describe the great valleys of africa
Answers
Answer:
The Rift Valley, also known as the Great Rift Valley or Eastern Rift Valley, is a geological feature due to the movement of tectonic plates and mantle plumes that runs south from Jordan in southwest Asia, through East Africa and down to Mozambique in southern Africa.
Africa's Great Rift Valley is a 6,000-mile crack (fissure) in the earth's crust, stretching from Lebanon to Mozambique. ... Geologists know that the Rift Valley was formed by violent subterranean forces that tore apart the earth's crust.
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Answer:
The Rift Valley, also known as the Great Rift Valley or Eastern Rift Valley, is a geological feature due to the movement of tectonic plates and mantle plumes that runs south from Jordan in southwest Asia, through East Africa and down to Mozambique in southern Africa.
In all the Rift Valley is 4000 miles (6,400 km) long and is 35 miles (64 km) wide on average. It is 30 million years old and exhibits extensive volcanism, having produced Mount Kilimanjaro and Mount Kenya.
The Great Rift Valley is a series of connected rift valleys. Seafloor spreading at the north end of the system created the Red Sea, separating the Arabian Peninsula on the Arabian Plate from the African continent on the Nubian African Plate and will eventually connect the Red Sea and the Mediterranean Sea.
The rifts on the African continent are in two branches and are slowly splitting the horn of Africa from the continent. It is thought that the rifting on the continent is driven by mantle plumes from deep in the earth, thinning crust so it may eventually form a new mid-ocean ridge as eastern Africa is split from the continent. The thinning of the crust has allowed the formation of volcanoes, hot springs, and deep lakes along the rift valleys.