Anambra basin showing the extension of ajali sandstone drawn from geological map of nigeria, gsn, 1994. Evaluation of the hydrocarbon maturity level of oil well. Well logsderived radiogenic heat production in the. Hydrocarbon generative potential of campanian source rock. Palynofacies studies of sedimentary succession in ogbabu1. It extends from southeastern ghana through togo and benin republic on the west side to the okitipupa ridge on the east side in the southern part of nigeria. Sedimentology and sequence stratigraphy of the nkporo group campanianmaastrichtian, anambra basin, nigeria sandstones obi, 2000. Source rock evaluation in the lake chad area of the bornu basin. The niger delta basin to date is the m ost prolific and economic sedimentary basin in n igeria by the virtue of the impact size petroleum accumulations, discovered and produced as well as the spatial distribution of the. Irrigation suitability evaluation of asu river basin soils.
The benue trough is one of the seven main sedimentary structural features in the sene nigeria. The sedimen tary basins are of cretaceous to recent age. Pdf subsidence, hydrocarbon generation and thermal. The geotechnical properties of clay occurrences around. Subsurface evaluation of source rock and hydrocarbon. Anambra basin is one of the energyrich inland sedimentary basins in nigeria 153 it is a nearly triangular shaped embayment covering about 3000 km 2 with a total sedimentary thickness of approximately 9 km 2. The ages of the basement rocks span precambrian to early palaeozoic, having been consolidated during the panafrican.
Sedimentary basins range in size from as small as hundreds of meters to large parts of ocean. 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. Benue trough of nigeria is a swne cretaceous intracontinental basin that. Reduce uses that will be dangerous to health and welfare which would result to undue claims upon public agencies for remedy. Generalized geological map of nigeria boxed areas of inset showing the geological map of the anambra basin. It lies between longitude 5 o 35 1 e and 5 o 39 1 e and latitude 9 o 10 1 n and 9 o 1 n of nigeria on sheet 183 egbako s. Subsurface evaluation of source rock and hydrocarbon potential of the anambra basin, south eastern nigeria iheanacho princewill ugochukwu dissertation.
The deposits are believed to have been deposited within shelf and shore zone environments where both trangressive and regressive forces are at play, a phenomenon characteristic of cretaceoustertiary phosphorites and gypsum deposits of nigeria and adjoining west african basins. Contains details on the geological units of nigeria and the associated mineral resources. Physiographically, the anambra basin can be subdivided into three main subbasins ladipo, 1986. The deeper and longer southern onitsha submarine basement feature, the nsukka high land and iii. Governor abubakar sani bello of niger state has intensified efforts in the search for hydrocarbon deposits in the bida basin to shore up the economic potentials of the state. Easily share your publications and get them in front of issuus. Subsidence, hydrocarbon generation and thermal history modelling of inland sedimentary basins chad basin in nigeria chapter pdf available january 2014 with 200 reads how we measure reads. The agbada formation is the major oilproducing formation in the niger delta complex basin, and overlies the eocene akata formation, which is the principal hydrocarbon source rock.
Geotechnical assessment of gully erosion at ankpa area, north. These include the sokotorima, kaduna, anambra, gongola, hadejia, jamaare and yobe rivers. Electrical conductivity values for all the soils are low table 8. These two subbasins are named locally as the yedseramngadda subbasin to the south and the hadejiajamaarekomadougouyobe subbasin in the north. Its application is chiefly directed towards paleoenvironmental and biostratigraphic investigations but it is also usefully. Kutigi is the major town in the area, while the surrounding villages include. Niger intensifies hydrocarbon search in bida basin daily. Geological developments in the basin in terms of basin evolution and structural features have been discussed by many authors. Geotechnical assessment of gully erosion at ankpa area. Integrated granulometric and pebble morphometric study of late cretaceous rocks of the benin flank, nigeria, were used to delineate depositional process and environment of the rocks in the study area. Heat flow studies and hydrocarbon maturation modeling in the chad basin, nigeria.
Simpson 1954, reyment 1965, hogue and ezepue 1977 and ladipo 1986 have discussed the. Tectonic extension at divergent boundaries where continental rifting is occurring can create a nascent ocean basin leading to either an ocean or the failure of the rift zone. Trace fossils from the campanian maastrichtian enugu. Sedimentology and depositional environment of the mid. Geology and mineral resources of nigeria nuhu george. Hydrocarbon generative potential of campanian source rock from ihube, anambra basin, nigeria. The main oil source formations of the anambra basin, southeastern nigeria. Nnpc, halliburton intensify oil search in inland basin the. Sedimentological attributes and stratigraphic of nanka formation, anambra basin,nigeria acra 2e. Physiographically, the anambra basin can be subdivided into three main sub basins ladipo, 1986. Evaluation of the hydrocarbon maturity level of oil well in. Thermal conductivity, porosity, lithology, well logs, geometric mean model, niger delta basin, nigeria discovery and innovation vol.
When the caco 3 calcium carbonate was rated all the soils were considered suitable for irrigation use. The two sub basins that drain into lake chad in nigeria are located in borno and yobe states, which falls within latitudes 10. Studies in proterozoic crustal evolution kankara, i. Sedimentary basins form primarily in convergent, divergent and transform settings. Nigeria is underlain by seven major sedimenta ry basins, viz. 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. The basins of these major rivers and their tributaries constitute. Between these massifs, sedimentary basins are strung out along a northeastsouthwest axis from lake chad to the niger delta, i. Distribution of sedimentary formations in the bornu basin, nigeria article pdf available in shiyou kantan yu kaifapetroleum exploration and development 425. The importance of transport facilities in rural areas can be justified from both social and. Time temperature index of bakken formation in the north dakota. The values recorded for all the soils are less than 4 mm hocm 1.
These two subbasins are named locally as the yedseramngadda subbasin to the south and the. Source rock thermal maturation of campanian enugu shale in anambra basin, southeastern nigeria was assessed by rockeval pyrolysis. Sedimentological characteristics of ajali sandstone at okigwe. Numbers indicate cretaceous and tertiary formations shown as follows. Enugu shale in anambra basin, south eastern, nigeria anozie h. Kutigi is the major town in the area, while the surrounding villages include kusogi, shebe, makufu, fazhi and ruga.
Pdf geochemical evaluation of the hydrocarbon prospects. Implications for paleoenvironmental interpretation. Oshin department of geology, obafemi awolowo university, ileife, nigeria centre for energy, research and development, obafemi awolowo university, ile. Outcrops of midmaastrichtian strata belonging to the ajali sandstone in the northern anambra. The anambra basin is situated west of the lower benue trough and is often considered youngest formation of the benue trough. Analysis of flood risk inundation hazard in birnin kebbi town. In nigeria, the dominant type of basement rock intersected by wells drilled for hydrocarbons, limestone, or water is granite. Thus, among the sedimentary basins in nigeria, aggressive exploration has been concentrated in the niger delta basin.
The prospectivity of the transform margin which includes ghana has been established. Odumodu cfr, mode aw 2017 trace fossils from the campanian maastrichtian enugu formation of the anambra basin, southeastern nigeria. Granulometric analysis reveals that the sandstones of the lokoja bassange formation have an average graphic mean mz of 0. Convergent boundaries create foreland basins through tectonic compression of oceanic and continental crust during lithospheric flexure. Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online.
Half of nigeria s land is composed of three main basement complexes located in the west, the northwest and the southeast. Geospatial analysis of morphometric characteristics of river. Analysis of flood risk inundation hazard in birnin kebbi. The shallow and smaller ankpa subbasin to the north, which is separated from ii. Evidence from field relationship and sedimentological study adeigbe, o. Sedimentary basins of northern nigeria comprise the middle and upper benue trough, the southeastern sector of the. The area is a segment of the northern anambra basin. Geochemical evaluation of the hydrocarbon prospects of sedimentary basins in northern nigeria. To alleviate the problem of moisture stress during the prolonged gaps between rains as well as in the dry season, supplementary irrigation is provided by lifting the water from perennial surface. The intracratonic bida basin nupe or middle niger basin is one of the inland sedimentary basins of nigeria 1, located roughly at the mid. Geologically, nigeria comprises crystalline basement rocks and sedimentary basins, almost in equal proportions. Sedimentological characteristics of ajali sandstone at.
Sedimentology and sequence stratigraphy of the nkporo. There are well known oil and gas productions from this area for example, the espoir, lionpanthere, foxtrot and baobab fields, all in cote divoire. Babatunde 2, and liao yuhong 3 1energy and environmental research group, dept of geology, university of ibadan, ibadan, nigeria. Hawul basin is one of the prominent river basins in north eastern part of nigeria. Department of geology, university of nigeria, nsukka, nigeria 2department of physics, university of port harcourt, port harcourt, nigeria abstract data from sixteen deep wells drilled for oil exploration purposes in the anambra basin of southeastern nigeria indicate large variations in temperature gradients and heat flow within the basin. The study area is located in kogi state, north central nigeria and it lies within latitudes 7 06 00n to 7 21 00 n and longitudes 6 43 00 e to 6 58 00e. Petrophysical evaluation of reservoir sand bodies is the continuing process of integrating and interpreting geological, geophysical, petrophysical, fluid and performance data to form a unified, consistent description of reservoir properties throughout the field. Benefits and river basin development planning and management ezenweani raymond sunday. Nnpc, halliburton intensify oil search in inland basin.
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. A comprehensive collation of river basins in nigeria. Sedimentary basins and petroleum geology of the middle east. Jul 19, 2017 the nigerian national petroleum corporation nnpc and halliburton corporation have reached an agreement that will speed up oil discovery in the inland sedimentary basins. The main oil source formations of the anambra basin. Oil seepages have also been reported from parts of the basin. Analysis of flood risk inundation hazard in birnin kebbi town, kebbi state, nigeria mohammed nanoh bello and david n. Heavy minerals and geochemical characteristics of sandstones as indices of provenance and source area tectonics of the ogwashiasaba formation, niger delta basin authors.
River basin is defined as an area of land drained by a river and its tributaries. Evaluation of the hydrocarbon potential of the inland basins of nigeria. Subject to section 6 of the interpretation act, the river basins development authori ties act 1979 is hereby repealed and the assets and liabilities of any authority established under the said act are hereby transferred respectively to the authority exercising func tions under this act in the area of operation of that authority. The geology of nigeria as described by obaje 1, comprises of three litho petrological. Pdf distribution of sedimentary formations in the bornu. P4and itiowe k5 1,5department of geology, university of port harcourt, port harcourt, nigeria 2 dept. Pdf an overview of the geology and hydrogeology of nigeria. The three sedimentary basins in nigeria are underlain by continental crust except in the niger delta, where the basement rock is interpreted to be oceanic crust. Various formula were adopted to obtain some of the major morphometric characteristics of the. A2 accepted 14 september, 2015 1department of geography and regional planning, federal university dutsinma, katsina state, nigeria. In this paper, quantitative techniques which solely involved the use of formula and geospatial techniques gis applications were used to examine the morphometric characteristics linear, aerial and relief of the basin. Sokotorima basin northwest nigeria still show that nitrate concentrations are ele vated and attributable to excessiv e application and leaching of nitrogen fertilizers graham et al. The data also indicated that the sediments are low in the concentration of the radioactive element potassium, normal in thorium and. Jeb international journal of geomatics and geosciences volume 5 issue 1, 2014 122 2.
Waec gce past questions and answers free download pdf all. North dakota geological survey, geologic investigation, no. The main oil source formations of the anambra basin, southeastern nigeria olugbenga a. Subsurface evaluation of source rock and hydrocarbon potential of the anambra basin, south eastern nigeria pdf. Heavy mineral distribution in the lokoja and patti formations.
The geotechnical properties of clay occurrences around kutigi. The northwest southeastern trending bida basin forms one of the major inland sedimentary basins in nigeria. Provisional dating of metasedimentary rocks in south katsina state, northwestern nigeria. Drainage basin morphology and terrain analysis of the. Part 3 takes the mineral resources of nigeria one on one, their geological environment, mode of occurrence, localities.
Part 1 discusses the geology of the crystalline rocks and their regional distribution while the sedimentary basins constitute the subject of part 2. Geospatial analysis of morphometric characteristics of. Sedimentological attributes and stratigraphic of nanka formation, anambra basin, nigeria acra 2e. The lower benue trough is part of the benue trough of nigeria and it consists of a series of rift basins which form a part of the central west african rift system of the niger, chad, cameroon and sudan basement fragmentations. Sedimentary succes sions in these basins are of middle mesozoic to recent age. Geochemical evaluation of the hydrocarbon prospects of terrapub. Farming on the river basins depends on rains in the wet season rice cultivation and residual soil moisture in the dry season horticultural crops. It is a shallow, linear depression with sedimentary fill of about 3,000 m thick udensi and osazuwa, 2004. The nigerian national oil company is actively exploring for hydrocarbon in all its inland basins that developed along the western african rift. Provisional dating of metasedimentary rocks in south. A faulted basement high, the okitipupa basement ridge separated the dahomey embayment from the benue trough until the late cretaceous subsidence and. Crustal structure of southern benue trough, nigeria from 3d. Sedimentology and sequence stratigraphy of the nkporo group.
Basement geology in the sedimentary basins of nigeria. Sedimentary basins and petroleum geology of the middle east nairn, a. Sedimentary basins and petroleum geology of the middle. Anambra basin is one of the energyrich inland sedimentary basins in nigeria. The presence of libycoceras dandense howarth in marine facies of the nkporo shale about 35 m below the nkporomamu contact in the lokpaukwuleru section demonstrates that in this area the. Half of nigerias land is composed of three main basement complexes located in the west, the northwest and the southeast. Much has been done in the anambra basin of nigeria. The geology of nigeria as described by obaje 1, comprises of three lithopetrological. Sedimentology and depositional environments of the. The nigerian national petroleum corporation nnpc and halliburton corporation have reached an agreement that will speed up oil discovery in the inland sedimentary basins.
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