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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 formed, as well as the regional and large scale tectonics of the area. The Niger ...
The delta is fed with sediment from the Niger River, which has the ninth largest drainage area in the world and the third largest in Africa at 2.23 million km 2. [ 5 ] [ 6 ] The delta is 75,000 km 2 in size and reaches a maximum thickness of 12 km in the center of the basin. [ 7 ]
An oil spill in the fishing village of Kegbara-Dere, Rivers State on the Niger Delta. In 2016 Shell paid US$80 million for the spill [1] Petroleum extraction in the Niger Delta has led to many environmental issues. [2] [3] The delta covers 20,000 km 2 (7,700 sq mi) within wetlands, formed primarily by sediment deposition.
The Niger Delta is the delta of the Niger River sitting directly on the Gulf of Guinea on the Atlantic Ocean in Nigeria. [ 1 ] [ 2 ] It is located within nine coastal southern Nigerian states, which include: all six states from the South South geopolitical zone, one state ( Ondo ) from South West geopolitical zone and two states ( Abia and Imo ...
The Niger Delta Basin Development Authority, a parastatal under the supervision of the Federal Ministry of Water Resources, has its headquarters in Port Harcourt, the capital city of Rivers State. The boundaries of the NDBDA include Rivers State, Bayelsa State and 18 Local Government Areas of Delta State. [3] [4] [5]
The geology of Oklahoma is characterized by Carboniferous rocks in the east, Permian rocks in the center and towards the west, and a cover of Tertiary deposits in the panhandle to the west. The panhandle of Oklahoma is also noted for its Jurassic rocks as well.
The Liptako area in the northeast is the terminus of the West African gold belt, which extends from the Atlantic in Ghana. It hosts gold in the Birimian greenstones of Tera-Gasso and Gorouel belts. The gold belt actually extends further east, past the Niger River, but is largely concealed by younger sediments and sedimentary rocks.
Optima Lake was built to be a reservoir in Texas County, Oklahoma.The site is just north of Hardesty and east of Guymon in the Oklahoma Panhandle. [2]The earthen Optima Lake Dam (National ID # OK20510) was completed in 1978 (47 years ago) () by the United States Army Corps of Engineers, with a height of 120 feet (37 m), and a length at its crest of 16,875 feet (5,144 m). [3]