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The geology of Benin in West Africa includes the north-northeast trending Proterozoic Dahomeyide orogen in the north and a range of Cretaceous to Holocene sedimentary rocks in the south, separated very closely by the 7th latitude. [1]: 42 Neogene alluvial deposits extend across Benin’s northeastern border with Niger. In the Togo and Benin ...
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The Niger delta basin is one of the largest subaerial basins in Africa. It has a subaerial area of about 75,000 km 2 , a total area of 300,000 km 2 , and a sediment fill of 500,000 km 3 . [ 1 ] The sediment fill has a depth between 9–12 km. [ 2 ] It is composed of several different geologic formations that indicate how this basin could have ...
The geology of Africa is varied and complex, and gives rise to the wide variety of landscapes found across the continent. The African continent rests over two main plates. The African Plate , accounting for the whole of north Africa, and the Somali Plate , which accounts for the eastern side of mid and southern Africa. [ 1 ]
The oldest Precambrian rocks in Nigeria likely formed during the Archean or the Paleoproterozoic, forming the Beninian gneiss, in the Benin-Nigeria Orogen, formed during the Proterozoic Pan-African orogeny. The crystalline basement rock of the country is grouped as the Nigerian Province, a southern continuation of the central Hoggar reactivated ...
West and Central African Rift System: Benue Trough to the west in Nigeria. 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 West and Central African Rift System. [1]
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