Reassessing Groundwater Potentials and Subsurface water Hydrochemistry in a Tropical Anambra Basin, Southeastern Nigeria

作     者：Saadu Umar Wali Ibrahim Mustapha Dankani Sheikh Danjuma Abubakar Murtala Abubakar Gada Kabiru Jega Umar Abdulqadir Abubakar Usman Ibrahim Mohammad Shera 

作者机构：Department of GeographyFederal University Birnin kebbiP.M.B 1157.Kebbi StateNigeria Department of GeographyUsmanu Danfodiyo University SokotoP.M.B.2346.Sokoto StateNigeria Department of Pure and Industrial ChemistryFederal University Birnin kebbiP.M.B 1157.Kebbi StateNigeria 

出 版 物：《Journal of Geological Research》 (地质研究（英文）)

年 卷 期：2020年第2卷第3期

页      面：1-24页

学科分类：081803[工学-地质工程] 08[工学] 0818[工学-地质资源与地质工程] 

基　　金：supported by Federal University Birnin kebbi.Many thanks to anonymous contributors 

主　　题：Geological formations Groundwater hydrochemistry Ajali formation Ameki formation Imo shale 

摘      要：This review presented a detailed re-assessment of the hydrogeology and hydrochemistry of the Tropical Anambra *** identified and discussed the major geological formations and their groundwater *** geological examination showed that the Ajali Formation is confined in places forming an artesian condition;the potentials of this aquifer decline in the western basin due to a decrease in *** sandstone associates of the Nsukka Formation are aquiferous and have produced high-pressure artesian boreholes along the Oji *** Imo Shale is characterized by permeability stability all over much of the intermediate *** Bende-Ameki aquifer has a lesser amount of groundwater when equated to other formations;the geologic characteristics do not produce favorable hydrogeological conditions for groundwater *** stratigraphical and structural framework suggested the presence of an efficient throughflow in the *** on physical and chemical parameters of water quality,the basin holds water of acceptable *** there are considerable investigations on the hydrogeology and hydrochemistry,studies are short of analysis of the hydrogeochemical evolution of groundwater,water quality index,heavy metals pollution index as well as total hazard *** of groundwater based on agricultural water quality indices(***)is also ***,future studies should address these owing to increasing dependence on groundwater.