El Djouf ( ar, الجوف) is a desert, an
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 ...
natural region
A natural region (landscape unit) is a basic geographic unit. Usually, it is a region which is distinguished by its common natural features of geography, geology, and climate.
From the ecological point of view, the naturally occurring flora and ...
of sand dunes and rock salt which covers northeastern
Mauritania and part of northwestern
Mali
Mali (; ), officially the Republic of Mali,, , ff, 𞤈𞤫𞤲𞥆𞤣𞤢𞥄𞤲𞤣𞤭 𞤃𞤢𞥄𞤤𞤭, Renndaandi Maali, italics=no, ar, جمهورية مالي, Jumhūriyyāt Mālī is a landlocked country in West Africa. Mal ...
. El Djouf is a part of the
Sahara Desert
, photo = Sahara real color.jpg
, photo_caption = The Sahara taken by Apollo 17 astronauts, 1972
, map =
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in the north. El Djouf is 320 meters (1,050 feet) above sea level.
A
meteorite of a rare type of
carbonaceous chondrite was found in El Djouf in October 1989.
Geographic features
The El Djouf consists in a typical
Africa
Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...
n type of broad shallow
sedimentary basin
Sedimentary basins are region-scale depressions of the Earth's crust where subsidence has occurred and a thick sequence of sediments have accumulated to form a large three-dimensional body of sedimentary rock. They form when long-term subside ...
, separated by divides formed by
fault blocks,
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 ...
s and
mountain ranges
A mountain range or hill range is a series of mountains or hills arranged in a line and connected by high ground. A mountain system or mountain belt is a group of mountain ranges with similarity in form, structure, and alignment that have arise ...
, where rock waste eroded from higher surfaces has been deposited at the base.
Other significant basins of this type are those of
Lake Chad and the
Victoria
Victoria most commonly refers to:
* Victoria (Australia), a state of the Commonwealth of Australia
* Victoria, British Columbia, provincial capital of British Columbia, Canada
* Victoria (mythology), Roman goddess of Victory
* Victoria, Seychelle ...
-
Kyoga lake basin, as well as the
Congo and
Zambezi
The Zambezi River (also spelled Zambeze and Zambesi) is the fourth-longest river in Africa, the longest east-flowing river in Africa and the largest flowing into the Indian Ocean from Africa. Its drainage basin covers , slightly less than hal ...
rivers.
[Martins, Lina, Krecek, Josef (Eds.), ''Environmental Reconstruction in Headwater Areas''. p. 201]
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 co ...
*
Sahara Desert
, photo = Sahara real color.jpg
, photo_caption = The Sahara taken by Apollo 17 astronauts, 1972
, map =
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, location =
, country =
, country1 =
, ...
References
External links
El Djouf 001 in the World Meteorite Catalogue Database
Sedimentary basins of Africa
Geology of Mali
Geology of Mauritania
Landforms of Mali
Landforms of Mauritania
Deserts of Africa
Ergs of Africa
Basins of Africa
Sahara
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