It is located at the southernmost extremity of the elongated intracontinental benue trough. Abstract based on a dense 2d seismic reflection dataset and information from 8 exploration wells, we reinterpreted the stratigraphic evolution of the colorado basin. The benue trough was formed by rifting of the central west african basement, beginning at the start of the cretaceous period. It has traditionally been described as the region south of the rio colorado, although the physiographic border has more recently been moved southward to the huincul fault. Agagu and adhigije 31 also reported a division of the anambra basin into southern onitsha basin and circular northern ankpa basin separated by the nwse trending nsukka high. Implications for provenance, source area weathering, paleooxidation and paleotectonic setting, journal of asian earth sciences 173 apr 2019. The tectonic evolution of the area involved a conversion of the crest of this peninsular ridge into the axis of a negative basin. Tectonic evolution and hydrocarbon distribution of basins in.
The tectonic evolution of this area caused the collapse of this arch as a negative feature, where the early ordovician sea transgressed, producing a flattened coastal plain adams, 1965. Nwachukwu skip to main content accessibility help we use cookies to distinguish you from other users and to provide you with a better experience on our websites. Tectonic evolution of some important basins in nigeria after evamy et al, 1978. Tectonic evolution of the pamir recorded in the western. A scheme for the evolution of the easternmost panama basin is desbribed, based largely on the interpretation of magnetic data from the area, the most recent of which was collected aboard rrs charles darwin in july 1989. These studies have consistently shown that the anambra platform was dislocated into an eastwest dipping regional slope on the western flank of the abakaliki anticlinorium after the santonian uplift of the benue trough. A previously unknown extinct oceanic spreading center the buenaventura rift, with an extinction date of about 12 ma, has been identified passing beneath the colombian. The tectonic evolution, structures, sedimentation and stratigraphy of the anambra basin have been described by. This tectonic interpretation of basin dynamics in peru is the result of a very brief two month contract that was intended only to establish the framework of basin evolution upon which other explorationprospect related work could be based. Moreover, it experienced an oblique, partially strikeslip component of movement that is unlike orthogonal detachment faults steely et al. The third tectonic phase occurred towards the end of the eocene as a result of a major earth movement which caused another structural inversion that raised the anambra basin and. Petroleum exploration in the anambra basin was triggered by the. Tectonic and geologic evolution of syria geoarabia.
The geochemistry, provenance, tectonic setting, paleoclimate and depositional paleoenvironment of maastrichtian clastic sedimentary rocks from the western flank of cretaceoustertiary intracratonic anambra basin, nigeria ha ve been studied through major and trace element geochemical analysis. Pdf petroleum potentials of the nigerian benue trough and. Evaluating the impact of hydrodynamic flow on the hydrocarbon. Niger delta basin regional setting the niger delta is located in the gulf of guinea on the west coast of africa. The tectonic evolution of this area caused the collapse of this arch as a negative feature, where the early ordovician sea transgressed, producing a flattened coastal plain adams, 1965 the tectonic evolution of the area involved a conversion of the crest of this peninsular ridge into the axis of a negative basin. The anambra basin in the west of the lower region is more recent than the rest of the trough, being formed during a later period of compression, but is considered part of the formation. An overview of the structure and tectonic evolution of the gulf coast region of texas and louisiana g. Olade skip to main content accessibility help we use cookies to distinguish you from other users and to provide you with a better experience on our websites. Tectonic evolution of the easternmost panama basin. The nw sabah continental margin in the northern part ofnw borneo, consists of 2 main elements. These studies have consistently shown that the anambra platform was dislocated into an eastwest dipping. Its northern margin transects several older cretaceous tectonic elements i. Several works have been carried out within the anambra basin, however. Based on the results of nbcp, any potential coring target must satisfy the following requirements.
Insights from sedimentary facies analysis ogbahon, a. The importance of the benue rift in the evolution of atlantic megatectonic region led to the proposal of numerous tectonics models for it origin and evolution. Tectonic evolution and sedimentation of sabah, north borneo. The stratigraphic history of the southern nigeria has been. Tectonic evolution of the anadarko basin region, oklahoma. Naing htun lin, yinghai guo, shwe nan wai, landry soh tamehe, zhiyong wu, nyan min naing, jingxia zhang sedimentology and geochemistry of middle eocenelower oligocene sandstones from the western salin sub basin, the central myanmar basin. The main tectonic elements of sabah are a major foldthrust belt trending northeast in the west nw borneo trend and bending to the east and southeast towards the north and eastern part sulu trend of sabah. Ten 10 representatives outcrop samples collected from two stratigraphic sections in the study area. An overview of the structure and tectonic evolution of the. Department of applied geology, federal university of technology, akure, nigeria abstract this paper presents one of the most detailed facies analysis of the siliciclastic rocks on the western flank of anambra basin, southwestern.
Pdf tectonic evolution of the colorado basin, offshore. Within the realm of tectonics and basin evolution, our breakout group identified three important issues related to rift basin development and the breakup of the pangean supercontinent. The tectonic evolution of the the southern portion of the benue trough, nigeria volume 109 issue 5 s. Hydrocarbon generative potential of campanian source rock. May 12, 2009 the evolution of this area is still far from resolved and makes sabah an interesting site for geological investigations. This is a pdf file of an unedited manuscript that has been accepted for publication. Tectonic evolution of the nw sabah continental margin. Tectonic evolution and sedimentation of sabah, north. Seismictowell log correlations provide a chronostratigraphic framework for the. The study area lies within the anambra basin and it is made up of enugu shale. Regional geology, basin forming tectonics and basin fills of. Geochemistry of maastrichtian clastic sedimentary rocks. Tectonic process of the sedimentary basin formation and.
After the evolution of the benue trough, sediments started depositing into the. The results demonstrate a general northeast to southwest flow, with regions of relatively high topographic. Pdf geology and depositional environment of campano. Department of earth sciences, university of oxford, parks road, oxford ox1 3pr, uk. The tectonic evolution of the the southern portion of the. The african plate mainly experienced three tectonic evolution stages during phanerozoic, during which the forming, drifting and breaking up of the gondwanaland led to the development of several types of african basins. This study was conducted over the mui basin which is located in the south eastern parts of kenya. During much of its phanerozoic history, nigeria lay in the central part of the gondwana portion of the pangean super continent and remained a positive subject to denudation. As a part of an ongoing study of the evolution of the nigerian coal basins and the burial. Russ 1930, adeleye 1974, whiteman 1982, braide 1992, idowu and enu 1992, akande et al. The structural evolution of the anambra basin has been described by ojoh 1988, popoff 1990, binks and fairhead 1992, obi et al. Sedimentologic and magnetostratigraphic analyses of the aertashi section tamsin blayney1, guillaume dupont. Sedimentology and sequence stratigraphy of the nkporo. Geological map of the anambra basin showing location of study area from nton.
The tectonic evolution of the south china basin taylor. Jan 01, 2004 previous studies that have modeled the tectonic evolution of the anambra basin have preferred upliftflexural subsidence as the major control on development of unconformities in the anambra basin agagu et al. The alboran sea is an extensional basin of neogene age that is surrounded by highly arcuate thrust belts. Based on our basin study of tectonic evolution and prototype and petroleum geological analysis, the structural. The anambra basin is a larger intracontinental basin that forms an arm of the lower benue trough obaje et al. Phanerozoic basin fill ranges in thickness from 56 km on the margin to more than 15 km in the central part of the basin a variety of potential, structural and stratigraphic traps were formed in the levant basin during the three main tectonic stages. The tectonic evolution, structures, sedimentation and stratigraphy of the anambra basin have been described by 4, 6, 11, 2938 and others. Biostratigraphy and paleoenvironment of the coniacian awgu. A revised stratigraphy of the bida basin, nigeria sciencedirect.
The origin and tectonic history of the benue trough. Sedimentary response to tectonism in the campanian. This was accompanied by the initiation and evolution of the southern atlantic rift system which led to the opening of the south atlantic ocean. Tectonic evolution of the contaya arch, ucayali basin, peru.
As a result of these tectonic events, the axes of the main a close study of the various basins and sub basins were displaced, giving rise to three basins basins of the nigerian continental margin reveals such as. Thus, movement of blocks bounded by nesw and nwse trending fault preceded the subsidence of the oligocene younger niger delta along the nwse fault trend see figure 2. To the west, it is separated from the dahomey or benin basin by the okitipupa basement high and to the east it is bounded by a cameroon volcanic line. Tectonic evolution of mui basin and the depositional sequence. Sequence stratigraphy and palynological analysis of late. Tectonic evolution of the west florida basin, eastern gulf of mexico by andrea christine gregg delores m. Structural style and tectonic evolution of the northern maverick basin a thesis by m.
The successful newark basin coring project nbcp has demonstrated that it is possible to extract information on basin evolution and tectonics from core data see section 3. The extension led to formation of faultbounded basins, including the canadon asfalto basin 6 and rocas verdes basin. Postdeformational sedimentation in the lower benue trough, therefore constitutes the anambra basin. Oct 15, 2020 basins are classified according to primary platetectonic controls on basin evolution. The result of the geochemical analysis of shale samples from the anambra basin shows that the toc values are. The origin of the anambra basin is intimately related to the development of the benue rift. The goal of this paper was to synthesize the tectonic evolution of the entire country by integrating our previous interpretations with new regional structural maps, and incorporating significant additional lithostratigraphic knowledge. Tectonic map of south eastern nigeria showing anambra basin during the.
Biostratigraphy and palaeoenvironment of deposition of nsukka. The basin is located on the continental shelf and slope within 50 to 2250 m of bathymetry. Depositional environment of siliciclastic deposits on the. Petroleum potentials of the nigerian benue trough and anambra. The trough is arbitrarily divided into lower, middle and upper regions, and the upper region is further divided into the gongola and yola arms. Download pdf international journal of advanced research. Petroleum exploration in the anambra basin was triggered by the occurrence of surface seeps and dates back to the early. Pliocene ogwasiasaba sediment in umuna1 well, anambra basin, southeastern nigeria. Multichannel seismic mcs reflection profile data suggest the basin has a complex tectonic f. Oil generation capacity of maastrichtian coals from the anambra. The stratigraphic succession of each region was established and correlated across the basin and to the adjoining anambra basin.
Requirements for basin evolution and tectonic studies. Patagonia comprises the southernmost region of south america, portions of which lie either side of the chileargentina border. Tectonic evolution of the anadarko basin region, oklahoma by william j. Arkoma ouachita basin orogen the tectonic evolution in eastern oklahoma and western arkansas modi. Tectonic evolution of the pamir recorded in the western tarim. Previous studies that have modeled the tectonic evolution of the anambra basin have preferred upliftflexural subsidence as the major control on development of unconformities in the anambra basin agagu et al. The anambra basin is a roughly triangular basin containing more than 5 km thick of sediments of varied lithologies. The tectonic evolution of the sedimentary basins of southeastern. Tectonic evolution of the alboran sea basin watts 1993. From the plate tectonic point of view, the central japan acts as a multiple junction area unique in the earth where four pieces of plates, such as the amur, the okhotsk, the philippine sea, tectonic process of the sedimentary basin formation and evolution in the. Trough has somewhat developed different tectonic history leading to the formation of anambra basin to the west and abakaliki anticlinorium to.
Introduction 50 51 in recent years, numerous studies have addressed the tectonicstratigraphic 52 evolution of the rift basin, focusing on the influence of the tectonic on basin geometry. Few regions of the world have had as varied a tectonic history as the great basin, and its geologic complexity challenges interpretations of. Geochemistry of maastrichtian clastic sedimentary rocks from. Sedimentation in the anambra basin thus commenced with the campanianmaastrichtian marine and paralic shales of the enugu formation and constitutes its lateral equivalents in most places obaje, 2009. The anambra basin is a mesozoiccenozoic petroliferous and coalbearing basin located within the southern benue trough which evolution is related to the opening of the gulf of guinea and the separation of african and south american plates sequel to the breakup of gwandana supercontinent during late jurassic to early cretaceous times. The origin of the basin is generally believed to be linked to the santonian tectonics of the abakalikibenue basin, during which an ns compression between. Oct 23, 2019 fluid pressure data from wells drilled in the anambra basin were analysed in order to characterize the regional groundwater dynamics in the cretaceous formations and to evaluate the possible impact of the hydrodynamic flow of groundwater on the hydrocarbon prospectivity of the basin. Petroleum potentials of the nigerian benue trough and. Tectonic evolution of the nw sabah continental margin since the late eocene denis n.
The tectonic, stratigraphic and organic geochemical evaluations of these basins suggest the similarity with the contiguous basins of chad and niger republics and sudan, where commercial oil discovery have been made. Stratigraphy, tectonics, and basin evolution in the anza. After outlining the tectonic setting of the area, we provide a brief summary of previous work. Geology and tectonic evolution of the palaeoproterozoic bryah, padbury and yerrida basins formerly glengarry basin, western australia. Tectonic evolution of the nw sabah continental margin since. Sedimentology and sequence stratigraphy of the nkporo group. Basin framework and basement structuring of lower benue. Tectonic evolution and hydrocarbon distribution of basins. The structural evolution of the anambra basin has been described by ojoh. The tectonic evolution of the southern portion of the benue trough, nigeria.
The study area lies within the anambra basin and it is made up of enugu shale, mamu formation, ajali sandstone, and nsukka formation. Noel proust2, niels meijer3, pierrick roperch2, edward r. Anambra river1, ihadagu1 and very scanty 2d seismic information, anambra basin is under explored. These and other aspects of faulting and basin evolution in the salton trough are the subject of ongoing. Geological map of anambra basin showing the area of study modified after nwajide and reijers 1996. Tectonic evolution of mui basin and the depositional. Tectonic evolution of the sichuan basin, southwest china. The geologic evolution of southern nigeria sedimentary basins was controlled by three. Biostratigraphy and paleoenvironment of the coniacian. It focuses on the tectonic evolution and depositional history of the basin. A multidisciplinary approach to research studies of sedimentary rocks and their constituents and the evolution of sedimentary basins, both ancient and modern u.
Research article depositional environment of siliciclastic. This study aimed at determining the geology and depositional. Maastrichtian sediments in the uppercretaceous, anambra basin. Pdf geology and tectonic evolution of the palaeoproterozoic. Introduction the margins basin features new data china margin and reed bank subduction at the palawan trough conclusions the tectonic evolution of the south china basin taylor 1980 geophysical monograph series wiley online library. Paleoecology of enugu and mamu formations in anambra basin. Tectonic evolution of the pamir recorded in the western tarim basin china. Transcontinental arch extended across southeastern new mexico and west texas. Pdf petroleum potentials of the nigerian benue trough. The tectonic evolution of nigerias benue trough has recently been the focus of investigations, especially in relation to continental drift and opening of the south atlantic ocean during cretaceous times. The importance of the benue rift in the evolution of atlantic mega tectonic region led to the proposal of numerous tectonics models for it origin and evolution. Tectonostratigraphic evolution of the upper jurassic. One of the motivating factors for the choice of this basin is the recently discovery of coal deposits reserves of well into millions of metric tons within the basin. Aspects of hydrocarbon potential of the tertiary imo shale.
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