the benue trough diagram

Benue Trough - Wikipedia

The Benue Trough is a major geological structure underlying a large part of Nigeria and extending about 1,000 km northeast from the Bight of Benin to Lake Chad.It is part of the broader Central African Rift System.

Paleocurrent Analysis of the Sandstone Body in Akpoha and ...

The Benue Trough is an intercontinental rift basin characterised by tectonic and magnetic activities during cretaceous time. The Benue Trough can be sub-divided into lower, middle, and upper parts that were affected by santonian compression which deformed the Benue Trough by inverting the main depocenter of the Abakaliki Trough and

Characterization and Classification of the Saline ...

Fig.1: Geological and geographic settings of the Benue-Trough, Nigeria, [1] The Trough is seen to consist of a series of rift basins which form a part of the Central West African Rift System.

Reservoir Potentials of the Cretaceous Gombe Sandstone ...

the Upper Benue Trough is dominantly composed of arenaceous sediment which can possibly serve as a reservoir rock. Earlier sedimentological studies indicated that this formation is composed of quartz-arenite to arkosic sands which are mature to submature formed in a deltaic environment with thickness of over 300m [1].

Pattern of Geochemical and Sedimentological Variability of ...

General Geology of the Benue Trough The Benue Trough is a NE-SW trending sedimentary basin, which extended from the Niger Delta to the Chad Basin, consisting of about 5000m of Cretaceous sediments (Fig.1). The Benue Trough is divided into Lower, Middle and Upper sections. The Upper Benue Trough bifurcates into a Gongola branch, striking N-S into Lake

Tracing the Central African Rift and Shear Systems ...

greater Benue Trough, onshore Nigeria, and reframes WCARS (West and Central African Rift and Shear Systems) as it traces beneath the onshore Niger Delta and across the Cameroon Volcanic Line (CVL), Figure 1. We thus join onshore architecture to oceanic fracture systems, forming a kinematically sound whole.

Source region inhomogeneity in igneous suite of Ishiagu ...

the Benue Trough was part of the many tectonic and magmatic features produced in the Cretaceous by the separation of South America from Africa. The nature of the source of the magma and its evolutionary history in the emplacement of the rocks are crucial to the interpretation of the tectonics of the Benue Trough. The petrology and

A Study of the Middle Benue Trough (Nigeria) Based on ...

With an upbeat in petroleum exploration efforts in the Middle and Upper Benue Trough, emphasis is increasingly laid on the structural setting of the basin. This work reports the results of the analysis of aeromagnetic data over the Middle Benue Trough, Nigeria. It is well known that the expression ...

Petroleum Potentials of the Nigerian Benue Trough and ...

the Central Benue Trough[30] perhaps caused by a com- pressional event In the Central Benue Trough, [31,32]. the regressive Awe and Keana Formations were depo- sited [33] while in the Northern Benue Trough; the tran- sitional Yolde Formation marked the Cenomanian [34]. The late Cenomanian to early Turonian was a period of

Facies Associations and Successions in Amaseri Sandstones ...

The Benue Trough is a part of the extensive West and Central African Rift Systems that occur as a result of break- up of the Gondwana supercontinent.

Paleocurrent Analysis of the Sandstone Body in Akpoha and ...

The Benue Trough is an intercontinental rift basin characterised by tectonic and magnetic activities during cretaceous time. The Benue Trough can be sub-divided into lower, middle, and upper parts that were affected by santonian compression which deformed the Benue Trough by inverting the main depocenter of the Abakaliki Trough and

Reservoir Potentials of the Cretaceous Gombe Sandstone ...

The Benue Trough is a major NE-SW trending rift basin of 50 – 150km width and over 1000km length. ... Figure3: Diagram showing the stratigraphy of the Upper Benue Trough (Obaje et al, 1999) Reservoir Potentials of the Cretaceous Gombe Sandstone, Gongola Basin, Upper Benue Tough, North ...

Stratigraphic Report of the Middle Benue Trough, Nigeria ...

transgression into the Benue Trough and is probably the age equivalent of the marine slumps and turbidities that make up the Ekebeligwe Formation in the Lower Benue Trough. This transgression entered the Benue Trough from the newly opened Equatorial Atlantic Ocean and reached its peak towards the end of Middle Albian.

Structural and Tectonic Interpretations from Airborne ...

The Benue Trough is a linear NE-SW trending rift system whose development was closely associated with the separation of Africa from South America and the opening of the South Atlantic Ocean during the Cretaceous. The origin and evolution of the Benue Trough are fairly well documented (Wright (1968), Burke et. al 1971, Nwachukwu

Geochemical Fingerprints; Implication for Provenance ...

sediments. The intracontinental Benue Trough was initiated during the lower Cretaceous in relation with the Atlantic Ocean opening This paper describes the geochemical composition of Sandstones, Shales, Marls, Limestones from the Asu River and Cross River Group of the Lower Benue Trough, Southeastern Nigeria as exposed in Abakaliki Area and

STRUCTURE AND EVOLUTION OF THE BENUE TROUGH BY Professor ...

complimentary to the Benue Trough but without rift faulting even though its volcanic rocks have rift valley affinities. Its shape and size closely resembles that of the Benue Trough and it can be superimposed on the Benue Trough by rotation of 70 about a pole located in Sudan

Petroleum Potentials of the Nigerian Benue Trough and ...

(a) Frequency diagrams of magnetic discontinuities showing major structural trends in the Benue Trough through to the Nigerian continental margin (after Benkhelil et al., 1989), (b) NE-SW trending sinistral strike-slip fault at Bima Hill, Northern Benue Trough.

Petrographic analysis for naming and classifying an ...

Regionally, the Benue Trough is part of an Early Cretaceous rift complex known as the West and Central African Rift System. The Asu-River Group consists of largely brown sandy shale with fine grained micaceous sandstones. Both Reyment (1965) and Kogbe (1975) hold that the Asu-River Group shale grades into a subordinate sandstone

Petrographic and Geochemical Evaluation of Some Mafic ...

Benue Trough. INTRODUCTION enue trough is formed as a result of tectonism associated with magmatismand sedimentation in the Cretaceous Period when South America separated from Africa. The sediment thickness is over 6000m in some places. The sediment suffered deformation in the Cenomanian and Santonian age. These deformations

Tracing the Central African Rift and Shear Systems ...

rift) segment running south and in which WCARS was the abandoned arm. The Benue Trough is then likened to Shatsky's aulacogen. Development of such a system is illustrated by Figure 3, a stability diagram . a la. McKenzie & Morgan (1969), drawn for the Gulf of Guinea system. Figure 3a shows a typical map relationship

Basement morphology of the middle Benue Trough, Nigeria ...

The middle Benue Trough is the central segment of the Nigerian Benue Trough ... Also the inserted rose (azimuth-frequency) diagram represents the plotted azimuth of strikes of maxima of image subsurface basement structures. The figure reveals the occurrence of subsurface tectonic elements (i.e. sub-basins, basement ridges and/or structures ...

Structural and Tectonic Interpretations from Airborne ...

Benue Trough. The determination of sediment thickness above the basement and the delineation of major structures are very essential for better understanding of the geology of the Yola arm of the Upper Benue Trough. This work presents the results of the analysis of aeromagnetic data over this area.

Geochemical Fingerprints; Implication for Provenance ...

Geochemical Fingerprints; Implication for Provenance, Tectonic and Depositional Settings of Lower Benue Trough Sequence, ... diagram proposed by Roser and Korsch (1986) distinguish the sources of the sediments into four provenance ... Benue Trough, Southeastern Nigeria, samples were collected from Amaseri quarry, Enyingba quarry, Nigercem ...

Provenance and Tectonic Setting of Amasiri Sandstone ...

The stratigraphy of southern Benue Trough is marked by a series of transgressive and regressive phases which affected the Benue Trough. According to (Reyment, 1965), description of the stratigraphy and palaeogeography of different sedimentary basins in Nigeria, the sediments of Benue Trough show markable

INTERNATIONAL JOURNAL OF SCIENTIFIC & TECHNOLOGY RESEARCH ...

Benue Trough. This group, which is believed to be about 3000m thick, lies unconformably on an older basement complex. Rock units belonging to the Asu River Group outcrop along axis of the Keana (Offodile, 1976). (b) Awe Formation, which consists of flaggy, whitish, medium to coarse – grained sandstones interbedded with

Tracing the Central African Rift and Shear Systems ...

rift) segment running south and in which WCARS was the abandoned arm. The Benue Trough is then likened to Shatsky's aulacogen. Development of such a system is illustrated by Figure 3, a stability diagram . a la. McKenzie & Morgan (1969), drawn for the Gulf of Guinea system. Figure 3a shows a typical map relationship

Use of Modelling Approach in evaluation of Fractured Shale ...

Groundwater samples were evaluated for irrigation purpose, within selected part of Oju area of Benue State, Nigeria. The study area lies within Asu River Group of the Lower Benue Trough, southern part of Nigeria. Physicochemical parameters were analyzed using APHA, 2012 method.

Earth Sciences Research Journal - Universidad Nacional De ...

The southern part of the area forms part of the middle Benue Trough and is underlain by Cretaceous sedimentary rocks, namely the Awgu shale and Lafia formation. The Awgu shale is composed mainly of bluish-gray to black shales, whereas the Lafia formation consists mainly of sandstones and claystones.

A Study of the Middle Benue Trough (Nigeria) Based on ...

With an upbeat in petroleum exploration efforts in the Middle and Upper Benue Trough, emphasis is increasingly laid on the structural setting of the basin. This work reports the results of the analysis of aeromagnetic data over the Middle Benue Trough, Nigeria.

(DOC) The study area is located within Benue Trough ...

This study area is part of the Southern Benue Trough in the South eastern part of Nigeria. The Southern Benue Trough is part of the Benue depression which comprises mainly the Abakaliki Anticlinorium and Afikpo syncline to the east and the Anambra basin to the west. The Asu River Group was first described by Bain (1924) as lower Shales.

GEOLOGY AND MINERALISATION IN THE ALBIAN SEDIMENTS OF THE ...

The Benue Trough is an intra-cratonic rift trending southwest-northeast from about latitude 60N near the Gulf of Guinea to about latitude 100N south of the Chad basin. It is enclosed within longitudes 80and 110E. It is a linear trough with a strike length of more than 700km and

PALEOENVIRONMENTAL ANALYSIS OUTCROP IN AKPOHA AFIKPO BASIN ...

The Benue Trough of Nigeria is a deep linear sediments filled basin and it extends from the Niger Delta towards the North-East. It is subdivided into Upper, Middle and Lower Benue Trough. The Afikpo Basin lies in the South-Eastern part of the Lower Benue Trough. Hence, the Benue Trough is the older sedimentary

Petroleum Potentials of the Nigerian Benue Trough and ...

(a) Frequency diagrams of magnetic discontinuities showing major structural trends in the Benue Trough through to the Nigerian continental margin (after Benkhelil et al., 1989), (b) NE-SW trending sinistral strike-slip fault at Bima Hill, Northern Benue Trough.

Petrographic and Geochemical Evaluation of Some Mafic ...

Petrographic and Geochemical Evaluation of Some Mafic Rocks in the Southern Benue Trough Southeastern Nigeria Onwualu -John, J.N 1, *, Okengwu, K.O 2. 1 Department of Geology, University of Port Harcourt, Port Harcourt, Nigeria. 2 Department of Geology, University of Port Harcourt, Port Harcourt, Nigeria. B

Alkaline Magmatism in the Lower Benue Trough, Southeastern ...

The Benue Trough is a continental rift related to the opening of the equatorial domain of South Atlantic, and was initiated in the late Jurassic and early Cretaceous times. The megastructure is filled with continental and marine sediments of up to 6,500 m in thickness.

Analysis of aeromagnetic anomalies and structural ...

Geographically, the Benue Trough is arbitrarily partitioned into three sections: the Lower, Middle and Upper Benue Trough. Previous scholars consider the Ikom-Mamfe Embayment as the NW-SE branch component of the NE-SW trending Benue Trough commonly regarded as an adjacent part of the Lower Benue Trough (Fig. 2b). The Oban Massif is positioned at the southern part of the embayment.

The Prospect of Oil and Gas In Northern Nigeria, By ...

The Benue Trough is a major geological formation underlying a large part of Nigeria and extending about 1,000 kilometres northeast from the Bight of Benin to Lake Chad. It is documented that the Chad basin has been forming for thousands of years and for all that time, evidence of crystalline rock has been found under the more recent deposits.

A Bibliography of Geological Studies on the Benue Trough ...

A Bibliography of Geological Studies on the Benue Trough of Nigeria: 2000-2015 Aminu MD 1, Ardo BU * and Jato MA2 1Department of Geology, Modibbo Adama University of Technology, Nigeria 2Department of Environmental Science, Federal University Dutse, Nigeria

Validation of gravity data from the geopotential field ...

Sedimentary basin of Mamfe, the southern part of Benue Trough, underlines lineament L40. The statistical analysis is performed in the rose diagram (Fig. 11). This diagram includes confirmed and revealed lineaments. It translates widely the CVL direction as the major tectonic feature of the study area trending NE–SW.

Hydrocarbon prospectivity of Nigeria's inland basins: From ...

The inland basins of Nigeria comprise the Anambra basin, the lower, middle, and upper Benue trough, the southeastern sector of the Chad basin, the Mid-Niger (Bida) basin, and the Sokoto basin. Organic geochemical and organic petrologic studies indicate that coal beds constitute major potential source rocks in the whole of the Benue trough ...