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Tanezrouft
The Tanezrouft ((アラビア語:تنزروفت)) is a natural region located along the borders of Algeria, Niger and Mali, west of the Hoggar mountains. It is one of the most desolate parts of the Sahara Desert.
==Geographic features==
Tanezrouft is a barren plain extending to the west of the Hoggar mountains and to the southeast of the sandy Erg Chech. It is composed of differing materials: the Tanezrouft contains mostly sandstone deposits, whereas the Hoggar formations are metamorphic rocks.〔(http://www.hoggar.org )〕
The Tanezrouft's sandstone hills contain steep canyon walls, some rising to 500 meters elevation. Numerous sand dunes rise from sandy stretches, interspersed with sandstone outcrops. The terrain shows stark evidence of long-ago water erosion (when the Sahara Desert's climate was much wetter; present annual rainfall is much less than 20 mm). In the present era the terrain is being shaped by wind erosion, which occurs much faster than in other areas, since there is little or no vegetation to hold the surface in place.〔hoggar.org〕 The area is known for aridity and extreme heat, and high temperatures in summer can easily reach 52 °C (125.6 °F) or more.
Tanezrouft has been long-shunned by nearby civilizations (it is known as "Land of Thirst").〔hoggar.org〕 A trade route may have connected the area with Ghadames and the Hoggar, since perhaps 500 BC.〔Morgan and Hugh〕 It is now spanned north-south by a trans-Saharan motor route, from Béchar in Algeria to Gao in Mali. Poste Maurice Cortier is a fueling station along the route. Tanezrouft is nearly uninhabited; its few nomadic dwellers are of the Tuareg people. There is a vast water-bearing stratum a few thousand feet below the dry lifeless desert surface.〔Encyclopædia Britannica〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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