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Emi Koussi (also known as Emi Koussou [3]) is a high pyroclastic shield [1] volcano that lies at the southeast end of the Tibesti Mountains in the central Sahara, in the northern Borkou Region of northern Chad. The highest mountain of the Sahara, the volcano is one of several in the Tibesti range, and reaches an elevation of 3,415 metres ...
Adrar Region, Mauritania. Native name. قلب الريشات. The Richat Structure, or Guelb er Richât (Arabic: قلب الريشات, romanized: Qalb ar-Rīšāt, Hassaniyya: [galb er.riːʃaːt] ⓘ), is a prominent circular geological feature in the Adrar Plateau of the Sahara. It is located near Ouadane in the Adrar Region of Mauritania.
Tibesti Mountains. The Tibesti Mountains are a mountain range in the central Sahara, primarily located in the extreme north of Chad, with a small portion located in southern Libya. The highest peak in the range, Emi Koussi, lies to the south at a height of 3,415 meters (11,204 ft) and is the highest point in both Chad and the Sahara.
The Sahara (/ s ə ˈ h ɑːr ə /, / s ə ˈ h ær ə /) is a desert spanning across North Africa.With an area of 9,200,000 square kilometres (3,600,000 sq mi), it is the largest hot desert in the world and the third-largest desert overall, smaller only than the deserts of Antarctica and the northern Arctic.
Radiometric dating has yielded an age of about 200,000 years, but other circumstantial evidence points to a formation of the volcano during Holocene or even historical times. Waw an Namus is characterized by a caldera surrounded by an apron of dark tephra, which has a notable colour contrast to the surrounding desert terrain of the Sahara.
Egypt. In Egypt, the Western Desert is an area of the Sahara that lies west of the river Nile, up to the Libyan border, and south from the Mediterranean Sea to the border with Sudan. It is named in contrast to the Eastern Desert which extends east from the Nile to the Red Sea. The Western Desert is mostly rocky desert, though an area of sandy ...
Tassili n'Ajjer is a plateau in southeastern Algeria at the borders of Libya, Niger, and Mali, covering an area of 72,000 km 2. [ 2 ] It ranges from 26°20′N5°00′E / 26.333°N 5.000°E east-south-east to 24°00′N10°00′E / 24.000°N 10.000°E. Its highest point is the Adrar Afao that peaks at 2,158 m (7,080 ft), located at ...
A volcanic desert is an area largely or completely devoid of vegetation because of volcanic activity. The term is usually applied to larger areas such as the Highlands of Iceland, the Rangipo Desert in New Zealand or Cordón Caulle in Chile. Occasionally though, it is used for relatively small regions such as the Kaʻū Desert on the island of ...