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The Ethiopia-Yemen Continental Flood Basalts or Ethiopian traps that cover much of Ethiopia flowed over both irregular surfaces and peneplains preserving laterite soil beneath. The flood basalts covered initially a much larger area (>750,000 km 2 ) just after eruption about 30 million years ago in the Oligocene with volumes reaching 350,000 km ...
The Danakil Depression is a plain approximately 200 by 50 km (124 by 31 mi), lying in the north of the Afar Region of Ethiopia, near the border with Eritrea. It is about 125 m (410 ft) below sea level and is bordered to the west by the Ethiopian Plateau and to the east by the Danakil Alps , beyond which is the Red Sea.
The Geological Survey of Ethiopia (GSE), formerly known as the Ethiopian Geological Institute, is an autonomous Ethiopian government agency responsible for geological mapping, mineral exploration, data dissemination, drilling and laboratory analysis, developing geo-science skills and providing consultancy services to government and non-governmental organizations.
The Depression overlaps the borders of Eritrea, Djibouti and the entire Afar Region of Ethiopia; and it contains the lowest point in Africa, Lake Assal, Djibouti, at 155 m (509 ft) below sea level. The Awash River is the main waterflow into the region, but it runs dry during the annual dry season, and ends as a chain of saline lakes .
Sanetti Plateau in Ethiopia. Ethiopian wolf with Helichrysum citrispinum - both are endemic species. The Sanetti Plateau is a major plateau of the Ethiopian Highlands, in the Oromia Region of Ethiopia. The plateau is the highest part of the Bale Mountains, and is located within Bale Mountains National Park. [1]
The Blue Nile Basin is a major geological structure in the northwestern Ethiopian Plateau formed in the Mesozoic Era during a period of crustal extension associated with the break-up of Gondwana, and filled with sedimentary deposits. The modern Blue Nile river cuts across part of the sedimentary basin. [1]
The highlands are thus a clearly marked geographic division. In Eritrea, the eastern wall of this plateau runs parallel to the Red Sea from Ras Kasar to Annesley Bay (also known as the Bay of Zula) . It then turns due south into Ethiopia and follows closely the line of 40° E for some 600 km (373 mi). [2]
Volcanic activity started in the central Ethiopian plateau around 30 million years ago, long before rifting began. The first period of activity deposited flood basalts and rhyolites from 500 metres (1,600 ft) to 2,000 metres (6,600 ft) thick. Uplift of the Ethiopian plateau began around this time or soon after.