What is the African Rift Zone?

A narrow zone, the rift is a developing divergent tectonic plate boundary where the African Plate is in the process of splitting into two tectonic plates, called the Somali Plate and the Nubian Plate, at a rate of 6–7 mm (0.24–0.28 in) per year.

What is the rift in Africa called?

East African Rift System, also called Afro-Arabian Rift Valley, one of the most extensive rifts on Earth’s surface, extending from Jordan in southwestern Asia southward through eastern Africa to Mozambique.

What type of plate boundary is the African rift Zone?

The East African Rift Valley (EAR) is a developing divergent plate boundary in East Africa. Here the eastern portion of Africa, the Somalian plate, is pulling away from the rest of the continent, that comprises the Nubian plate.

Where is the African rift Zone?

The East African Rift Valley stretches over 3,000km from the Gulf of Aden in the north towards Zimbabwe in the south, splitting the African plate into two unequal parts: the Somali and Nubian plates.

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What and where is the African rift valley?

Africa’s Great Rift Valley is a 6,000-mile crack (fissure) in the earth’s crust, stretching from Lebanon to Mozambique. One of its most dramatic sections slices through East Africa, dividing Kenya into two segments.

What constitutes a rift zone like the one in Eastern Africa?

A narrow zone, the rift is a developing divergent tectonic plate boundary where the African Plate is in the process of splitting into two tectonic plates, called the Somali Plate and the Nubian Plate, at a rate of 6–7 mm (0.24–0.28 in) per year.

Where is the great rift?

The Great Rift Valley lies in the west of Kenya: this deep crevice between 2 plates in the earth’s crust runs from Mozambique in south-eastern Africa to Syria in Asia. Thousands of kilometres of the Great Rift lie in East Africa.

What is a rift in plate tectonics?

A rift valley is a lowland region that forms where Earth’s tectonic plates move apart, or rift. Rift valleys are found both on land and at the bottom of the ocean, where they are created by the process of seafloor spreading. … Tectonic plates are huge, rocky slabs of Earth’s lithosphere—its crust and upper mantle.

Is the African Plate convergent or divergent?

Boundaries. The western edge of the African Plate is a divergent boundary with the North American Plate to the north and the South American Plate to the south which forms the central and southern part of the Mid-Atlantic Ridge.

What is the Y shaped region in eastern Africa known as?

Triple Junction: The Red Sea/East Africa. The Afar region in Northern Ethiopia is the centre of a “Y” shaped rift system, where the continental lithosphere is being stretched and is splitting.

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What does rift mean in science?

rift 1. / (rɪft) / noun. a gap or space made by cleaving or splitting; fissure. geology a long narrow zone of faulting resulting from tensional stress in the earth’s crust.

Why is the Rift Valley important to Africa?

The system of rift valleys that characterizes the African continent represents a perfect environment to understand the evolution of mankind; for the important paleoanthropological discoveries in Ethiopia, Kenya, Tanzania, Uganda and Zaire, the African rift valleys are indeed considered the “cradle of mankind”, that is …

How fast is Africa splitting apart?

The three plates are separating at different speeds. The Arabian plate is moving away from Africa at a rate of about 1 inch per year, while the two African plates are separating even slower, between half an inch to 0.2 inches per year, according to Macdonald.

Where is rift valley in Kenya?

The Great Rift Valley is part of an intra-continental ridge system that runs through Kenya from north to south.

Lakes.

UNESCO World Heritage Site
Location Rift Valley Province, Kenya
Includes Lake Elementaita Lake Nakuru Lake Bogoria
Criteria Natural: (vii), (ix), (x)

Where are valleys found in Africa?

Escape the hustle and bustle of Marrakech and head for the breathtaking Atlas Mountains, visiting the 5 valleys that make the region famous: Ourika, Oukaimeden, having traditional berber lunch in Sidi Fares valley and discover more captivating scenery by continuing to Asni and Tahnaout valleys.

Where is the rift valley in Ethiopia?

The Great Rift Valley lies between the Ethiopian Plateau to the north and the Somalia Plateau to the south. The rift developed as the Nubian and Somali plates began to separate during the Miocene Period along the East African rift system.

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