How was Niger Delta formed?
How was Niger Delta formed?
The Niger Delta Basin was formed by a failed rift junction during the separation of the South American plate and the African plate, as the South Atlantic began to open. Also at this time syn-rift sands and then shales were deposited in the late Cretaceous. This indicates that the shoreline regressed during this time.
How many oil spills did Niger Delta have?
Since 2014 Eni has reported 820 spills in the Niger Delta, with 26,286 barrels or 4.1 million litres lost. Since 2011, Shell has reported 1,010 spills, with 110,535 barrels or 17.5 million litres lost. That’s about seven Olympic swimming pools. These are huge numbers, but the reality may be even worse.
What is found in Niger Delta?
The Niger delta is a vast low-lying region through which the waters of the Niger River drain into the Gulf of Guinea. Characteristic landforms in this region include oxbow lakes, river meander belts (see meander), and prominent levees. Large freshwater swamps give way to brackish mangrove…
What is Depobelt?
Each depobelt is a separate unit that corresponds to a break in regional dip of the delta and is bounded landward by growth faults and seaward by large counter-regional faults or the growth fault of the next seaward belt (Evamy and others, 1978; Doust and Omatsola, 1990).
Why is the Niger Delta important?
The delta is a petroleum-rich region and has been the center of international concern over pollution that has resulted principally from major oil spills of multinational corporations of the petroleum industry.
What is the cause of Niger Delta crisis?
A primary cause of this is the effect crude oil spills have on crops in the given area. According to a Stanford University article, Oil Pollution in the Niger Delta, there has been an estimation of 240,000 barrels of oil being spilled annually onto the Niger Delta region.
How many basins do we have 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 is the relationship between Igbo and Niger Delta?
The Igbo thus form a bridge of cultures in a landscape of history which needs no further annexation. In actual fact, the Igbo stake in the Niger Delta is the Niger delta. Mr. Clark should face up to the fact and understand that whether he likes the Igbo or not, he cannot just wish them away.
Where is the northern boundary of the Niger Delta?
The onshore portion of the Niger Delta Province is delineated by the geology of southern Nigeria and southwestern Cameroon ( fig. 1 ). The northern boundary is the Benin flank–an east-northeast trending hinge line south of the West Africa basement massif.
Where does oil come from in the Niger Delta?
Oil is produced from sandstone facies within the Agbada Formation, however, turbidite sand in the upper Akata Formation is a potential target in deep water offshore and possibly beneath currently producing intervals onshore. Known oil and gas resources of the Niger Delta rank the province as the twelfth largest in the world.
How big is the Tertiary Niger Delta province?
The province covers 300,000 km 2 and includes the geologic extent of the Tertiary Niger Delta (Akata-Agbada) Petroleum System. The tectonic framework of the continental margin along the West Coast of equatorial Africa is controlled by Cretaceous fracture zones expressed as trenches and ridges in the deep Atlantic.
How are gravity tectonics used in the Niger Delta?
For any given depobelt, gravity tectonics were completed before deposition of the Benin Formation and are expressed in complex structures, including shale diapirs, roll-over anticlines, collapsed growth fault crests, back-to-back features, and steeply dipping, closely spaced flank faults (Evamy and others, 1978; Xiao and Suppe, 1992).