LITERATURE REVIEW OF LOWER BENUE TROUGH

The Benue Trough is a unique rift feature on the African continent in that it occupies an intracontinental position and has a thick compressionally folded Cretaceous supracrustal fill Cratcheley and Jones ; Wright ; Grant ; Burke et al. The Santonian age was heralded by a tectonic event. Published August 4, The rock units were logged and interpreted. The second is found only in the south of the trough, and may belong to a period when the extension of the Atlantic had slowed down, ending with a period of compression. The lower which is the southern Benue Trough, is the southwestern part of the Benue depression Carter et al. The beds, rich in ammonite fauna, indicate Albian age.

You are commenting using your Google account. This occurs as a result of extensive block faulting initiated when the trough began to develop. Also to know the economic mineral potentials, hydrogeology, engineering geology and land use significance of the different rock types, minerals and geological features. The oldest sedimentary rocks in Nigeria is in this trough and they are of lower Cretaceous age. It is the present work should contribute towards a general and broad understanding of the geology of the Benue Trough. These beds have been assigned as the Odukpani Formation Reyment, Email required Address never made public.

Albian-Cenomanian; Turonian-Santonian and campano-Maastrichtian. The floor of the Basin is irregular and sediments thicknesses vary from place to place. 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, litefature is considered part of the formation. The trough is characterized by an uplifted basement block, flanked by deep basin containing about 6km of sediments.

The second off found only in the south of the trough, and may belong to a period when the extension of the Atlantic had slowed down, ending with a period of compression. It is poorly bedded, and dip range is 46o to 72o Azimuth.

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Strike and dip of bed were measured benur carefully plotted into the map with the aid of a protractor, ruler and pencil.

Literature review of the lower benue trough

A Review of Literature: The oldest sedimentary rocks in Nigeria is in this trough and they are of lower Cretaceous age. It is also the oldest dated sedimentary rock unit in southern Benue Trough Whiteman, This occurs as a result of extensive block faulting initiated when the trough began to develop. Help Center Find new research papers in: The Asu River Group is a major stratigraphic unit in the study area, consisting of dark micaceous shale, fine grained and calcareous sandstone bodies.

You are commenting using your WordPress. Remember me on this computer. The sediments consist of rather poorly bedded sandy shales with sandstone and sandy —limestone lenses. The lower which is the southern Benue Trough, is the southwestern part of the Benue depression Carter et al.

literature review of lower benue trough

The Benue Trough is a unique rift feature on the African continent in that it occupies an intracontinental position and has a thick compressionally folded Cretaceous supracrustal fill Cratcheley and Jones ; Wright ; Grant ; Burke et al.

View all posts by colbybernal The third and last period is also found only in the south of the trough, and may be related to an isostatic response to the earlier crustal thinning.

Literature review of lower benue trough – Google Docs

Fill in your details below or click an icon to log in: The beds, rich in ammonite fauna, indicate Albian age. You are commenting using your Facebook account. The Turonian is overlain by sediments of Coniacian age.

literature review of lower benue trough

There are folds which consists of series of anticlinorium and synclinorium suggesting that there was a deformational episode in the trough. You are commenting using your Twitter account. Shortly after the break up of African and South America, a continental condition favourable revoew the deposition of fluvio- deltaic sediment which occurred in the Albian age.

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The first is prominent in the north of the trough, and contemporary with magmatism in Brazil, probably occurring during a period of crustal extension before the Atlantic started to open.

literature review of lower benue trough

The formation consists of bluish grey, well bedded shales. The other two arms continued to spread during the break-up of Gondwanaas South America separated from Africa. An attempt is therefore made to assemble a review of the known geology of the Benue Trough in general and for the Lower and Middle Benue Trough in particular, based on the few published papers and lowe oral discussions with geologists and geophysicists interested in the area.

The base map was grided and traverse method were employed during the detailed mapping.

Location[ edit ] Sketch map of Benue Trough The trough has its southern limit at the northern boundary of the Niger Deltawhere it dips down and is overlaid with Tertiary and torugh recent sediments. During the mapping, the technique adopted was the use of global positioning system, compass and traverse method in which distance between locations were estimated on the map. Skip to content Home About Contact. This tectonic epirogenic event led to the uplift, folding and widespread erosion of the pre-santonian sediment in the trough.

A sequence of mafic lavas, pyroclastic flows, tuffs and agglomerates forms part of the Cretaceous succession within the Benue Trough of Nigeria.