If the inline pdf is not rendering correctly, you can download the pdf file here. A geological map identifies and shows the distribution of various rock types in area. Geology and mineral resources of nigeria springerlink. Highresolution aeromagnetic data hrad of parts of the southwestern and northcentral nigeria between 7 30. Electronic journal of geotechnical engineering ejge. The northern boundary is the benin flankan eastnortheast trending hinge line south of the west africa basement massif. Estimates of the corresponding radiological health risk associated with the soil in this area are presented.
Pdf abstract the nigerian basement complex has undergone polyphase metamorphism and polycyclic deformation during the late proterozoic and early. An rmode quartimax rotated factor matrix was applied to a statistical study of stream sediment geochemical data from onyami drainage system within igarra area in southwestern nigeria. Asu river group of the lower benue trough, southern part of nigeria. Geology and petroleum systems of the offshore benin basin. Assessment of geotechnical properties of soils derived.
The work embodied in this dissertation is original and has not been submitted in part or in full for any other diploma. Rahaman preliminary report on the field relationships of the basement complex rocks around igarra, midwest i. The general cover vegetation in idanre, especially at the base of ufeoke hills, is composed of herbaceous species, lianes, climbers and tree seedlings. Jebba area lies at the northern margin of the southwestern sector of the nigerian basement complex figure 2. E have been analyzed with a view to investigate the possible extension of ifewara fault zone beyond ilesa area. Geological survey editorial standards or with the north american stratigraphic. Its current title, journal of mining and geology adopted from the edition for 1966, was modified between 1982 and 1987, as the nigerian journal of mining and geology. Significant of geology and geophysical investigations in. Part 1 discusses the geology of the crystalline rocks and their regional distribution while the sedimentary basins constitute the subject of part 2. Geological distribution of mineral resources in southwestern nigeria adekoya, j. Seismic refraction survey of tar sands deposits in ijebu east. Province geology the onshore portion of the niger delta province is delineated by the geology of southern nigeria and southwestern cameroon. Please see wikipedias template documentation for further citation fields. Abstract integrated geophysical investigation involving electrical resistivityer and ground penetrating radar gpr techniques were carried out around a site underlined by basement complex rocks of southwestern nigeria.
Geology and groundwater quality assessment of ido osi area. The application of integrated geophysical methods in oil sand exploration in agbabu area of southwestern nigeria j. Odeyemi intermediate rocks from older granite complexes. Geology of liruei, banke and adjacent younger granite ring complexes. Engineering geological evaluation of some rocks from akure. As such, petroleum is central to economy of nigeria, producing 80 percent of government revenues and 95 percent of export earnings.
Pdf an overview of the geology and hydrogeology of nigeria. Water quality evaluation of okemesi area, southwestern nigeria olusiji samuel ayodele department of geology, ekiti state university, p. The area is underlain by metasedimentary and metaigneous rocks which have undergone polyphase deformation and. B 301 osun state nigeria 2department of physics olabisi onabanjo university, agoiwoye ogun state nigeria. Nigerias geological set up comprises a broadly sedimentary formation and crystalline basement complex see figure 1. Integration of electrical resistivity and ground penetrating. The application of integrated geophysical methods in oil sand. Jelsma encyclopedia of life support systems eolss the worldwide 1. Review of the basement geology and mineral belts of nigeria. The study areas are easily accessible by motorable roads and tracks while figure 2 showed the sampling locations of the beach sediments in the studied area. Location, physiography and geology of study area the study area ischaracterized by gently undulating topography with average elevation of 260 m above sea level fig. Ako 2 1department of applied geophysics, federal university of technology, akure, nigeria 2department of geology, obafemi awolowo university, ileife, nigeria accepted 03 september, 2012.
Structural geology of the basement complex rocks in iwaraja area. Deformation characteristics of coastal plain sands at a water treatment site, calabar, southeastern nigeria. The basement complex rocks, concentrated on the southwestern and north central to. Elizabethan publishing company, 1976 geology 436 pages.
Previous work about nine lagoons have been described in southwestern nigeria 20 21 19 they are the yewa, badagry, ologe, iyagbe, lagos, kuramo, epe, lekki and mahin lagoons. Geochemical signatures and mineralization potentials of precambrian pegmatites of southern obudu, bamenda massif, southeastern nigeria. Geochemical signatures and mineralization potentials of. The production of the journal is normally biannual 2 issues per volume in march and september. This book provides a detailed description of nigerias geology and mineral resources with the aim of promoting sustainable economic development of nigerias. The results of these studies have had the effect that subsequent publications on the geology of nigeria have overwhelmingly been from areas of known mineral occurrences. Badagry is a coastal town in lagos state, nigeria, and it is between the city of lagos and the border with benin at seme. Contains details on the geological units of nigeria and the associated mineral resources. The area is underlain by the gneissmigmatite complex, the low grade supracrustal schist belts and the panafrican granitoids which intruded both the gneissmigmatite complex and the supracrustal units. The geology, stream sediment geochemical survey and ground.
Warri is a city in the southwestern part of the niger delta, in nigeria. 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. This paper summarizes the tectonosedimentary development and petroleum system of the offshore benin basin obb. Geology and geotectonic setting of the basement complex rocks in south western nigeria. Federal university of technology, akure, southwestern, nigeria. Waec gce past questions and answers free download pdf all. The benue trough is one of the seven main sedimentary structural features in the sene nigeria. The pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader if you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs alternatively, you can download the pdf file directly to your computer, from where it. This one provides a spectrum sweep of key publications over. Olusiji samuel ayodele department of geology, ekiti state university, p. Ilesha area in southwestern nigeria to wamba area in jos plateau fig. Pdf the structural geology of eshiawa in igarra area. The structural geology of eshiawa in igarra area, southwestern nigeria adiela u. The study was carried out to delineate the geochemistry of unstudied metasedimentary rocks in the igangan sheet 240 nw.
Between these massifs, sedimentary basins are strung out along a northeastsouthwest axis from lake chad to the niger delta, i. Use of stable carbon isotope in characterization of tar sand deposit in southwestern nigeria. Pdf the geology of eshiawa in igarra area, southwestern nigeria. Within the study area, the structures document lateprecambrian deformation during the closing stages of panafrican orogenesis. Electrical resistivity imaging eri data for characterising crystalline. Geochemical signatures and mineralization potentials of precambrian pegmatites of southern obudu. Adeyemi adelekan, department of geology, university of ibadan, nigeria, africa, email. Geology of agoiwoye lies a few kilometers away from the contact between the basement complex and the sedimentary terrain as shown in figure 2a. Iwaraja area, southwestern nigeria showed that the basement rocks. International journal of physical science, 815, pp. Geology and geotectonic setting of the basement complex rocks. Publications of ngsa nigeria geological survey agency. In the republic of benin, the geology is fairly well.
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. Geogenic radiological impact assessment of soil samples. In accordance with structural development, the stratigraphic succession of this basin was divided into 4 sequences. Joint application of ground penetrating radar and electrical. It is separated from the niger delta by a subsurface basement high referred to as the okitipupa ridge. Within the study area, the structures document lateprecambrian deformation during. Tectonic and structural analysis of the migmatitegneiss. 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. Half of nigerias land is composed of three main basement complexes located in the west, the northwest and the southeast. Geological mapping, petrological study and structural. Pdf the geological and structural evolution assessment of the basement complex. 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. W ater resources inventory of southwestern nigeria sho ws that water supplies are mostly from surface sources, such as dams and weirs in streams and rivers. Niger delta province, nigeria, cameroon, and equatorial guinea, africa by michele l.
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. Geology and mineral resources of oyo state, south w estern. The attached files appendices a consist of five traverses of 2d electrical. Precambrian geology of nigeria including the southwestern nigerian basement complex. Geological field mapping was undertaken to delineate the different metasedimentary rocks. The geological map of nigeria showing the schist belts after. Sc 2 odunaike rasaki kola phd 3 fasunwon olusola o. This geophysical study was carried out to determine the occurrence of phosphate nodules in the oshoshun formation of the dahomey basin, southwestern nigeria. Vertical electrical sounding, well inventory and physicochemical analysis were conducted to evaluate soil corrosivity and aquifer protective capacity of overburden units in the basement complex terrain of adoekiti, southwestern nigeria. Comparison of conventional schlumberger and modified. The geology, stream sediment geochemical survey and. Within this belt, the individual pegmatite bodies generally trend.
Factor analysis of stream sediment geochemical data from. Soil corrosivity and aquifer protective capacity of. Petrochemistry and petrogenetic features of metasedimentary. 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. Pages in category geology of nigeria the following 12 pages are in this category, out of 12 total. Geology and mineral resources of nigeria nuhu george. The pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader if you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs. The electrical resistivity method, comprising 1d vertical electrical sounding ves. The crystalline basement rock of the country is grouped as the nigerian province, a southern continuation of the central hoggar reactivated basement. The lagos lagoon has received much attention because of its loca.
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. Seismic refraction survey of tar sands deposits in ijebu. Bammeke, computeraided factor analysis of stream sediment geochemical data from igboora greenstonegranite complex, southwestern nigeria, nigeria journal of mining and geology, vol. Dahomey basin at badagryseme and lagos, southwestern nigeria. Geophysical investigation of the possible extension of.
Niger delta akataagbada petroleum system of9950h, chapter a. Phd 1department of science laboratory technology osun state polytechnic iree, p. The application of integrated geophysical methods in oil. Nigeria has extensive natural resources and is the largest crude oil producer in africa and 20 billion barrels of reserves. A resistivity survey of phosphate nodules in oshoshun. Ogun state southwestern nigeria 1 raimi adepoju mufutau m. Nigeria lies very close to the equator, between latitude 4n and 14n and longitude 3e and 15e. Chapter 8 the dahomey basin ibrahim badamasi babangida.
Structural geology of the basement complex rocks in iwaraja area, southwestern nigeria. 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. An inventory of the geological, biological and cultural. Within this belt, the individual pegmatite bodies generally trend in a ns direction.