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21-725: The name of Relizane comes from the Berber ⵉⵖⵉⵍ ⵉⵣⵣⴰⵏ (Iɣil Izzan) which means “burnt / grilled hill” . The Turks built a bordj there, hence the name Bordj Ighil Izan , to control the road to Oran. The population is mainly from the Flittas and Beni-Ouragh of Ouarsenis . The topography within 2 miles of Relizane is only modest variations in elevation, with a maximum elevation change of 210 feet and an average elevation above sea level of 230 feet. Within 16 kilometers, slight variations in altitude only (533 meters). Within 80 kilometers, very significant variations in altitude (1,268 meters). The region within

42-440: A 3 kilometer radius of Relizane is covered by cultivated land (47%), artificial surfaces (31%) and sparse vegetation (11%), within a 16 kilometer radius by cultivated land (53 %) and sparse vegetation (31%) and within a radius of 80 kilometers by cultivated land (47%) and sparse vegetation (17%). n Relizane, the summers are short, sweltering, arid, and mostly clear and the winters are long, cool, windy, and partly cloudy. During

63-602: A new face. In the meantime the European population is increasing. The French come from the South ( Gard ) and the Spaniards from Valencia , Alicante , Murcia , Almería . About twenty farms cultivated cotton. The city then experienced a prodigious development, but disease, drought, insufficient harvests slowed down any progress. Let us add to the natural disaster, the events which preceded the imperial voyage5 and whose aftermath [Which?] Were

84-598: Is a group of mountain ranges with similarity in form, structure, and alignment that have arisen from the same cause, usually an orogeny . Mountain ranges are formed by a variety of geological processes, but most of the significant ones on Earth are the result of plate tectonics . Mountain ranges are also found on many planetary mass objects in the Solar System and are likely a feature of most terrestrial planets . Mountain ranges are usually segmented by highlands or mountain passes and valleys . Individual mountains within

105-525: Is at work while the mountains are being uplifted until the mountains are reduced to low hills and plains. The early Cenozoic uplift of the Rocky Mountains of Colorado provides an example. As the uplift was occurring some 10,000 feet (3,000 m) of mostly Mesozoic sedimentary strata were removed by erosion over the core of the mountain range and spread as sand and clays across the Great Plains to

126-419: Is inhabited by Berbers . The mountain forests are home to several animals such as wolves, foxes, caracals, boars, hyenas, hedgehogs. The area was previously inhabited by lions and panthers. Jean Auguste Margueritte reported that a single person from Beni Mahrez tribe near Theniet El Hed killed 14 lions and 3 panthers in the 1840s. Although part of its slopes have been used traditionally to grow cereals,

147-935: Is located at about 80 km south of the Mediterranean , between the basin of the Chelif River in the north and in the east, the Oued Mina in the west and the Sersou plateau in the south. It reaches its maximum elevation of 1,985 m at the Mount Sidi Amar , near Bordj Bounaama at about 60 km west of Tissemsilt . Other important summits are Achaoun (1808 m), Djebel Meddad (1787 m), Kef Siga (1784 m), Sra Abdelkader (1776), Ras El Brarit (1750 m), Mont Belkheiret (1620 m), Djebel Amrouna (1512 m), Mount Tamedrara, and Rond Point des Cèdres (1461 m), Rokba Atba (1300 m). The mountain range area

168-823: The Alpide belt . The Pacific Ring of Fire includes the Andes of South America, extends through the North American Cordillera , the Aleutian Range , on through Kamchatka Peninsula , Japan , Taiwan , the Philippines , Papua New Guinea , to New Zealand . The Andes is 7,000 kilometres (4,350 mi) long and is often considered the world's longest mountain system. The Alpide belt stretches 15,000 km across southern Eurasia , from Java in Maritime Southeast Asia to

189-538: The Annamite Range . If the definition of a mountain range is stretched to include underwater mountains, then the Ocean Ridge forms the longest continuous mountain system on Earth, with a length of 65,000 kilometres (40,400 mi). The position of mountain ranges influences climate, such as rain or snow. When air masses move up and over mountains, the air cools, producing orographic precipitation (rain or snow). As

210-772: The Iberian Peninsula in Western Europe , including the ranges of the Himalayas , Karakoram , Hindu Kush , Alborz , Caucasus , and the Alps . The Himalayas contain the highest mountains in the world, including Mount Everest , which is 8,848 metres (29,029 ft) high. Mountain ranges outside these two systems include the Arctic Cordillera , Appalachians , Great Dividing Range , East Siberians , Altais , Scandinavians , Qinling , Western Ghats , Vindhyas , Byrrangas , and

231-511: The Spanish Civil War (see Retirada). The population of Relizane took part in the national liberation struggle and made the city part of the contemporary history of Algeria against French colonization. Ouarsenis The Ouarsenis or Ouanchariss ( Berber language : ⵡⴰⵔⵙⵏⵉⵙ, Warsnis (meaning "nothing higher") Adrar en Warsnis , Arabic : الونشريس ) is a mountain range and inhabited region in northwestern Algeria . The range

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252-511: The Arab warriors led by Moussa Ibn Noçaïr settled in the city. In the nineteenth century, agriculture was very often threatened by frequent droughts. It was not in 1852 that French troops occupied Relizane, a colonial settlement center was created by imperial decree on February 27, 1857, and was elevated to the rank of a full-service commune on February 5, 1871. In 1844 , the French engineers repaired

273-623: The air descends on the leeward side, it warms again (following the adiabatic lapse rate ) and is drier, having been stripped of much of its moisture. Often, a rain shadow will affect the leeward side of a range. As a consequence, large mountain ranges, such as the Andes, compartmentalize continents into distinct climate regions . Mountain ranges are constantly subjected to erosional forces which work to tear them down. The basins adjacent to an eroding mountain range are then filled with sediments that are buried and turned into sedimentary rock . Erosion

294-485: The east. This mass of rock was removed as the range was actively undergoing uplift. The removal of such a mass from the core of the range most likely caused further uplift as the region adjusted isostatically in response to the removed weight. Rivers are traditionally believed to be the principal cause of mountain range erosion, by cutting into bedrock and transporting sediment. Computer simulation has shown that as mountain belts change from tectonically active to inactive,

315-540: The fertility of its grounds and the richness of its soil. Relizane is founded on the location of the ancient Roman Castellum de Mina . In the year 430 AD , the Vandals occupied North Africa and destroyed many cities. At that time, the city of Mina represented the region in the Carthage Ecclesiastical Council for 484 AD and 525 AD . Islam made its appearance in the western region in 681, in 719-720

336-460: The main reason for the incident 6 of May 1865 . In the south of Oran the revolt of the Ouled Sidi Cheikh broke out, a revolt due to discontent of the population since 1860. The disillusions and promises [Which?] not kept by the occupier are at the origin of one of the biggest insurrections which will last until 1896 . A labor camp is used to imprison Spanish Republican refugees at the end of

357-483: The old dam (the old hydraulic works, partially restored in the 18th century). In 1853 , the first Europeans settled in the plain and cultivated small areas of wheat and barley plus a few areas of tobacco that were quickly abandoned ( malaria decimated entire populations at the time). But the creation of Relizane was not decided until January 1857. Since then, certain houses built after the Algiers - Oran railway have given it

378-515: The range still has relatively large natural Atlas cedar forests. The Théniet El Had National Park is a protected area located in the foothills of the Ouarsenis Range. This Algeria location article is a stub . You can help Misplaced Pages by expanding it . Mountain range 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

399-617: The rate of erosion drops because there are fewer abrasive particles in the water and fewer landslides. Mountains on other planets and natural satellites of the Solar System, including the Moon , are often isolated and formed mainly by processes such as impacts, though there are examples of mountain ranges (or "Montes") somewhat similar to those on Earth. Saturn 's moon Titan and Pluto , in particular, exhibit large mountain ranges in chains composed mainly of ices rather than rock. Examples include

420-521: The same mountain range do not necessarily have the same geologic structure or petrology . They may be a mix of different orogenic expressions and terranes , for example thrust sheets , uplifted blocks , fold mountains, and volcanic landforms resulting in a variety of rock types . Most geologically young mountain ranges on the Earth's land surface are associated with either the Pacific Ring of Fire or

441-522: The year, the temperature generally ranges from 7°C to 38°C and is rarely below 3°C or above 42°C. The history of the region dates back to the time of the Kingdom of Numidia which was between 203 and 213 BC . The region takes its name from a stream called Mina. The region of Mina knows under the Roman domination which lasted nearly five centuries, its apogee in the agricultural and commercial development because of

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