PeriodicalId":101084,"journal":{"name":"Results in Earth Sciences","volume":"3 ","pages":"Article 100067"},"PeriodicalIF":0.0,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143226487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Detection of seismic anisotropy and azimuthally varying resonances from seismic data recorded at the Noto Peninsula using seismic interferometry and empirical mode decomposition

Results in Earth Sciences Pub Date : 2025-01-26 DOI: 10.1016/j.rines.2025.100063

Andrés Pech-Pérez

{"title":"Detection of seismic anisotropy and azimuthally varying resonances from seismic data recorded at the Noto Peninsula using seismic interferometry and empirical mode decomposition","authors":"Andrés Pech-Pérez","doi":"10.1016/j.rines.2025.100063","DOIUrl":"10.1016/j.rines.2025.100063","url":null,"abstract":"<div><div>Reducing the uncertainties in the detection of fluid-filled fractures and faults is essential for natural resource exploration and earthquake forecasting, yet it remains a complex challenge. This study explores the hypothesis that seismic anisotropy and wave resonances can help to reduce uncertainties in fracture and fault detection, particularly in the Noto Peninsula. Seismic data from KiK-net stations ISKH06 and ISKH04 are analyzed using deconvolution and empirical mode decomposition (EMD) to identify wave patterns possibly related to fluid flow and crack propagation. The ISKH06 and ISKH04 stations have boreholes equipped with triaxial accelerometers at depths of 200 m and 100 m, respectively, as well as at the surface. Deconvolution of seismic events recorded at the surface and at depth helps identify anisotropic layers. To interpret interferograms, the study utilizes a one-dimensional layered medium, empirical mode decomposition, and an orthorhombic model. Genuine resonances or tremors are identified mainly along: a) directions subparallel to horizontal stress orientations, and b) directions that traverse intersecting fractures. This study can significantly impact the fields of resource exploration and production, and earthquake preparedness, by providing strategies to mitigate the uncertainties in the detection of subsurface fractures and faults, ultimately leading to better resource management, improved characterization of fluid mobility, and enhanced seismic hazard assessments.</div></div>","PeriodicalId":101084,"journal":{"name":"Results in Earth Sciences","volume":"3 ","pages":"Article 100063"},"PeriodicalIF":0.0,"publicationDate":"2025-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143159802","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Thermo-poroelastic analysis of drilling fluid pressure and temperature on wellbore stresses in the Mansouri oilfield, SW Iran

Results in Earth Sciences Pub Date : 2025-01-22 DOI: 10.1016/j.rines.2025.100061

Alireza Pirhadi , Pooria Kianoush , Shahab Varkouhi , Reza Shirinabadi , Adel Shirazy , Aref Shirazi , Arash Ebrahimabadi

{"title":"Thermo-poroelastic analysis of drilling fluid pressure and temperature on wellbore stresses in the Mansouri oilfield, SW Iran","authors":"Alireza Pirhadi , Pooria Kianoush , Shahab Varkouhi , Reza Shirinabadi , Adel Shirazy , Aref Shirazi , Arash Ebrahimabadi","doi":"10.1016/j.rines.2025.100061","DOIUrl":"10.1016/j.rines.2025.100061","url":null,"abstract":"<div><div>Ensuring wellbore stability is essential for successful oilfield drilling operations, as instability can prolong drilling time and escalate costs, potentially resulting in halted operations and loss of wells. This study presents a comprehensive thermo-poroelastic analysis of wellbore stability, focusing on the impact of thermal effects and pore pressure dynamics in shale formations. Utilizing a coupled thermo-poroelastic model, the research investigates the influence of varying drilling fluid pressure and temperature on wellbore stresses in the Bangestan Reservoir in SW Iran. The analysis employs Hoek-Brown's law, continuity equation, Darcy's law, compatibility equation, and thermal relations, solved using the finite element method within a complex geological model. The findings reveal that horizontal wells are more stable than other configurations, with a pressure limit of 57.23 MPa required to maintain stability. Additionally, a 55–60° azimuth demonstrates the highest mud limit among horizontal wells, while a 20° contrast is observed between formation temperature and drilling fluid in the optimal azimuth. This research introduces innovative methodologies that integrate thermal and pore pressure effects, significantly enhancing the understanding of wellbore stability and contributing to safer and more efficient drilling operations.</div></div>","PeriodicalId":101084,"journal":{"name":"Results in Earth Sciences","volume":"3 ","pages":"Article 100061"},"PeriodicalIF":0.0,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143159803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Uncertainty quantification of rock mass discontinuity information and mechanical parameter derived from photogrammetry and Monte Carlo simulation: A case study

Results in Earth Sciences Pub Date : 2025-01-22 DOI: 10.1016/j.rines.2025.100060

Xiaoyu Yi , Wenkai Feng , Yongjian Zhou , Wenxuan Wu , Jiachen Zhao

{"title":"Uncertainty quantification of rock mass discontinuity information and mechanical parameter derived from photogrammetry and Monte Carlo simulation: A case study","authors":"Xiaoyu Yi , Wenkai Feng , Yongjian Zhou , Wenxuan Wu , Jiachen Zhao","doi":"10.1016/j.rines.2025.100060","DOIUrl":"10.1016/j.rines.2025.100060","url":null,"abstract":"<div><div>The uncertainty of rock mass mechanical parameters primarily stems from the inherent inhomogeneity of rock mass materials and discontinuities. Traditional deterministic methods often overlook this uncertainty, potentially impacting overall design performance. To address this issue, the study introduces an uncertainty analysis framework based on Monte Carlo simulation (MCS). This framework probabilistically quantifies the Geological Strength Index (GSI) system by utilizing the digital characterization of rock mass discontinuity information derived from photogrammetry technology, and subsequently evaluates the uncertainty of rock mass mechanical parameters. The analytical framework was applied to assess the mechanical properties of the surrounding rock in an underground powerhouse located in Henan Province, China. The results demonstrate that the proposed framework is effective in evaluating these properties and provides valuable insights for the probabilistic assessment of excavation response and support measures in underground engineering.</div></div>","PeriodicalId":101084,"journal":{"name":"Results in Earth Sciences","volume":"3 ","pages":"Article 100060"},"PeriodicalIF":0.0,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143159805","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Groundwater potential assessment in Pino region, South Bengkulu, Indonesia using geo-investigation, remote sensing, and GIS approaches

Results in Earth Sciences Pub Date : 2025-01-20 DOI: 10.1016/j.rines.2025.100059

Ashar Muda Lubis , Hera Wahyu Fauzi , Arya J. Akbar

{"title":"Groundwater potential assessment in Pino region, South Bengkulu, Indonesia using geo-investigation, remote sensing, and GIS approaches","authors":"Ashar Muda Lubis , Hera Wahyu Fauzi , Arya J. Akbar","doi":"10.1016/j.rines.2025.100059","DOIUrl":"10.1016/j.rines.2025.100059","url":null,"abstract":"<div><div>Groundwater plays significant role in fulfilling the needs of local community in Indonesia. For example, in Pino region, South Bengkulu, Indonesia the people are experienced challenges in prospecting groundwater resources. Some locations provide enough groundwater, while some are not. Therefore, this study aims to investigate the distribution of groundwater potential in Pino region by using Geo-investigation Electrical Resistivity Tomography (2D ERT), Remote Sensing (RS), and Geographical Information System (GIS) methods. Various parameters related to groundwater potential were weighted with the Analytical Hierarchy Process (AHP) to generate a groundwater potential distribution map. In order to validate our results, we compared the distribution map with subsurface resistivity structures obtained from ERT data inversion. The distribution map of the groundwater potential derived by the RS and GIS methods is classified into five classes such low, fair, moderate, good, and excellent classes, respectively. In general, we found that majority of the research area is classified to fair and moderate classes of the groundwater potential. In the ERT results, low resistivity values of 0.13–7.60 Ω.•m are interpreted as subsurface aquifers at the depths of 3–50 m. The comparison of ERT results and the distribution map with AHP shows a good consistent of the groundwater potential. This study provides valuable insights for local authorities and local communities in the Pino region, South Bengkulu, Indonesia to plan and manage their groundwater resources more effectively.</div></div>","PeriodicalId":101084,"journal":{"name":"Results in Earth Sciences","volume":"3 ","pages":"Article 100059"},"PeriodicalIF":0.0,"publicationDate":"2025-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143159806","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Understanding the point mass balance and surface ice velocity for the debris-covered glacier, Panchi II, western Himalaya (India)

Results in Earth Sciences Pub Date : 2025-01-03 DOI: 10.1016/j.rines.2024.100058

Sarvagya Vatsal , Mohd Farooq Azam , Anshuman Bhardwaj , Arindan Mandal , Raaj Ramsankaran , Mohd Soheb , Saumya G. Kutty , Chetan Singh , Somdutta Mishra , Alagappan Ramanathan , Ishmohan Bahuguna , Purvee Joshi , N. Janardhana Raju

{"title":"Understanding the point mass balance and surface ice velocity for the debris-covered glacier, Panchi II, western Himalaya (India)","authors":"Sarvagya Vatsal , Mohd Farooq Azam , Anshuman Bhardwaj , Arindan Mandal , Raaj Ramsankaran , Mohd Soheb , Saumya G. Kutty , Chetan Singh , Somdutta Mishra , Alagappan Ramanathan , Ishmohan Bahuguna , Purvee Joshi , N. Janardhana Raju","doi":"10.1016/j.rines.2024.100058","DOIUrl":"10.1016/j.rines.2024.100058","url":null,"abstract":"<div><div>Debris-covered glaciers with complex morphological features, including ice cliffs and supraglacial lakes, remain relatively understudied in the Himalaya. Panchi II Glacier, located in the Bhaga Basin of the western Himalaya, exemplifies such complex debris-covered glacier. We conducted assessments of both the point mass balances and the surface ice velocity of the Panchi II Glacier. We measured the debris thickness at various elevation zones and observed non-uniformity in the debris thickness across the glacier. To understand the influence of debris thickness, our methodology encompassed the direct glaciological approach for point mass balance estimation, complemented by DGPS surveying and satellite-derived datasets for surface ice velocity estimation. The point mass balance for 2017–2021 indicates that debris thickness is a key factor in regulating glacier melt. Mean surface ice velocity of the whole glacier for the year 2019/21 was 9.2 ± 1.5 m a<sup>−1</sup>. Our findings indicate that for Panchi II Glacier melting is predominantly governed by debris thickness rather than elevation. Furthermore, multivariate linear analysis reveals that elevation, debris thickness, and slope explain 91 % variability in the surface ice velocity of the glacier.</div></div>","PeriodicalId":101084,"journal":{"name":"Results in Earth Sciences","volume":"3 ","pages":"Article 100058"},"PeriodicalIF":0.0,"publicationDate":"2025-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143159807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Structural investigations of Yuli Geothermal field in Nigeria using gravity and magnetic data-set

Results in Earth Sciences Pub Date : 2024-12-25 DOI: 10.1016/j.rines.2024.100057

Mukaila Abdullahi , Yusufu Abubakar Sanusi , Ibrahim Nihyel Tashiwa

{"title":"Structural investigations of Yuli Geothermal field in Nigeria using gravity and magnetic data-set","authors":"Mukaila Abdullahi , Yusufu Abubakar Sanusi , Ibrahim Nihyel Tashiwa","doi":"10.1016/j.rines.2024.100057","DOIUrl":"10.1016/j.rines.2024.100057","url":null,"abstract":"<div><div>Yuli is part of the Yankari area of the Upper Benue trough. Four important locations of warm spring are found in the area. These are namely, the Gwama Warm Spring (GWS), the Wikki Warm Spring (WWS), the Mawulgo Warm Spring (MWS) and the Tongan-Maliki Warm Spring (TWS). Identification, mapping and interpretation of geological structures/features buried within the crust or exposed on the surface are important steps if not necessary in understanding the general geo-tectono-magmatism of a region. Gravity and magnetic data are employed for the interpretation of identified geologic/tectonic features/structures in the area of study. Different filtering techniques are employed. Total Horizontal Derivative of Tilt Derivative (HD_TDR), Horizontal Gradient (HG) and Generalized Derivative Operation (GDO) filters are found better option for the interpretation of the gravity data whereas for the magnetic data, First Vertical Derivative (FVD) and the Analytic Signal (AS) are found the better filters for the magnetic anomalies of the region. The study found a close connects between the normal faults in the region with the magmatic plugs and as well with the warm springs in the area. Depths to anomalous sources are recorded between 0.5 km and 4.6 km in the study area. The depth results are found from 3D Euler deconvolution inversion method.</div></div>","PeriodicalId":101084,"journal":{"name":"Results in Earth Sciences","volume":"3 ","pages":"Article 100057"},"PeriodicalIF":0.0,"publicationDate":"2024-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143159808","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0