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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 ...
The East African Rift system plays a key role in Tanzania's current day structural geology. Graben rift valleys often have volcanism associated with them. The Western Rift is filled with Lake Tanganyika and Lake Nyasa, while the section from Lake Natron to Lake Nyasa is part of the Eastern Rift (also known as the Gregory Rift).
Map of the Great Rift Valley. The Great Rift Valley (Swahili: Bonde la ufa) is a series of contiguous geographic depressions, approximately 6,000 or 7,000 kilometres (4,300 mi) in total length, the definition varying between sources, that runs from the southern Turkish Hatay Province in Asia, through the Red Sea, to Mozambique in Southeast Africa.
A simplified geologic map of the Afar Depression. The Afar Depression is the product of a tectonic triple-rifts junction (the Afar triple junction), where the spreading ridges forming the Red Sea and the Gulf of Aden emerge on land and meet the East African Rift. The conjunction of these three plates of Earth's crust is near Lake Abbe.
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 African Great Lakes system, (in blue) Map of larger region including the East African Rift and the entire so-called Great Rift Valley. The African Great Lakes (Swahili: Maziwa Makuu; Kinyarwanda: Ibiyaga bigari) are a series of lakes constituting the part of the Rift Valley lakes in and around the East African Rift.
A geological anomaly along the The East African Rift System has long stumped scientists—until now. A New Discovery May Help Predict When Africa Will Ultimately Split in Two Skip to main content