Paleozoic basins in west africa and the mauritanide thrust belt paleozoic basins in west africa and the mauritanide thrust belt villeneuve, michel 20051001 00. It is of considerable interest due to its possible reserves of oil. Industrial sea overfishing, mauritania description. Hydrocarbons in the taoudeni basin are derived from source rocks in the mesoneoproterozoic atar group. It covers large parts of the west african craton in mauritania and mali. The manuscript will undergo copyediting, typesetting, and. Hydrogeologic map of the islamic republic of mauritania. Source rocks have similar characteristics, but their thickness varies from 20m to 500m. The taoudeni is the largest sedimentary syncline basin in northwest africa, formed during the midlate proterozoic. Although mississippi valleytype mvt deposits have not been recognized in mauritania there are permissive tracts for these deposits in the regionally extensive proterozoic carbonate rocks of the taoudeni basin. Morocco, and 3 the taoudeni basin of mauritania and mali. In a more recent move, another perth company, sphere investments ltd. The images are hyperlinks and will open up a separate window with a high resolution pdf image of the map.
In the east by the panafrican, pharisee and dahomean belts. Based on the distribution of effective source rocks in the taoudeni basin. The taoudeni basin mauritania mali, west africa was formed as a result of pre panafrican subsidence associated with rifting at the margins of the west african craton. Neogene cratonic erosion fluxes and landform evolution. Taoudeni basin with minimal evidence for highamplitude sea level changeis consistent with inferences of late mesoproterozoic highstand conditions in a global greenhouse climate. Hydrogeochemical and multitracer investigations of. Northwest africa, taoudeni basin undiscovered conventionally. Strata of the taoudeni basin are typically subdivided into three unconformityboundedunits.
The taoudeni basin is a typical steady intracratonic basin. As mauritania looks toward becoming an oil producing country for the first time in early 2006, a host of exploration companies has. A series of overthrust basement sheets defines the western edge in the. One example was the adoption of the fisheries transparency initiative fiti, which aims to eliminate the reliance on more secretive fishing contracts that are more likely to contribute to overfishing. Diagenesis of the upper proterozoic siliciclastic sediments of the. The taoudeni is a very large basin and has a high exploration risk. The taoudeni basin, west africa, preserves up to 0 m of gently dipping 1500 km from mauritania to northern mali and western algeria fig. Neoproterozoic paleomagnetic poles in the taoudeni basin. The late proterozoic bakoye 3 formation is a predominantly aeolian unit deposited in the glacially influenced cratonic taoudeni basin of western africa. Airborne magnetic depth estimates reveal two primary groundwater basins. Martyn 277 neoproterozoic to devonian age in the centre, and the lower proterozoic birrimian fold belt emerging from beneath the taoudeni basin in the far south. It will include a statement signed by the leader on behalf of the group of consultants. Oil, gas, jihadism and militarization in the taoudeni.
Pdf solid hydrocarbons in proterozoic dolomites, taoudeni basin. Interbasin transfers of water are a management practice that addresses water supply andor water quality needs in some parts of the receiving basin. Muted isotopic variability, facies correlation, and global isotopic trends. In the taoudeni basin, zones of local recharge occur in three areas.
In the 1970s, geologists became aware that the taoudeni basin possesses considerable quantities of gas and liquid petroleum resembling the petroleumrich provinces in algeria, niger, sudan, and libya, yet during the following three decades, it remained a last. The application form must be attached to the file provided in the preliminary note. Dec 18, 2010 this page was last edited on 21 february 2019, at 09. Pdf petroleum systems of the taoudeni basin, west africa. Governance of the niger basin and the iullemeden taoudeni tanezrouft aquifer system ittas 4798 international astrid hillers 27dec17 waters 9725 fp ceo endorsement of fsp undp mali communitybased natural resource management that resolves conflict, improved livelihoods and restores ecosystems throughout the elephant range 5778 jeanmarc 27. Mar, 2018 the period 1800 to 800 ma boring billion is believed to mark a delay in the evolution of complex life, primarily due to low levels of oxygen in the atmosphere. Convert and create pdf from various types of files like word doc, excel xls, powerpoint ppt. Mauritania has long existed as a rentier state supported from the external revenues gained from mining, fishing, petroleum, and international aid magrin et al. Mauritanias government has taken several steps to bring more sustainability and transparency to its fishing partnerships. Oil, gas, jihadism and militarization in the taoudeni basin, mali description.
It can be divided into two age specific domains, namely the western archean domain, and the eastern. Chemostratigraphy of the late mesoproterozoic atar group. The reguibat shield is bounded in the north by the tindouf basin and the panafrican age antiatlas, in the east by the taoudeni basin, and in the west by the variscan mauritanian fold belt. This paper analyses the paleogene and neogene evolution of the kutai basin using a combination of geophysical and. It covers western niger and parts of algeria, mali and nigeria. Files are available under licenses specified on their description page. Petroleum systems of the taoudeni basin, west africa. This sector includes parts of north africa and west africa and is subdivided into four zones. The taoudeni basin is a major geological formation in west africa, named after the taoudenni village in northern mali. It is named after the iullemmeden, a federation of tuareg people who live in the central region of niger.
Concerning existing data or project in mauritanian taoudeni basin study zone, accessible bibliography. Pdf infracambrian petroleum play elements of the ne. The major sedimentary basin in mali is the paleozoic taoudeni basin, extending for 600,000 sq. Chemostratigraphy of the late mesoproterozoic atar group, taoudeni basin, mauritania. It is bordered to the west by the polyorogenic belts of the mauritanides and rockelides panafricain and hercynian. In mali, the taoudeni basin is relatively better known due to the execution of several drilling works in search for oil. To the north and northwest, it is bounded by the basement of the reguibat shield.
The groundwater flow system in the country can best be described as two interconnected regional systems. All the information below must only relate to the group of. Exploration efforts started in this vast and remote saharan region already in 1957 and 60 exploratory wells have been drilled to date, resulting in over 20 discoveries with around 4,000 million barrels of oil in place. At the arab region level, a draft framework convention for shared water resources in the arab region. A hydrogeologic study was conducted to support mineralresource assessment activities in mauritania, africa.
Pdf the taoudeni basin mauritania mali, west africa was formed as a result of pre panafrican subsidence associated with rifting at the. Multidisciplinary approch to improve the knowledge of. All structured data from the file and property namespaces is available under the creative commons cc0 license. In the western part of this basin, the char group and the lower part of the atar group make up a 400mthick neoproterozoic siliciclastic succession which rests on the palaeoproterozoic metamorphic and granitic basement. Mobilizing the iullemeden taoudenitanezrouft groundwater. Its geographic range is largely coincident with the azawagh region. The taoudeni basin is one of the major structural units of the western african craton. This is a pdf file of an unedited manuscript that has been accepted for publication.
Towards a palaeoecological model of the mesoproterozoic. Based on the distribution of effective source rocks in the taoudeni basin, combined with the structure characteristics of the basin and the distribution characteristics of reservoir beds, two petroleum systems are recognized in the basin. The study zones included in the iaeasupported project. It stretches across mali, mauritania and the two guineas and overlaps slightly into algeria, senegal, sierra leon and burkina faso fig. Qaddafis death and his regimes end fractured a security structure that had brought some stability to libya, mali, niger, and to a much lesser extent southern algeria. Problems include questionable sourcerock quality, inadequate burial depths in much of the basin, and lack of extensive regional seals. Permissive tracts for undiscovered mvt pbznag deposits in the proterozoic carbonate units are supported by the occurrences of mvt mineral and alteration assemblages, presence of.
The boring billion, a slingshot for complex life on earth. Knowledge on quality quantity of gw resources technical brief. Taoudeni basin cover international atomic energy agency. The taoudeni basin is a major geological formation in west africa, named after the taoudenni. In addition to these recharge and discharge areas, ground water flows across the. Pdf the taoudenni basin, north africas largest sedimentary basin, is located in western mauritania, northern mali and southwestern algeria. However, the geodynamic setting of the taoudeni basin is unlike that of sedex ores elsewhere on earth, and therefore the potential for this class of deposits must be rather low. Hydrocarbons in the taoudeni basin are derived from source rocks in the meso. Location of taoudeni sedimentary basin taoudeni basin is the largest sedimentary basin of upper precambrian and palaeozoic age in africa.
The organic matter abundance of source rocks in different stratigraphic intervals varies signi. The iullemmeden basin is a major subsaharan inland basin in west africa, extending about 1,000 kilometres north to south and 800 kilometres east to west. No exploration well had been drilled in the malian part of the basin. Taoudeni basin west africa and relation to diabase emplacement. It continued to subside until the midpalaeozoicage, when hercynian deformation and uplift occurred. The neoproterozoic and palaeozoic taoudeni basin forms the flatlying and unmetamorphosed sedimentary cover of the west african craton. Governance of the niger basin and the iullemeden taoudeni tanezrouft aquifer system ittas 4798 international astrid hillers 7apr17 waters 9359 msp ceo msp approval undp regional moldova, ukraine enabling transboundary cooperation and integrated water resources management in the dniester river basin 5269 international steffen hansen 7apr17. Taoudeni basin, mauritania and the kanpa formation officer basin. This page bundles the available data for the taoudeni basin in the africa. Automated thermotectonostratigraphic basin reconstruction. The niger river basin covers an area of more than 2. Neoproterozoic paleomagnetic poles in the taoudeni basin west africa article in comptes rendus geosciences 3434. Synthetic aperture radar data were used to interpret.
Visible and infrared properties of unaltered to weathered. Based on the distribution of effective source rocks in the taoudeni basin, combined. Seismic surveys and an airmag coverage had demonstrated the thickness of the basin, and the presence of anticlines. On 20 october 2011, muammar qaddafi, the leader of libya, was killed by members of a local militia in his hometown of sirte. Petroleum stratigraphy of the northeast africamiddle east. The taoudeni basin 1,500,000 km 2 is a major geological sedimentary formation in west africa named after the taoudeni village in northern mali. And contrary to the hydrological basins, transboundary aquifer systems have received no attention. Pdf the taoudeni basin is a typical steady intracratonic basin. Groundwater also flows across international boundaries. Hydrogeologic maps were constructed for the islamic republic of mauritania. Solid hydrocarbons in proterozoic dolomites, taoudeni basin, mauritania article pdf available in journal of petroleum geology 391 january 2016 with 1,084 reads how we measure reads.
An overview ziad khayat first economic affairs officer water resources section sustainable development policies division sdpd expert group meeting on pursuing improved shared water resources management within the framework of global and regional agreements cairo, 2930 november 2018. This page was last edited on 21 february 2019, at 09. Previous palaeobiological investigations of the taoudeni basin, in northwest africa fig. The bakoye 3 can be divided into five distal units, two proximal units, and a local upper massive sandstone. Apart from sedimentary rocks belonging to the taoudeni basin and the continental terminal. The study area mostly belongs to the mouhoun drainage system the main stream of the volta drainage system, i. Genesis and geodynamic evolution of the taoudeni cratonic. Proterozoic stromatolitic limestone in the oil window. Explorers prepare to evaluate taoudeni basin in mali, mauritania. Geological exploration in murzuq basin sciencedirect.
The gondo plain is located in the south west of the. Permissive tracts for sedex sedimentary exhalative deposits coincide with those for mvt deposits. As a service to our customers we are providing this early version of the manuscript. Assessment of undiscovered oil and gas resources of the. Hydrates cruise in the gulf of mexico more info investigation of the upper and middle continental slope of the mississippi canyon, including the gulf of mexico, for the distribution of gashydrate deposits with links to a dem image map, bathymetry data, and research technology. The iullemeden, taoudeni tanezrouft transboundary basin is shared by algeria, benin, burkina faso, mali, mauritania, niger, and nigeria. In contrast to the flow system in the taoudeni basin, the potentiometric surfaces reveal two areas of discharge in the continental terminal system but no localized recharge areas. The taoudeni is the largest sedimentary syncline basin in northwest africa, formed during the midlate. Neoproterozoic atar group, which is composed of facies varying from stromatolite. Structural and lithological study of gold mineralization. The taoudeni is the largest sedimentary basin in northwest africa, formed during the midlate proterozoic.
This page was last edited on 4 january 2018, at 20. The taoudeni basin mauritania mali, west africa was formed as a result of pre. According to evaluations by sso, the taoudenni aquiferous system covers a surface area of about 500 000 km2 with a water potential estimated at 2 000 billion cubic meters. Explorers prepare to evaluate taoudeni basin in mali. Permissive tracts for sedimenthosted leadzincsilver. Most of its sedimentary section is early paleozoic and late precambrian in age. The study zones included in the iaeasupported project raf7011 are presented as red ellipses. Structural controls on the evolution of the kutai basin, east. Accepted manuscript royal museum for central africa. Total in the taoudeni basin in mauritania, thereby further extending the longstanding partnership between the two companies. Petroleum systems of the taoudeni basin, west africa springerlink. Such characteristics are inconsistent with suggestions of a timeequivalency with glaciogenic strata of the vazante group. It covers large parts of the west african craton in mauritania, mali and the southwestern part of burkina faso fig. Microfossils from the late mesoproterozoic early neoproterozoic.
Petroleum stratigraphy of the northeast africamiddle east region by james a. The niger river basin included, hydrological basins have been subject to institutionalized joint management and knowledge for several decades. African subsidence associated with rifting at the margins of the west african craton. Geology and petroleum resource assessment of onshore. Pdf converter is a online webbased document to pdf converter software. The southern part of the plateau bears the highest summits of the region and the height of the escarpment decreases towards the ne. The studied rock outcrops include metamorphosed basalts, gabbros, andesites, and andesitic pyroclastic flows, volcanosedimentary rocks of andesitic to dacitic composition, and detrital sediments. The sediments of the neoproterozoic taoudeni basin unconformably overlay the paleoproterozoic rocks in the western part of the study area fig.
This is a pdf file of an unedited manuscript that has been accepted for. Pdf chemostratigraphy of the late mesoproterozoic atar. The murzuq basin is a large intracratonic sag basin located in southwestern libya. Taoudeni basin 1 atar international airport tasiast shield 2 nouadhibou international airport 3 nouakchott international airport 4 port mineralier 5 nouakchott deepsea port infrastructure 3 5 tasiast mauritanides fold belt 16. We distinguish the taoudeni basin located in the center. Pdf neoproterozoic glaciomarine and cap dolostone facies. Overview of shared water resources management in the arab.
477 411 68 1229 1233 338 1247 533 91 203 1166 1356 1488 830 905 90 431 1045 661 201 862 817 1351 93 1143 1132 326 1253 526 1199 902 20 1295 1077 820 370 313 1485 638 1359 239 538 1078 1293 613 518 782 859 394