Universities, the dearth of unemployed geology graduates in our system or a platetectonic explanation of why most of nigeria oil is found in the southeastern and only a token quantity in the south western niger delta, or why most of our solid mineral resources are located in the northern parts of the country. Iwaraja area, southwestern nigeria showed that the basement rocks comprise quartzites and quartz. Review of the basement geology of southwestern nigeria. Outcrops of the formation are well exposed along the long reach of orle stream in auchi as well as road embarkments at ayogwiri, fugar and othame environs in the western flank of the anambra basin, southwestern nigeria. Pdf radiometric survey as a useful tool in geological. Geotechnical properties and geochemical composition of. Contains details on the geological units of nigeria and the associated mineral resources. Everyday low prices and free delivery on eligible orders. Local geology of the study area iworoko, are and afao ekiti lies within the basement complex of southwestern nigeria, and falls within the central part of ekiti state about 5kms away from the state capital ado ekiti, and is underlain by migmatitegneiss complex of precambrian age.
Department of geology, anambra state university, uli, anambra state, nigeria author for correspondence abstract source rock thermal maturation of campanian enugu shale in anambra basin, southeastern nigeria was assessed by rockeval pyrolysis. Geology and mineral resources in oyo state geology oyo state is located in the southwestern part of nigeria and is underlain by three lithological units of the crystalline basement complex which wholly belong to the precambriancambrian basement complex fig. Geology and gold mineralization around kutcheri, northwestern nigeria amuda, a. Geology of agoiwoye lies a few kilometers away from the contact between the basement complex and the sedimentary terrain as shown in figure 2a. The mapped area falls within the benue trough the oldest sedimentary rocks in nigeria is in this trough and they are of lower cretaceous age.
Geochemical stream reconnaissance survey of the schist. Gamma ray spectrometer disa300 and broadband gamma ray scintillometer bgsisl were used to evaluate the radiometric properties of rocks igneous, sedimentary and metamorphic in parts of southwestern nigeria. It is separated from the niger delta by a subsurface basement high referred to as the okitipupa ridge. Large sedimentary basins formed in southern nigeria, divided by the okitipupa ridge. Geology and mineral resources of nigeria nuhu george. Geology of nigeria is dominated by crystalline and sedimentary rocks both occurring. Case study of aagba and en international journal of research. The eburnean event is marked by the emplacement of the ibadan granite gneiss in southwestern nigeria which has been dated 2500200ma rahaman 1988 and a pink granite gneiss at ileife southwestern nigeria dated 1875ma using upb on zircon. Our coverage region is located at latitudes of 700. Significant of geology and geophysical investigations in. If you dont have an account with springer immediately available per pdf download no of nigerias geology and mineral resources with the aim of promoting. An overview of the geology and hydrogeology of nigeria. Geotechnical properties and geochemical composition of kaolin. Textural characteristics of the siliciclasts of ajali.
Southwestern nigeria contribute their quota to family income and societal development. Journal of geology and mining research full length research paper geochemical stream reconnaissance survey of the schist belt around igboora, southwestern nigeria mustapha taiwo jimoh1, anthony temidayo bolarinwa2 and tesleem kolawole3 1department of earth sciences ladoke akintola university of technology ogbomosho, nigeria. Part 1 discusses the geology of the crystalline rocks and their regional distribution while the sedimentary basins constitute the subject of part 2. Geological mapping, petrological study and structural. The application of integrated geophysical methods in oil sand. Pdf structural geology of the basement complex rocks in. Ayinla folorunsho musbau 1 1 department of geology, the polytechnic, ibadan, nigeria. A federal republic comprising 36 states and the federal capital territory, where the capital, abuja. Structural geology of the basement complex rocks in. Geology and mineral resources of oyo state, south western. Regional geology of nigeria geology, nigeria the mapped area falls within the benue trough the oldest sedimentary rocks in nigeria is in this trough and they are of lower cretaceous age.
Nigeria geology jobs, geology job vacancies in nigeria. The basement complex, which is precambrian in age, is made up of the migmatitegneiss complex, the schist belts and the older granites. The region was affected by the panafrican orogeny in the neoproterozoic and extensional tectonics in the mesozoic that deposited very thick oilbearing sedimentary sequences in rift basins. The geology of nigeria is made up of three major lithopetrological components, namely, the basement complex, younger granites, and sedimentary basins. Geology and earth science news, articles, photos, maps and. Togo and the republic of benin to southwestern nigeria 1 as abstract the dahomey basin is an amalgamation of inlandcoastaloffshore basin that expanses from southeastern ghana through togo and the republic of benin to southwestern nigeria. Water quality evaluation of okemesi area, southwestern nigeria olusiji samuel ayodele department of geology, ekiti state university, p. This paper documents the results of our recent studies that were carried out in the iwaraja area and discusses the geology and structural development of the basement rocks in the area. The geology, stream sediment geochemical survey and ground.
American journal of engineering research ajer 2017 w w w. Enugu shale in anambra basin, south eastern, nigeria anozie h. Jelsma encyclopedia of life support systems eolss the worldwide 1. Geology and mineral resources of nigeria springerlink.
The conglomerates are imbricated and at some locations where ironstones occur nton and elueze, 2005. Pdf the geological and structural evolution assessment of the basement complex rocks in iwaraja area, southwestern. Grain size and depositional pattern of sediment from okeluse area, southwestern nigeria have been carried to evaluate its textural parameters and statistical measures to depict the depositional pattern of sediments in the study area. Compositional trends in relation to tanb mineralization in. Ako 2 1department of applied geophysics, federal university of technology, akure, nigeria 2department of geology, obafemi awolowo university, ileife, nigeria accepted 03 september, 2012. Half of nigeria s land is composed of three main basement complexes located in the west, the northwest and the southeast. Pdf an overview of the geology and hydrogeology of nigeria. Geochemical stream reconnaissance survey of the schist belt.
This book provides a detailed description of nigerias geology and mineral resources with the aim of promoting sustainable economic development of nigerias. Freeththe geological sequence and geochronology of old. This multidisciplinary publication was initiated in 1963, and to 1965 titled the journal of the nigerian mining geological and metallurgical society. Southwestern nigeria, consisting of conglomerates and grits at the base which is in turn overlain by coarse to medium grained sands with interbeded kaolinite. Other units include the nesw trending schist belts mostly developed in the.
A rahaman, 4 conclusion geologically, the study area falls within the precambrian basement rocks of southwestern nigeria 5 with six major lithologic units namely. The geology of nigeria formed beginning in the archean and proterozoic eons of the. The benue trough is one of the seven main sedimentary structural features in the sene nigeria. Pdf the geology of eshiawa in igarra area, southwestern nigeria. They become a burden to family members aside the children and the. Evaluation of selected basement complex rocks from ado. Pdf abstract the nigerian basement complex has undergone polyphase. Geology and mineral resources of the lower benue trough. Electrical resistivity imaging eri data for characterising crystalline.
The geological and structural evolution assessment of the basement complex rocks in iwaraja area, southwestern nigeria showed that the basement rocks comprise quartzites and quartzschists of the effon psammite formation, quartzmica schists, biotite schists, migmatitic gneisses, granitic gneisses, late and posttectonic granitic rocks including pegmatites, which have been subjected to two. The precambrian metavolcanosedimentary sequence east of ife. Within this belt, the individual pegmatite bodies generally trend in a ns direction. A total of ten samples were collected for this study. A geological map identifies and shows the distribution of various rock types in area. This paper examines the cultural explanation for this phenomenon, the gender construction of death.
The geology of nigeria is dominated by crystalline and sedimentary rocks both. The structures of the pan african belt in the southwestern nigeria eshiawa area of igarra are the result of a succession of several events. Within this belt, the individual pegmatite bodies generally trend. An age range of neocomianalbian is assigned to this formation based on paleontological. Inset is map of nigeria showing ondo state modified from. Department of applied geology, school of earth and mineral sciences, federal university of technology, akure, ondo state, nigeria and. Ross abstract the shafter mining district is principally notable for the presidio mine, which. Therefore, more than often, those exploiting this natural resource. Precambrian geology of nigeria including the southwestern nigerian basement complex.
Introduction this study is focused on the significant of geologic mapping and integrated geophysical methods in assessing the groundwater prospect of a typical basement terrain in some parts of southwestern nigeria. Integrated geology and geochemical analysis of eruku basement. B 5363 adoekiti author for correspondence abstract the geology, stream sediment geochemical survey and groundwater quality evaluation of okemesi and environs, southwestern, nigeria was carried out. The study area is generally characterised by a gentle to lowlying terrain, though some spot heights. The application of integrated geophysical methods in oil sand exploration in agbabu area of southwestern nigeria j. Characterization and mineralization potentials of granitic.
Section map of nigeria showing the regional geology of anambra basin. This one provides a spectrum sweep of key publications over. The method of sampling adopted for this study is a spot sampling method. A, 1996 geochemistry and geotectonic setting of precambrian amphibolites and granitic gneisses in the jebba area, southwestern nigeria. The study revealed that although the two instruments used recorded different gamma radiation value and the graphs generated by the instruments are quite similar. The work embodied in this dissertation is original and has not been submitted in part or in full for any other diploma. Nigeria is a vast country with considerable wealth in natural resources and understanding nigerias geology is critical for efficient exploration and exploitation of these resources. The geology of nigeria, as detailed in kogbe, is made up of three main rock. Marco, national university of cordoba, argentina and national research council conicet, argentina.
The study area predominantly consists of metasediments, porphyritic granites with minor. Review of the basement geology and mineral belts of nigeria. In order to correctly reference this scholarly work, feel free to copy and paste the. Modelling subsurface geologic structures at the ikogosi geothermal. The geology of the iws region has been extensively discussed by oyinloye, adegbuyi et al. Odeyemi intermediate rocks from older granite complexes. Structural geology of the basement complex rocks in iwaraja area, southwestern nigeria. Pdf geology and geotectonic setting of the basement complex. Geological distribution of mineral resources in southwestern nigeria adekoya, j. Geology and mineral resources of oyo state, south western nigeria. Geology and gold mineralization around kutcheri, northwestern. Corporate headhunters nigeria limited our client is recruiting to fill the position of. Ilesha area in southwestern nigeria to wamba area in jos plateau fig.
The implication of subsoil geology in foundation failure using geotechnical methods. The geology, stream sediment geochemical survey and. Characterization and mineralization potentials of granitic pegmatites of komu area, southwestern nigeria. Grain size and depositional pattern of sediment from. Geology and mineral resources of oyo state, south w estern. Marco, national university of cordoba, argentina and. Global journal of geological sciences is aimed at promoting research in all areas of geological sciences including geochemistry, geophysics, engineering geology, hydrogeology, petrology, mineralogy, geochronology, tectonics, mining, structural geology, marine geology, space science etc.
Rahaman preliminary report on the field relationships of the basement complex rocks around igarra, midwest i. It is a part of the basement complex of nigeria which forms one of the three major lithopetrologic units that make up the geology of nigeria. Its current title, journal of mining and geology adopted from the edition for 1966, was modified between 1982 and 1987, as. Add tags for the geology of part of southwestern nigeria. Grain size and depositional pattern of sediment from okeluse. Waec gce past questions and answers free download pdf all.
Southwest nigeria map nigeria mapcarta the free map. Quartzite, bandedgneiss, biotitegneiss, biotiteschist, quartzbiotite schist and pegmatite. Eruku, located within osi which is part of the southwestern nigerian basement. Between these massifs, sedimentary basins are strung out along a northeastsouthwest axis from lake chad to the niger delta, i. Compositional trends in relation to tanb mineralization. Geology and ore deposits of the shafter mining district, presidio county, texas by clyde p. Geology and mineral resources of nigeria nuhu george obaje. Please see wikipedias template documentation for further citation fields. Its southern coast is on the gulf of guinea in the atlantic ocean. Interested candidates should possess a degree in geology, geophysics or other earth or physical science or any other related engineering discipline with at. Modelling subsurface geologic structures at the ikogosi. The geology of south sudan is founded on precambrian igneous and metamorphic rocks, that cover 40 percent of the countrys surface and underlie other rock units.
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