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The Tibesti Mountains Rising Above the Sahara Desert

21.6N 17.5E

May 9th, 2009 Category: Volcanoes

Chad and Libya - April 13th, 2009

Chad and Libya - April 13th, 2009

The Tibesti Mountains, the brown area on the left, are a group of dormant volcanoes forming a mountain range in the central Sahara desert in the Bourkou-Ennedi-Tibesti Region of northern Chad. The northern slopes extend a short distance into southern Libya, visible at the top.

The mountains are the largest and highest range in the Sahara, whose golden sands can be seen here curving around the base of the range.

The highest peak is Emi Koussi, 3,415 m. Other summits include Kegueur Terbi (3,376 m), Tarso Taro (3,325 m), the active volcano Pic Tousside (3,265 m) and Soborom (3,100 m).

While the high peaks themselves are all constituted of volcanic material, the mountains stand on broad uplifted area possibly caused by a mantle plume.

The range has a substantially wetter climate than the arid surrounding desert; annual rainfall is estimated at five inches (12 cm) in some of the highest areas of the mountains.

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