Arabian Journal of Geosciences最新文献_第5页

Stability of surrounding rocks during reconstruction of abandoned mine roadways 废弃矿山巷道改造过程中围岩稳定性研究

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Arabian Journal of Geosciences Pub Date : 2025-03-17 DOI: 10.1007/s12517-025-12237-x

Xu Kun, Deng Yunchen, Huang Jinxin, Qu Dengxing, Wu Jun, Zhang Xuan

{"title":"Stability of surrounding rocks during reconstruction of abandoned mine roadways","authors":"Xu Kun, Deng Yunchen, Huang Jinxin, Qu Dengxing, Wu Jun, Zhang Xuan","doi":"10.1007/s12517-025-12237-x","DOIUrl":"10.1007/s12517-025-12237-x","url":null,"abstract":"<div><p>Abandoned roadways have long-term creep behaviors in the high geostress environment. Under the dual effects of creep and reconstruction-induced dynamic disturbance, surrounding rocks exhibit poor stability. Under the engineering background of a roadway in a coal mine in Liaoning Province, China, the surrounding rock stability in the initial roadway excavation process and the long-term creep process of the abandoned roadway was evaluated based on numerical simulation. Results show that the displacement and deformation of surrounding rocks after the initial excavation of the abandoned roadway are dominated by vault subsidence. The mechanical properties of roadway surrounding rocks are gradually deteriorated in the abandonment time of four years. The deformation of surrounding rocks linearly enlarges with prolonging creep time, and the surrounding rocks are in the steady-state creep process on the whole. The better the lithology of surrounding rocks is, the smaller the damage zone with failure tendency in surrounding rocks after reconstruction of the abandoned roadway. With the increments of burial depth and creep time of the abandoned roadway, the area with failure tendency in surrounding rocks enlarges after reconstruction. Enlarging the expansion size appropriately in the range of the initial damage zone formed due to the long-term creep effect can effectively improve the quality and stability of surrounding rocks. The surrounding rock stability of abandoned roadways with circular, straight-wall-top-arch, and rectangular cross-sections decreases successively after reconstruction. The research results provide theoretical reference for the reconstruction of abandoned roadways and the stability analysis and evaluation of surrounding rocks in mines.</p></div>","PeriodicalId":476,"journal":{"name":"Arabian Journal of Geosciences","volume":"18 4","pages":""},"PeriodicalIF":1.827,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143632410","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Petrovolcanic stratigraphy of Jita River section in the Northeastern sector of the Ethiopian Flood basalt province 埃塞俄比亚洪水玄武岩省东北部吉塔河段岩石火山地层学研究

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Arabian Journal of Geosciences Pub Date : 2025-03-17 DOI: 10.1007/s12517-025-12229-x

Endayen Belay, Dereje Ayalew, Bekele Abebe

{"title":"Petrovolcanic stratigraphy of Jita River section in the Northeastern sector of the Ethiopian Flood basalt province","authors":"Endayen Belay, Dereje Ayalew, Bekele Abebe","doi":"10.1007/s12517-025-12229-x","DOIUrl":"10.1007/s12517-025-12229-x","url":null,"abstract":"<div><p>The Jita River volcanic series is situated in the northeastern Ethiopian volcanic province; the area provides a well-preserved stratigraphic sequence from lower basalt formation to upper lava flow termination. The main objective of the study is to establish the petrostratigraphy of the area and use these observations for the reconstruction of magmatic conditions along a well-exposed volcanic section. The major volcanic units of the Jita section from bottom to top are aphyric-intergranular basalt, aphyric-trachy basalt flow, augite cumulophyric basalt, olivine-augite phyric basalt, kfs vitrophyric rhyolite, augite phyric basalt, aphyric columnar basalt, moderately welded tuff, kfs phyric rhyolitic-ignimbrite, kfs phyric rhyolite, columnar-aphyric basalt, and slightly vesicular aphyric basalt. Petrographically, these volcanic rocks have different modal mineralogy and textures, revealing that there is a variation in the depth of mineral fractionation and magma flux in the stratigraphy. The flows clearly showed a broad change in modal mineralogy and eruptive cyclicity, and these constraints were that they were pulsed with a fluctuating magmatic influx along the complex plumbing systems and over time fed by shallower magmatic plumbing reservoirs. Overall, this stratigraphic study provides a new insight into the magmatic evolution of the northeastern Ethiopian volcanic provinces. </p></div>","PeriodicalId":476,"journal":{"name":"Arabian Journal of Geosciences","volume":"18 4","pages":""},"PeriodicalIF":1.827,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143632412","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A physical model for investigating rocking responses of piled foundations 研究桩基础摇摆响应的物理模型

IF 1.827

Arabian Journal of Geosciences Pub Date : 2025-03-17 DOI: 10.1007/s12517-025-12232-2

Mojtaba Hadinejad, Amin Amiri, Seyed Majdeddin Mir Mohammad Hosseini

{"title":"A physical model for investigating rocking responses of piled foundations","authors":"Mojtaba Hadinejad, Amin Amiri, Seyed Majdeddin Mir Mohammad Hosseini","doi":"10.1007/s12517-025-12232-2","DOIUrl":"10.1007/s12517-025-12232-2","url":null,"abstract":"<div><p>The foundational rocking mechanism dissipates the transmitted earthquake energy to superstructure because of plastic hinges formation within the soil bed. However, there are some concerns using this design approach, such as undesired residual rotations or settlements that may cause the serviceability of the structure at risk. Nevertheless, there are several methods to control the weak points of rocking behavior of footings, namely, reinforcing the bed soils by geo synthetics or geo-grids, densifying it, or using piled foundations. Piled foundations’ rocking behavior can be studied experimentally using centrifuge and small-scale physical mode in the laboratory or large-scale testing in the field. In the present study, a developed small-scale physical model for studying rocking behavior of piled foundations is introduced. The soil bed preparation is done using the raining technique and then some typical results of the experiments, such as moment-rotation and settlement-rotation curves, are also presented. The model possesses the ability of performing a parametric study with various pile lengths, soil densities, and factor of safeties. Moreover, different types of superstructure-pile connections can be modeled and investigated through the device.</p></div>","PeriodicalId":476,"journal":{"name":"Arabian Journal of Geosciences","volume":"18 4","pages":""},"PeriodicalIF":1.827,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143632594","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Mineralogy, geochemistry, and fluid inclusion studies of the Rayen Fe deposit, Iran: implications for ore genesis 伊朗Rayen铁矿床的矿物学、地球化学和流体包裹体研究：对矿石成因的影响

IF 1.827

Arabian Journal of Geosciences Pub Date : 2025-03-15 DOI: 10.1007/s12517-025-12234-0

Balandeh Aminzadeh

{"title":"Mineralogy, geochemistry, and fluid inclusion studies of the Rayen Fe deposit, Iran: implications for ore genesis","authors":"Balandeh Aminzadeh","doi":"10.1007/s12517-025-12234-0","DOIUrl":"10.1007/s12517-025-12234-0","url":null,"abstract":"<div><p>The Rayen Fe deposit is located in the Urumieh-Dokhtar magmatic arc, a major metallogenic belt in Iran. The deposit consists of several hypogene orebodies that occur as high-grade lenticular massive magnetite bodies (up to 50 m long and 3 m wide). Magnetite geochemical compositions, microthermometric analysis of fluid inclusions, and magnetite oxygen isotope data were analyzed to constrain mineralization conditions and the genesis. The Fe mineralization is associated with the intrusion of an Eocene dioritic pluton into Cretaceous carbonate rocks. Magnetite is the most abundant ore mineral, accompanied by minor amounts of pyrite, chalcopyrite, hematite, and goethite. Pyroxene, garnet, quartz, amphibole, epidote, chlorite, and calcite are gangue minerals. The δ<sup>18</sup>O values of magnetite, ranging from + 0.15 to + 3.8‰, are consistent with precipitation from magmatic-hydrothermal fluids. The chemical signature of magnetite, including low mean concentrations of Al (0.268 wt.%), Ti (81.85 ppm), V (58.69 ppm), Cr (18.45 ppm), and Ni/Cr (mean = 3), LREE/HREE ratios (mean = 2.41), negative Ce (Ce/Ce* < 1, 0.25–0.65), and positive Eu (Eu/Eu* = 1.08–4.08) anomalies, are consistent with a magmatic-hydrothermal source for the mineralization. Results from microthermometric analyses of fluid inclusions indicate that a magmatic-meteoric mixed fluid was responsible for ore mineralization at the Rayen deposit. The tectonic setting (magmatic arc; Urumieh-Dokhtar magmatic belt), the epigenetic nature of the mineralization, textural evidence, mineral assemblages, adjacent to the dioritic pluton, microthermometric data, oxygen isotope analyses, and geochemical characteristics of magnetite indicate that the mineralization process at the Rayen Fe deposit is similar to that of skarn-type Fe deposits.</p></div>","PeriodicalId":476,"journal":{"name":"Arabian Journal of Geosciences","volume":"18 4","pages":""},"PeriodicalIF":1.827,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143622094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Provenance, weathering, and metallogenic characteristics of lateritic soils in the Koubou district, Eastern Cameroon 喀麦隆东部库乌地区红土的物源、风化及成矿特征

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Arabian Journal of Geosciences Pub Date : 2025-03-15 DOI: 10.1007/s12517-025-12231-3

Amaya Adama, Bisse Salomon Bertrant, Bokanda Ekoko Eric, Anyeku Njek Rexon, Boroh Andre William, Ngwang Nfor Bertrand

{"title":"Provenance, weathering, and metallogenic characteristics of lateritic soils in the Koubou district, Eastern Cameroon","authors":"Amaya Adama, Bisse Salomon Bertrant, Bokanda Ekoko Eric, Anyeku Njek Rexon, Boroh Andre William, Ngwang Nfor Bertrand","doi":"10.1007/s12517-025-12231-3","DOIUrl":"10.1007/s12517-025-12231-3","url":null,"abstract":"<div><p>The lateritic soils in the Eastern region of Cameroon were subject to geochemical investigation in order to unveil their source rock composition, tectonic setting, past weathering intensity, climate type, and metallogenic properties. Source rock binary plots of Al<sub>2</sub>O<sub>3</sub> vs. TiO<sub>2</sub>, Th/Sc, La/Co, and Cr/Th indicates a felsic composition origin for the studied lateritic soils. The lateritic soils reflect a tectonic background of passive origin revealed by plots of Log (SiO<sub>2</sub> vs. K<sub>2</sub>O/Na<sub>2</sub>O), DF (A-P)MT, DF1 vs. DF2, and DF (A-P)M. The high plagioclase lixiviation and weathering displayed by the studied laterites are signpost by the plagioclase index of alteration (PIA) and chemical index of alteration (CIA) within a hot humid climatic condition. The hot humid conditions that existed during the laterites’ formation revealed by the PIA and CIA is also supported by trace element ratios f Rb/Sr Al<sub>2</sub>O<sub>3</sub>/MgO, Sr/Cu, Sr/Ba, and Fe<sub>2</sub>O<sub>3</sub>/MnO. The ternary plot of SiO<sub>2</sub>-Al<sub>2</sub>O<sub>3</sub>-Fe<sub>2</sub>O<sub>3</sub> coupled with the ternary plot of Al<sub>2</sub>O<sub>3</sub>-Fe2O3-MnO indicates that the studied lateritic soil is classified as metalliferous to terrigenous bauxitic clay with evidence of weak lateritization.\u0000</p></div>","PeriodicalId":476,"journal":{"name":"Arabian Journal of Geosciences","volume":"18 4","pages":""},"PeriodicalIF":1.827,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143622091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

L-moments based regional frequency analysis on 1D flood analysis by solving regular energy equations in the urban areas 基于l矩的区域频率分析在城市地区一维洪水分析中的应用

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Arabian Journal of Geosciences Pub Date : 2025-03-14 DOI: 10.1007/s12517-025-12233-1

Tuğçe Anılan, Hasan Oğulcan Marangoz, Misra Gumma Wara

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Assessing the efficacy of the post-stack processing in enhancing the quality of seismic data covering the Heba Oil Field, Abu Gharadig Basin, Egypt 评价叠后处理在提高埃及Abu Gharadig盆地Heba油田地震数据质量方面的效果

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Arabian Journal of Geosciences Pub Date : 2025-03-14 DOI: 10.1007/s12517-025-12218-0

Hatem Farouk Ewida, Mohammad Abdelfattah Sarhan

{"title":"Assessing the efficacy of the post-stack processing in enhancing the quality of seismic data covering the Heba Oil Field, Abu Gharadig Basin, Egypt","authors":"Hatem Farouk Ewida, Mohammad Abdelfattah Sarhan","doi":"10.1007/s12517-025-12218-0","DOIUrl":"10.1007/s12517-025-12218-0","url":null,"abstract":"<div><p>The present study deals with improving the seismic data quality to better interpret the subsurface structure of the Heba Oil Field using post-stack seismic data processing. Potential hydrocarbon accumulations have been discovered in the study area as deep as the Cretaceous Bahariya reservoirs. The seismic data used for these discoveries was processed mainly for this shallow section. The main target of this research is to enhance, mainly, the seismic imaging of the deeper section to help identify the deeper structures that could represent potential traps. Despite the seismic data processing being used on stacked seismic sections, i.e., post-stack processing, it enhanced not only the deeper section of the data but also the shallow. Time-variant frequency filtering (TVF) and predictive deconvolution were found to be the most effective processing techniques to increase the seismic resolution and, in turn, improve the data imaging quality. Several dipping reflectors representing deep geologic structures have been imaged with good continuity and remarkable geometry.</p></div>","PeriodicalId":476,"journal":{"name":"Arabian Journal of Geosciences","volume":"18 4","pages":""},"PeriodicalIF":1.827,"publicationDate":"2025-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143612235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Mapping the tidal flats of Kuwait Bay using Sentinel-2 data and GEE 利用Sentinel-2数据和GEE绘制科威特湾滩涂图

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Arabian Journal of Geosciences Pub Date : 2025-03-12 DOI: 10.1007/s12517-025-12226-0

Nawaf Almutairi, Jenan Bahzad

{"title":"Mapping the tidal flats of Kuwait Bay using Sentinel-2 data and GEE","authors":"Nawaf Almutairi, Jenan Bahzad","doi":"10.1007/s12517-025-12226-0","DOIUrl":"10.1007/s12517-025-12226-0","url":null,"abstract":"<div><p>Tidal flats, unique coastal wetlands, offer vital ecological services such as pollutant removal, carbon storage, and shoreline stability. Kuwait Bay hosts the Arabian Gulf’s largest tidal flat ecosystem, which is crucial for biodiversity. Despite their importance, these tidal flats face threats from nature and human activities, leading to a widespread decline in their spatial extent. This study aims to map Kuwait Bay’s tidal flats with Sentinel-2 data and the Google Earth Engine (GEE) platform. Spectral index analysis revealed that the mNDWI is the most suitable index for representing the maximal water extent, whereas the NDVI is appropriate for determining the minimal water extent. The performance of each index is validated through confusion matrices, with overall accuracies ranging between 96 and 87% and <i>F</i>1 scores ranging between 0.87 and 0.93. The combination of the GEE platform with index analysis, image processing, and accuracy assessment techniques offers a precise mapping method at local and national scales in arid areas. The results revealed that Kuwait Bay’s tidal flats cover 157.2 km<sup>2</sup>, with 60% along the northern coast of Kuwait Bay and 40% in Sulibikhat Bay and Doha Bay. This study represents the first attempt to map tidal flats in the Arabian Gulf region and will assist in developing monitoring and protection strategies, tracking tidal flat evolution, and achieving sustainable development goals related to coastal and marine environments.</p></div>","PeriodicalId":476,"journal":{"name":"Arabian Journal of Geosciences","volume":"18 4","pages":""},"PeriodicalIF":1.827,"publicationDate":"2025-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Climate change impact on Ethiopian alluvial groundwater 气候变化对埃塞俄比亚冲积地下水的影响

IF 1.827

Arabian Journal of Geosciences Pub Date : 2025-03-04 DOI: 10.1007/s12517-025-12223-3

Tesema Kebede Seifu, Gera Techane

{"title":"Climate change impact on Ethiopian alluvial groundwater","authors":"Tesema Kebede Seifu, Gera Techane","doi":"10.1007/s12517-025-12223-3","DOIUrl":"10.1007/s12517-025-12223-3","url":null,"abstract":"<div><p>Alluvial aquifers are valuable geological assets, and their productivity is reliant on the prevailing weather patterns. The study is aimed at investigating the climatic impact on the alluvial aquifers in two separate regions of Ethiopia: the western catchment (Gambela) and the eastern catchment (Somali). The research locations are characterized by semi-arid conditions and are particularly vulnerable to climate change effects. These effects of climate change on groundwater resources were assessed using global climate models and land cover data for two time periods: the present (2011–2040) and the future (2041–2070). The research was conducted using actual crop evapotranspiration (AETc), effective precipitation, and the De Martone Aridity Index (DMI) by using the spatial–temporal method. The technique employs a deduction grid to merge the effective precipitation and DMI for evaluating the effect of climate on groundwater giving five classes of effects, from very low to very high. The results show that all AETc, effective precipitation, and DMI vary both spatially and temporally for the coming periods. These changes were more pronounced in the western catchment (WC) than in the eastern catchment (EC). The present period’s impacts are most noticeable in the western region (near Jikawo) of WC, as well as in the northern (Shinile and Aysha) and southern (Deghabur) parts of EC. High and very high climatic effect zones will increase spatial coverage in those regions. The impact of climate change estimation was supported by empirical analysis of the potential recharge. The future potential recharge is reduced in magnitude in both catchments. The climate susceptibility study is significant for the two regions in managing precious water resources, such as groundwater.</p></div>","PeriodicalId":476,"journal":{"name":"Arabian Journal of Geosciences","volume":"18 4","pages":""},"PeriodicalIF":1.827,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143533063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Lineaments and hydrothermal alteration mapping in the Arkawit area, NE Sudan: insights from remote sensing 苏丹东北部Arkawit地区的地貌和热液蚀变填图：来自遥感的见解

IF 1.827

Arabian Journal of Geosciences Pub Date : 2025-03-04 DOI: 10.1007/s12517-025-12222-4

Talha Mohamed Yousif, Olawale Kayode Aromolaran, Khalid Mustafa Kheiralla

{"title":"Lineaments and hydrothermal alteration mapping in the Arkawit area, NE Sudan: insights from remote sensing","authors":"Talha Mohamed Yousif, Olawale Kayode Aromolaran, Khalid Mustafa Kheiralla","doi":"10.1007/s12517-025-12222-4","DOIUrl":"10.1007/s12517-025-12222-4","url":null,"abstract":"<div><p>Utilizing remote sensing data is a common protocol in mineral exploration, particularly during the initial stages of identifying alteration zones and understanding the interrelationships between tectonic structures and mineral deposits. The primary objective of this research is to identify and optimize lineaments for the purpose of locating areas of hydrothermal alterations with regard to orogenic gold deposits in the Arkawit area of NE Sudan’s Haya terrain. Landsat-8 OLI, ASTER, and SRTM DEM data were employed. A suite of digital image processing techniques, including false color composites, band ratio, decorrelation stretching, and principal component analysis, was employed to extract useful information and derive insights from the datasets. Landsat-8 OLI effectively delineates the hydrothermal alteration zones, which are predominantly located in the central part of the study area. In addition, the ASTER data has revealed distinctive argillic, phyllic, and propylitic alteration characteristics. The integration of lineaments extracted from Landsat-8 OLI and SRTM DEM analyses culminated in the identification of three primary directions, namely, NE-SW, N-S, and E-W. Subsequently, the resulting alteration zones were classified into four categories based on their intensity: high, moderate, low, and very low. This study demonstrates that the density of lineaments within the study area is positively correlated with the intensity of the alteration zones.</p></div>","PeriodicalId":476,"journal":{"name":"Arabian Journal of Geosciences","volume":"18 4","pages":""},"PeriodicalIF":1.827,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143533061","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0