How many basement complex do we have in Nigeria?

The Precambrian Basement Complex of Nigeria is exposed in five major locations, namely: Northeastern zone, Southwestern zone, Southeastern zone (extension of the Bamenda Massif into Nigeria), Northeastern zone (the Hawal massif) and South-southeastern (the Oban Massif) (Obiora, 2005).

What is a basement complex?

Definition of basement complex 1 : the assemblage of metamorphic and igneous rocks underlying stratified rocks in a particular region. 2 : the Archean rocks — compare fundamental complex.

What is the oldest sedimentary basin in Nigeria?

Oldest Cretaceous sediments of the Benue Basin include marine black shales, often carbonaceous and pyrite-rich, in the lower part of the basin (south).

How many basins are in Nigeria?

In Nigeria there are eight main river basins, i.e. the Benue, Delta and Cross Rivers, the Imo-Anambra, Hadejia-Chad, Sokoto-Rima, Niger, Owena and Ogun, and Osun Basins.

What are younger granite?

The Younger Granites are a group of granitic massffs which are discordantly intrusive into the Pre- Cambrian Basement Complex in Northern Nigeria. They are high-level, magmatic granites with sharply defined, cross-cutting contacts against the older rocks. The Younger Granites cannot be related to any cycle of orogeny.

What is sedimentary zone?

Sedimentary basins are regions of the Earth where long-term subsidence creates accommodation space for accumulation of sediments. As the sediments are buried, they are subject to increasing pressure and begin the processes of compaction and lithification that transform them into sedimentary rock.

What are the different types of basements?

There are 3 basic types of basements:

  • Masonry Wall Basements. The basement walls are constructed with masonry block units.
  • Precast Panel Basements.
  • Poured Concrete Wall Basements.
  • Choose the basement entrance carefully.
  • Stairway design.
  • Include windows.
  • Vary lighting.
  • Don’t scrimp on finishes.

How many rock do we have in Nigeria?

The list of five major rocks in Nigeria includes: Olumo Rock. Zuma Rock. Aso Rock.

How many sedimentary basins do we have in Nigeria?

three sedimentary basins
The three sedimentary basins in Nigeria are underlain by continental crust except in the Niger delta, where the basement rock is interpreted to be oceanic crust.

Which is the deepest river in Nigeria?

River Ethiope
Of Nigeria’s rivers, River Ethiope stands out. It is believed to be the deepest inland waterway in Africa.