The assessment of potential source rocks of maastrichtian araromi. Jelsma encyclopedia of life support systems eolss the worldwide 1. Apr 19, 20 research paper postgraduate from the year 1998 in the subject geography earth science geology, mineralogy, soil science, grade. Regional map of four countries showing the location of the benin dahomey basin in the gulf of guinea modified from brownfield and chapentier, 2006. The basin is bounded to the south by the niger delta basin hinge line. A maximum thickness of about 12,000 m of sedimentary rocks is attained in the offshore western niger delta, but maximum thicknesses of sedimentary rocks are about 2,000 m in the chad basin and only 500 m in the sokoto embayment. The shale thickness, which measures approximately 15m and overlies the ewekoro formation is separated by a very thin bed of glauconite. Pdf aquifer vulnerability assessment of the dahomey basin. Lateral variation in magnetic susceptibility and remanence give rise to spatial variations in the magnetic field it is expressed in so called magnetic anomalies, i. Geology and petroleum systems of the offshore benin basin benin c.
However, the sedimentary successions in these basins are broadly divisible into. Exploration activities have intensified in the tano basin following the discovery of oil and gas in commercial quantities at the jubilee fields. The analogue accraketa basin is still under explored but found to be highly prospective. These cauldronfree areas offer the most favorable prospects for petroleum. Petrographic studies and paleoenvironmental reconstruction of.
Aapg datapages and the gis publications committee wish to thank robertson a cgg company for allowing the robertson sedimentary basins of the world map to be posted on datapages gis open files page, thereby making it available to the public as a free download. Geology and offshore mineral resources of the central pacific basin download geology and offshore mineral resources of the central pacific basin ebook pdf or read online books in pdf, epub, and mobi format. The basin stretches along the coast of nigeria, benin republic, togo and ghana along the margin of the gulf of guinea. The anambra basin is situated west of the lower benue trough and is often considered youngest formation of the benue trough. Proceedings of the eighth biennial sga meeting beijing, china, 1821 august 2005 pp. Central atlantic margin basins of north west africa. The analysis of the sedimentary fills in a basin provides clues to the conditions prevalent during its evolutions.
Hydrocarbon potential assessment of the maastrichtian araromi shales in the dahomey basin, southwestern nigeria. Quantification of free gas in the kumano fore basin detected. Ondo and edo states, mosunmolu ltd, lagos, nigeria, pp. Ifonyintedo, dahomey basin, radiogenic heat production, coastal plain sands. The geology of nigeria is made up of three major lithopetrological components, namely, the basement complex, younger granites, and sedimentary basins. Siliciclastic slope deposits from the cretaceous abeokuta. Freely browse and use ocw materials at your own pace. Sedimentary basins range in size from as small as hundreds of. Pdf geology and petroleum systems of the offshore benin. Onlineopen is available to authors who wish to make their article open access, free to read, download. Geochemical and organic petrological study of bituminous. Free geology books download ebooks online textbooks. The basement complex, which is precambrian in age, is made up of the. An igneous rock that has a relatively high silica content.
The main problems in the exploration of the nigerian portion of the dahomey basin include lack of drilling density, especially in the poorly mapped coastal area, and difficulty of acquisition of marine data in the shallowwater area of the gulf of guinea culdesac. Research, abubakar tafawa balewa university geology programme, course. This paper presents the theory and application of rainfall and travel time rtt vulnerability method. Amelina 0 0 beninese company of hydrocarbon cbh 01 bp 8060 cotonou, benin 1 university of abomeycalavi, 01 bp 526 cotonou, benin geology and petroleum systems of the offshore benin basin benin this paper. Pectographic study of carbonate sediments around yewa river. Mar 01, 2008 interpretation of a grid of high resolution seismic profiles from the offshore eastern part of the benin dahomey basin in southwestern nigeria area permitted the identification of cyclic events of cut and fill associated with the avon canyon. Members of the pesgb, the international association of sedimentologists and the geological society of london can enjoy jpg at a discounted rate. River basin, formed work teams to evaluate the effects of depletions on streamflows in the missouri river. This group is the thickest sedimentary unit within the basin. Biostratigraphic studies of x and x boreholes,xformation.
Aquifer vulnerability assessment of the dahomey basin using the rtt method. It is separated from the niger delta by a subsurface basement high referred to as the okitipupa ridge. The dahomey benin embayment is part of a system of west african peri cratonic margin sag basin 14, covering much of the continental. Robertson basins and plays tellus sedimentary basins. This study employed electrical resistivity tomography ert in characterising the shallow groundwater aquifers of eastern dahomey basin in southwestern nigeria to assess the possible occurrence and distribution of saltwater within the aquifers. Petrogeologist study geology to find mine, coal, or oil deposit. This study, completed basin in 1982, was initiated by the missouri river basin commission, later to be known as the missouri basin states association mbsa. Preliminary investigation of the rare earth element ree. These data are for making a major basin based mapbook series. Review of geology, geochemistry and origin of gypsum. Download regional geology and tectonics of the abu gharadig basin and its extension western desert egypt ebook pdf or read online books in pdf, epub, and mobi format. The pannonian basin province consists of a large compound extensional basin of neogene age overlying paleogene. Geological survey openfile report 96108 prepared in cooperation with the bureau of reclamation bismarck, north dakota 1996.
Broadhead, new mexico bureau of geology and mineral resources, a division of new mexico institute of mining and technology introduction the oil and natural gas that are produced from oil and gas fields reside in porous. Protec ng natural habitat tribasin nrd works with district landowners to enroll their center pivot corners in conservation programs, in which they plant the corners to native grass and grow wild game birds, like pheasant and quail. Used in reference to a basaltic lava that occurs in flows with a fissured, rough and jagged surface. Low vulnerability areas of the basin are characterised by thick vadose zones, low precipitation. Most of the wells that penetrated the basement are in the eastern dahomey embayment of western nigeria.
Download fulltext pdf chapter from book mineral deposit research. Geology of nigeria by kogbe pdf the gboko limestone, yandev, benue state, nigeria. Acrobat pdf map plate 1 and other digital formats that can be downloaded. Part 1 discusses the geology of the crystalline rocks and their regional distribution while the sedimentary basins constitute the subject of part 2. Lecture notes and slides introduction to geology earth. The studied xformation is one of the paleocene strata bearing marine macrofossils. Geology is an interesting subject in knowing history of earth creation, creature evolution, ancient earth life and earth condition in the past. Subsidence patterns in the nigerian sector of benin dahomey basin. The dahomey basin is an extensive sedimentary basin, in the gulf of guinea which extends from southeastern ghana through togo and benin.
This is an arcuate coastal basin, the onshore parts of which underlie the coastal plains of southwest nigeria, benin and togo. Palynology and paleoenvironments of the upper araromi. This is a list of free and opensource software for geological data handling and interpretation. Feb 23, 20 chemistry and materials research issn 2224 3224 print issn 2225 0956 online vol 2, no. The nigerian part shows both the cretaceous and tertiary rocks. Younger sedimentary sequences outcrop on the edges of the lake district area, with silurian to the south, carboniferous to the north, east and west and permotriassic to the west and east. The study area is located within the eastern part of dahomey basin between latitude 6o 40n to 6o 55n and longitude 3o 47n to 4o 19n accessible by major roads fig 1.
It is subdivided into three formations, namely, from the oldest to the youngest. Seismic stratigraphic analysis was carried out to evaluate the canyon morphology, origin and evolution. The boreholes were drilled in the central part of the xformation, dahomey basin and was drilled up to the depth of 70ft. Stratigraphy of western nigeria offshore basin the stratigraphy of the eastern dahomey basin has been studied and discussed by various authors 1 11 14 20. Shales belonging to the oshosun formation exposed at the sagamu quarry of the west african portland cement have been mapped and assessed for their abundances in rare earth elements ree. The dahomey basin is a combination of inlandcoastal offshore basin that stretches from southeastern ghana through. Geology and mineral resources of the lower benue trough, nigeria. Geochemistry geophysics geosystems g 3 doan et al free gas in the kumano fore. It is often below sea level geological basins are one of the two most common places inland which collect sediment the other is lakes.
The type of rocks which form there tell about the palaeoclimate of the continent. Download now for free pdf ebook sedimentary basins and petroleum geology of the middle east book by elsevier at our online ebook library. The recent classification schemes are shown in table 1. Basement geology in the sedimentary basins of nigeria. The geology is of interest to oil prospectors, hydrologists and palaeontologists. Various formula were adopted to obtain some of the major morphometric characteristics of the basin especially the linear parameters like stream order, stream number, stream length, stream length ratio, bifurcation ratio among others. Geology and earth science news, articles, photos, maps and.
The dahomey basin is a very extensive sedimentary basin that extends from southeastern ghana in the west. Geology and mineral resources of the lower benue trough. This comprehensive textbook presents an overview of petroleum geoscience for geologists active in the petroleum industry, while also offering a useful guide for students interested in environmental geology, engineering geology and other aspects of sedimentary. Precambrianage homestake deposit at lead, south dakota, the united states largest producer, most of the major gold deposits are of mesozoic and younger age. Click download or read online button to geology and offshore mineral resources of the central pacific basin book pdf for free now. Contains details on the geological units of nigeria and the associated mineral resources. Geology and mineral resources of nigeria nuhu george. Geology of the eastern dahomey basin with emphasis on the geology of the oil sands of ogun. Find materials for this course in the pages linked along the left. Drainage basin, hawul basin, geospatial, morphometric. Note the structural elements as mentioned in the text modified after slansky, 1962, jones and hockey, 1964. It extends northwestward into the niger valley, northward to the jos massif and northeastward into lafia.
Pdf geology of central sumatra basin free download pdf. Benin basin dahomey embayment is bounded in the west by the ghana ridge which is an extension of the romanche fracture zone and the east by the benin hinge line, a basin escarpment which separates the okitipupa structure from the niger delta basin and marks the continental extension of the chain fracture zone. Geology and petroleum systems of the offshore benin basin. Integrating airborne magnetic and landsat data for geologic. Description download geology of central sumatra basin comments. Statistical and descriptive summaries of waterresources data for the cannonball river basin, north dakota and south dakota by edwin a. Click download or read online button to regional geology and tectonics of the abu gharadig basin and its extension western desert egypt book pdf for free now. The depositional environments and provenance characteristics. A field trip was conducted in order to evaluate the geology, geochemistry and origin of gypsum mineralization in the. Tectonic evolution and hydrocarbon prospectivity of. It extends from south eastern ghana through togo and benin republic into western nigeria slansky, 1962, antolini 1968, billman 1972.
The list is split into broad categories, depending on the intended use of the software and its scope of functionality. Simplified regional map of dahomey benin basin from ghana in the west to nigeria in the east. Notice that free and opensource requires that the source code is available. The results of the project, contained in chapters b through i of this volume, consist of a series of papers and maps addressing the regional geology, paleontology and carbonate geology, environments of deposition for coalbearing rocks, and energy and mineral resources of the study area. Omatsola and adegoke 1981 on the lithostratigraphy of dahomey basin recognized 3 formations belonging to the abeokuta group based on lithologic homogeneity and similarity of origin. In unit iv, the data are noisier where the hole quality is degraded, as indicated by the caliper data. Dahomey embayment with indication of the study area.
Download pdf regional geology and tectonics of the abu. Aquifer vulnerability assessment of the dahomey basin using. Hydrocarbon potential assessment of the maastrichtian araromi. Introduction to geology and resources of gold, and. Hydrostratigraphic characterisation of shallow coastal aquifers of. The dahomey benin embayment is part of a system of west african pericratonic margin sag basin 14, covering much of the continental margin of the gulf of guinea, extending from voltadelta in ghana on the west to the okitipupa ridge in nigeria on the east figure 1. Outline of the general geology of the iullemmeden basin although the description of the geology of the entire lullemmeden basin is not the objective of this paper, it is necessary to provide a general outline of the geology of the whole basin in order to facilitate better understanding of. A faulted basement high, the okitipupa basement ridge separated the dahomey embayment from the benue trough until the late cretaceous subsidence and marine transgression united both basins. Ijerph free fulltext regional aquifer vulnerability and.
Elsevier pdf sedimentary basins and petroleum geology of the middle east book by elsevier are a good way to achieve details about operating certainproducts. Apr 30, 2009 the dahomey basin is a combination of inland coastal offshore basin that stretches from southeastern ghana through togo and the republic of benin to southwestern nigeria. Journal of petroleum geology is a quarterly journal devoted to the geology of oil and natural gas. Introduction to geology and resources of gold, and geochemistry of gold a1. The dahomey basin is a combination of inland coastal offshore basin that stretches from southeastern ghana through togo and the republic of benin to southwestern nigeria. Omatshola me, adegoke os 1980 tectonic evolution of the dahomey basin west africa and its implication on the opening of the north and south atlantic. Generalized geology of the dahomey basin modified by billman, 1976 the abeokuta formation is the oldest formation in the dahomey basin. Great basin national heritage route headquarters the border cash machine available vault toilet, mather plaque, bench, viewing scopes reservations required lexington arch spring creek rearing station nevada department of wildlife. The basin is a marginal pullapart basin klemme, 1975 which developed in the. In this context, this research utilized a twenty 20. Bitumen free inorganic grains were obtained using the hot watertoluene. The report relies largely on a synthesis of published geologic information.
Cretaceous and tertiary of the iullemmeden basin in. The method is applied on a shallow aquifer in the dahomey basin of southwestern nigeria with the results being compared to other established vulnerability assessment methods. The method follows the source pathway receptor concept of aquifer vulnerability assessment where rainfall represents. Radiogenic heat production in the coastal plain sands of ipokia. Of the dahomey basin, 21% was classified as highvulnerability and at risk of pollution, 61% as moderate.
Pannonian basin province, central europe province 4808. The frontier cotonou basin or dahomeybenin embayment, situated west of the. The dahomey basin is an extensive sedimentary basin on the continental margin of the gulf of guinea. Principles of sedimentary basin analysis pdf free download. Report geology of central sumatra basin please fill this form, we will try to respond as soon as. Central europe and summarizes the petroleum geology, which was the basis for assessment, and presents results of that assessment.
Akande 2 1 university of ilorin, 240093, ilorin, nigeria 2 university of ilorin, ilorin, nigeria dahomey basin is an extensive sedimentary basin in the gulf of guinea. For more information on this program, please contact tribasin nrd at 308 9956688 or 18779956688. The major basin datalayer extends beyond the connecticut boundary to include the headwaters of every major basin that flows into the state, except for the connecticut river basin. Nigeria is underlain by seven major sedimenta ry basins, viz. Free peoples lake braton lake guss lake fox lake mchugh slough lake legreid oak lake shin bone lake black slough snyder lake. Geology and geohydrology of the palo duro basin, texas panhandle. Geology and hydrocarbon potential morocco to guinea ian davison earthmoves ltd. Join researchgate to discover and stay uptodate with the latest research from leading experts in petroleum geology and many other scientific topics. The benin dahomey basin forms one of a series of west african atlantic margin basins that were initiated during the period of rifting in the late jurassic to early cretaceous, omatsola and adegoke, 1981, weber and daukoru, 1975, whiteman, 1982. Overview of the geography, geology, and structure of the.
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