Dhar Adrar
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The Adrar (,
Berber Berber or Berbers may refer to: Ethnic group * Berbers, an ethnic group native to Northern Africa * Berber languages, a family of Afro-Asiatic languages Places * Berber, Sudan, a town on the Nile People with the surname * Ady Berber (1913–196 ...
for "mountain") is a highland
natural Nature, in the broadest sense, is the physical world or universe. "Nature" can refer to the phenomena of the physical world, and also to life in general. The study of nature is a large, if not the only, part of science. Although humans are p ...
and
historical region Historical regions (or historical areas) are geographical regions which at some point in time had a cultural, ethnic An ethnic group or an ethnicity is a grouping of people who identify with each other on the basis of shared attributes that ...
of the Sahara Desert in northern
Mauritania Mauritania (; ar, موريتانيا, ', french: Mauritanie; Berber: ''Agawej'' or ''Cengit''; Pulaar: ''Moritani''; Wolof: ''Gànnaar''; Soninke:), officially the Islamic Republic of Mauritania ( ar, الجمهورية الإسلامية ...
. The Adrar Region, an administrative division of Mauritania, is named after the traditional region. It is sometimes called Adrar Tamar to distinguish it from other areas called Adrar in the Sahara.


Geography

The Adrar is an arid
plateau In geology and physical geography, a plateau (; ; ), also called a high plain or a tableland, is an area of a highland consisting of flat terrain that is raised sharply above the surrounding area on at least one side. Often one or more sides ha ...
, known for its gorges, regs (stony deserts) and
sand dune A dune is a landform composed of wind- or water-driven sand. It typically takes the form of a mound, ridge, or hill. An area with dunes is called a dune system or a dune complex. A large dune complex is called a dune field, while broad, fl ...
s. Structurally the Adrar is a low central massif which rises to over above sea level just east of Atar near the
Amojjar Pass Amojjar Pass is a mountain pass in the Adrar Plateau in the centre of Adrar, near Atar, Mauritania. The pink-brown sandstone of the pass was worn away by repeated cycles of extreme dryness interrupted by torrential rain. The bases of the steep ...
on the track to Chinguetti, then loses elevation and becomes subsumed by dunes to the south and east. Limited cultivation is only possible in the gorges at lower elevations such like oued Seguellil where the water table is high enough to support large palm groves. Notable features include the Oued el Abiod or 'White Valley', a dune-filled fault line along which many small settlements and palm groves are found. The Guelb Aouelloul crater is 3.1 million-old impact crater which was studied by the noted Saharan scholar,
Théodore Monod Théodore André Monod (9 April 1902 – 22 November 2000) was a French naturalist, humanist, scholar and explorer. Exploration Early in his career, Monod was made professor at the ''Muséum national d'histoire naturelle'' and founded the '' Inst ...
. To the east beyond Ouadane is the distinctive Richat Structure, an uplifted and then heavily eroded dome of strata approximately 40 km across and whose concentric rings resemble an impact crater when observed from space. The Adrar region is home to a small human population, centered on the town of Atar. The ancient town of
Ouadane , settlement_type = Commune and town , image_skyline = OuadaneOldTown1.jpg , imagesize = , image_caption = Old tower, Ouadane , image_flag = , im ...
, formerly an important
caravan Caravan or caravans may refer to: Transport and travel *Caravan (travellers), a group of travellers journeying together **Caravanserai, a place where a caravan could stop *Camel train, a convoy using camels as pack animals *Convoy, a group of veh ...
and gold-trading centre, is located towards the eastern edge of the Adrar. Chinguetti is another important historical town in the region.


History

The Adrar was settled in the
Neolithic The Neolithic period, or New Stone Age, is an Old World archaeological period and the final division of the Stone Age. It saw the Neolithic Revolution, a wide-ranging set of developments that appear to have arisen independently in several parts ...
era as shown by cave and rock paintings found in the area such as the
Agrour Amogjar The Agrour Amogjar is a 690 m high peak near the Amogjar Pass, in the Adrar plateau of central Mauritania. Its small natural shelters house a rich collection of rock painting In archaeology, rock art is human-made markings placed on natural ...
. The more recent
arid A region is arid when it severely lacks available water, to the extent of hindering or preventing the growth and development of plant and animal life. Regions with arid climates tend to lack vegetation and are called xeric or desertic. Most ar ...
ification has left much of the
archaeology Archaeology or archeology is the scientific study of human activity through the recovery and analysis of material culture. The archaeological record consists of artifacts, architecture, biofacts or ecofacts, sites, and cultural landscap ...
intact, most notable several
stone circle A stone circle is a ring of standing stones. Most are found in Northwestern Europe – especially in Britain, Ireland, and Brittany – and typically date from the Late Neolithic and Early Bronze Age, with most being built from 3000 BC. The be ...
s, e.g. Atar Stone Circle, and the later town of
Azougui Azougui (or Azuggi, ar, آزوكي) was a town in north western Mauritania, lying on the Adrar Plateau, north west of Atar. In the eleventh century it was the first capital of the Almoravid dynasty, who conquered a territory stretching from the ...
. Beginning in the mid-17th century, migrants from the Adrar Plateau region moved into the Tagant Plateau and displaced the native population.James L. A. Webb , ''Desert Frontier: Ecological and Economic Change Along the Western Sahel'', p.50.


Features of the Adrar

File:Adrar-Henné.jpg,
Henna Henna is a dye prepared from the plant ''Lawsonia inermis'', also known as the henna tree, the mignonette tree, and the Egyptian privet, the sole species of the genus ''Lawsonia''. ''Henna'' can also refer to the temporary body art resulting fr ...
design on the hand of a girl of the region File:Adrar sands.JPG, A sandy area west of Chinguetti File:Adrar-Scarecrows.JPG, A stone
cairn A cairn is a man-made pile (or stack) of stones raised for a purpose, usually as a marker or as a burial mound. The word ''cairn'' comes from the gd, càrn (plural ). Cairns have been and are used for a broad variety of purposes. In prehis ...
File:Adrar-Coloquintes.jpg, Colocynths in the Adrar desert File:Adrar (17).jpg, A postbox in the airport of Atar, the Adrar's main town


See also

*
Geography of Mauritania Mauritania, a country in the western region of the continent of Africa, is generally flat, its 1,030,700 square kilometres forming vast, arid plains broken by occasional ridges and clifflike outcroppings. Mauritania is the world’s largest cou ...


References

{{reflist


External links


UNESCO: "Ancient Ksour of Ouadane, Chinguetti, Tichitt and Oualata"The Adrar - Lonely Planet
Landforms of Mauritania Plateaus of Africa Geologic formations with imbedded sand dunes Serer history Geologic formations of Africa Natural regions of Africa Historical regions