Engineering Geological Investigation of a Proposed Construction Site Area of Adekunle Ajasin University Sport Complex, Akungba-Akoko, Southwestern Nigeria Using Electrical Resistivity Article Oct 2016 Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. (Adopted from Mukhtar and Xie, 2012) . Anambra Basin is one of the energy-rich inland sedimentary basins in Nigeria. Most of the wells that penetrated the basement are in the Eastern Dahomey embayment of western Nigeria. It was subsequently recorded from the Upper Albian and Cenomanian of Brazil by Herngreen (1973, p. 553) imparting to it a composite range of Upper Albian to Coniacian. The ages of the basement rocks span Precambrian to early Palaeozoic, having been consolidated during the Pan-African. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Although a tripartite subdivision is also applicable to the Niger Delta, this sequence has been growing seaward with lower marine shales grading through thick ancient coastal sandstones and shales, into an upper continental sequence. In the southeast, poorly bedded sandy shale alternates with layers of sandstone and sandy limestone, containing ammonite, radiolarian, echinoid and gastropod fossils. Professor Moshood N. Tijani, Department of Geology, University of Ibadan, Nigeria Emily Crane, Kirsty Upton, Brighid Ó Dochartaigh, British Geological Survey, UK Imogen Bellwood-Howard, Institute of Development Studies, UK Please cite this page as: Tijani, Crane, Upton, Ó Dochartaigh and Bellwood-Howard, 2018. You can change your ad preferences anytime. The middle ancient coastal sediments are oil-and gas-bearing. British Geological Surve… OnlineNigeria.com 1998 - document.write(new Date().getFullYear()) © All rights reserved. Sedimentary succes- sions in these basins are of middle Mesozoic to Recent age. The Younger granites which are predominantly magmatic See our Privacy Policy and User Agreement for details. Both basins are of course low lying, as expected of a basin. Lokoja area 2.1.1. Home | | Nigeria is endowed with diverse of rock types, both crystalline (igneous and metamorphic) and sedimentary rocks. The former forms what is commonly referred to as the Basement Complex of Nigeria where the latter forms the sedimentary terrain (sedimentary basins). Sitemap XML, Non-Metallic Mineral and Industrial Materials. Nigerian basins are broadly divisible into coastal Calabar Flank, Niger Delta, Dahomey Basin and interior basins (Benue Trough, Chad Basin, Nupe Basin, SE lullemmeden Basin). The recent ambush on oil exploration team in the North-East Nigeria by Boko Haram has put a damper on the nation’s drive to tap its highly underexplored inland basins, industry experts have said. Latest Nigeria Articles | These mineral deposits were formed at different stages in the geological evolution of Nigeria. The geology of Nigeria as described by Obaje [1], comprises of three litho-petrological components, which are: Basement complex, the Younger Granites, and Sedimentary Basins. Nigeria is underlain by seven major sedimenta- ry basins, viz: (from the oldest), the Calabar Flank, the Benue Trough, the Chad Basin, SE lullem- menden (Sokoto) Basin, the Dahomey Basin, and the Niger Delta Basin. Geologically, Nigeria comprises crystalline basement rocks and sedimentary basins, almost in equal proportions. Adapted from Carter et al. While road construction and maintenance are compara- tively cheaper on basement terrain, the sedimenta- … It ispart of the broaderCENTRAL AFRICAN RIFTSYSTEM. Archive | (2013) Geology of Nigeria’s Sedimentary Basins. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. The geology of Nigeria is made up of three major litho-petrological components, namely, the Basement Complex, Younger Granites, and Sedimentary Basins. If you continue browsing the site, you agree to the use of cookies on this website. The programme in its design took advantage of the known metallogenic belts in the country and ensured the use deep information, knowledge and skills residing in the government institution for the execution. The Bida Basin located at central Nigeria is one of the hinterland sedimentary basins in Nigeria and made up of sedimentary fill of about 3.5 km (Ojo 1984; Udensi and Osazuwa 2004).It is a northwest–southeast trending intracratonic structural depression adjacent to and contiguous with Sokoto and Anambra Basins in the northwest and southeast, respectively (Fig. Coniacian of Senegal by Jardin6 and Magloire (1965) as Multiporopollenites sp. 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