Sedimentary succes sions in these basins are of middle mesozoic to recent age. Geology and mineral resources of nigeria springerlink. The anambra basin is situated west of the lower benue trough and is often considered youngest formation of the benue trough. Some well known sedimentary basins include the great artesian basin, the murray basin and the officer basin.
Download a pdf of the dynamics of sedimentary basins by the national research council for free. Over geologic time, depressions on earths surface are filled with sediments and organic materials that have been transported by wind, rivers, and ocean currents. Sedimentary basins and petroleum geology of the middle. A good example is the western canada sedimentary basin extending from the eastern side of the rocky mountains to central manitoba. However, many geologie processes are complex and result from the interaction of many, seemingly unrelated, individual factors. Hydrocarbon potential of nigerias inland basin iosr journal.
Pdf estimation of sedimentary thickness using spectral. Earth systems history on ecampus sedimentary rocks intro origin of sedimentary rocks clastic rocks carbonate sedimentary rocks interpreting sedimentary rocks environment of. It is a preliminary stage process aiming to give additional information for the beginning of a stratigraphic harmonization project concerning sedimentary basins of the. For a better understanding of the geological history of the sedimentary basins within and. Nigerias under explored and poorly understood frontier basins include the nigeria, chad, bida, dahomey, sokoto, and benue basins. A technical paper on sedimentary basins of india submitted by. The structure of the goulfeytourba sedimentary basin. Known as sedimentary basins, these features come in many shapes and sizes.
The lokoja formation is the oldest stratigraphic sequence in the southern bida basin and unconformably overlies the precambrian basement complex. Pdf sedimentary basins and petroleum geology of the middle east download full ebook. The present study examines the stratigraphic succession of benin and western nigeria offshore basins and attempts to compare these stratigraphic nomenclatures. Pdf the structure of the goulfeytourba sedimentary basin chad. P4and itiowe k5 1,5department of geology, university of port harcourt, port harcourt, nigeria 2 dept.
Executive summary the dynamics of sedimentary basins. Department of geology, university of nigeria, nsukka with registration number. The sedimentary environment is the specific depositional setting of a particular sedimentary rock and is unique in terms of physical, chemical, and biological characteristics. Sedimentary rocks and sedimentary basins reading stanley, s. Cratonic basins convergence related basins strikeslip basins. Sedimentary rock sedimentary environments britannica. Sc geology department, delta state university, pmb 1, abraka, delta state, nigeria. John originally published in 1984, this gis map represents the sedimentary provincesbasins of the world as digitized polygons with associated attributes in an arcgis shapefile. Nigeria is underlain by seven major sedimenta ry basins, viz. Both are extensional basins bounded by ns striking faults which are assumed to be younger features that crosscut older ne and nw striking faults of the area.
Umunya section, niger delta basin, nigeria adaeze i. The stratigraphic harmonization of african sedimentary. Following on from the first 2 books in the series, sedimentary basins of the world, which covered chinese sedimentary basins volume 1 and south pacific sedimentary basins volume 2, comes volume 3, on african basins. Establishment of river basins development authorities. The difficulties associated with the demarcation of anambra basin s geographic boundaries from other adjoining nigerian coastal basins have been linked to the inability of researchers to clearly define the dispersal patterns of the anambra basin s sedimentary fills2.
Part 1 discusses the geology of the crystalline rocks and their regional distribution while the sedimentary basins constitute the subject of part 2. The sedimentary basins of india, onland and offshore up to the 200m isobath, have an areal extent of about 1. Part 3 presents the mineral resources of nigeria, their geological environment, mode of occurrence, localities and where possible their estimated reserves. During the cenozoic, until the middle miocene, the niger delta grew through pulses of sedimentation over an oceanwarddipping continental basement into the gulf of guinea. Part 3 takes the mineral resources of nigeria one on one, their geological environment, mode of occurrence, localities. Subsidence along a passive margin, mostly due to longterm accumulation of sediments on the. The modern marine sedimentary basins of the world s ocean basins can be subdivided into continental shelves, slopes, rises, abyssal plains, and.
Sedimentary basins are an important source of groundwater within australia. Nnpc, halliburton intensify oil search in inland basin. Canadian border, into which large volumes of clastic sediment that is, sediment of predominantly clay, silt, and sand sizes were deposited. They are pervasive on earth and form in response to complex geologic processes. Specifically, it intends to create a harmonized regional stratigraphic framework for the key producing sedimentary basins onshore and offshore subsaharan africa and normalize the correlation and nomenclatures of the stratigraphic units within the key basins in africa.
The first step in t he data reduction process was to merge the two. Contents part i types of sedimentary basins l 1 basin classification and depositional environments 3 1. It seems that these two relative gravity highs would merge towards the middle part. Many such basins contain extensive multilayered aquifer systems consisting of permeable sediments laid down at various times in the past. The primary source of information on seeps and older pre1959 wells was the report of miller and others 1959. Geology and mineral resources of nigeria nuhu george. From th e albian to santoni an, the d epositional centre was. Evaluation of the hydrocarbon potential of the inland basins of nigeria. Sedimentary basins form primarily in convergent, divergent and transform settings. Relationships to sequence stratigraphy and its implications for hydrocarbon exploration in the niger delta, nigeria. The structure of the goulfeytourba sedimentary basin chadcameroon. Sedimentary basins range in size from as small as hundreds of meters to large parts of ocean. Sedimentary basins and selected geologic features of regional importance were taken from the map of kirschner 1988, with minor modifications in some cases. The nigerian national petroleum corporation nnpc and halliburton corporation have reached an agreement that will speed up oil discovery in the inland sedimentary basins.
It consists of basal conglomerate, subrounded to well rounded quartz, feldspar, pebbles and cobbles, especially at the sedimentbasement contact. Sedimentary basins in india india has 26 sedimentary basins covering an area of 3. Sedimentological attributes and stratigraphic of nanka formation, anambra basin,nigeria acra 2e. However, due to transit disruptions in some geographies, deliveries may be. The southern rift basins the omo and chew bahir basins lie within the broadly rifted zone of the southern ethiopia bordering northern kenya.
Other articles where sedimentary basin is discussed. The downdropped basin formed during rifting because of stretching and thinning of the continental crust. African basins, volume 3 sedimentary basins of the world. In the deepwater beyond the 200m isobath, the sedimentary area has been estimated to be about 1. They are pervasive on earth and form in response to complex. Source rock evaluation in the lake chad area of the bornu basin.
Map and digital database of sedimentary basins and. The nigerian inland basins have not seen any drilling activities since. Convergent boundaries create foreland basins through tectonic compression of oceanic and continental crust during lithospheric flexure. Stratigraphy and sedimentology of the niger delta in. Such sediments would have been derived by erosion of high plateaus. Africa covers a larger land area than the usa, europe, india and. The project is designed to cover the following three zones.
Palynofacies studies of sedimentary succession in ogbabu1 well was carried out on ninety 90 ditch cutting samples retrieved from ogbabu1 well in anambra basin, lower benue trough, nigeria with the aim of giving a detailed palynofacies study of the ogbabu1 well, anambra basin using sedimentology and palynology as geologic tools. Pdf analysis of petroleum system for exploration and. The study area comprises, in its northwestern and centralwestern limits, a small sector of the bornutermit trough system. Sedimentary basins and petroleum geology of the middle east covid19 update. Africa covers a larger land area than the usa, europe, india and the asean nations put together. Analysis of petroleum system for exploration and risk reduction in the southeastern inland basins of nigeria article pdf available in petroleum and coal 602 march 2018 with 1,175 reads. A revised stratigraphy of the bida basin, nigeria request pdf. Introduction the bida basin, also known as the midniger. Heavy minerals and geochemical characteristics of sandstones as indices of provenance and source area tectonics of the ogwashiasaba formation, niger delta basin. Intracratonic basins form within stable continental interiors.
Morphologically, the study area constitutes a sedimentary plain fig. 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. Sedimentary rock sedimentary rock sedimentary environments. Historical water resources use, from sustenance to commerce, has influ. Contains details on the geological units of nigeria and the associated mineral resources. The structure of the goulfeytourba sedimentary basin chad.
The physical features of a sedimentary environment include water depth and the velocity and persistence of currents. The tectonic and geologic history of nigerian sedimentary basins including the anambra basin followed the breakup of the south american and african continents in the early cretaceous 12. Characterization of the upper cretaceous sediments in the. Unlike other sedimentary basins in nigeria, it is characterized by the absence of volcanics, carbonates and rocks of tertiary age. The stratigraphic history of the region has been well documented 12. Sedimentary basins of ethiopia geology of ethiopia. They have their origins in the multiphased rift systems that were formed during the breakup of gondwanaland in early cretaceous time. Pdf download sedimentary basins and petroleum geology of. Life on earth is made possible by the atmosphere and hydrosphere which were produced and continue to be sourced primarily by the degassing of the mantle through volcanism and other phenomena that are a direct consequence of plate tectonics. In cameroon, there are two main types of sedimentary basins, which belong to three active african petroleum systems, namely, niger delta. Palynofacies studies of sedimentary succession in ogbabu1.