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A map of East Africa showing some of the historically active volcanoes (as red triangles) and the Afar Triangle (shaded at the center), which is a so-called triple junction (or triple point) where three plates are pulling away from one another: the Arabian plate and two parts of the African plate—the Nubian and Somali—splitting along the East African Rift Zone Main rift faults, plates ...
Ol Doinyo Lengai is part of the Gregory Rift, [1] which is part of the active East African Rift. The East African Rift is a continental rift extending from eastern to southern Africa over a length of 4,000 kilometres (2,500 mi), [21] where there is high heat flow through a thinner crust. [22] In the Gregory Rift, spreading began about 1.2 ...
The Gelai Volcano (2942 m) is visible at the top, and the Kitumbeine volcano. The East African Rift follows the Red Sea to the end before turning inland into the Ethiopian highlands, dividing the country into two large and adjacent but separate mountainous regions.
Geologists predict that in about 10 million years the whole 6,000 km (3,700 mi) length of the East African Rift will be submerged, forming a new ocean basin as large as today's Red Sea, and separating the Somali plate and the Horn of Africa from the rest of the continent. [9] The floor of the Afar Depression is composed of lava, mostly basalt.
The Great Rift Valley of Ethiopia, (or Main Ethiopian Rift or Ethiopian Rift Valley) is a branch of the East African Rift that runs through Ethiopia in a southwest direction from the Afar triple junction. In the past, it was seen as part of a "Great Rift Valley" that ran from Mozambique to Syria. Known for its scenery and diverse wildlife in ...
There are many active volcanic areas centralized in the East African Rift System in comparison to the other areas in the Afro-Arabian rift system. Many protruding horsts show successive layers of flood basalts, which can be approximately dated using 40 Ar/ 39 Ar-isotope dating. It is found to be approximately 30 million years old. [1]
Researchers' new insight into the splitting process of the East Africa Rift systems show where an ocean will likely be formed if the continent's split continues.
The south and west of the area are volcanic highlands, including the famous Ngorongoro Crater and the lesser-known Empakaai Crater. The southern and eastern boundaries are approximately defined by the rim of the East African Rift wall, which also prevents animal migration in these directions. [citation needed]