geomorphology Geomorphology (from Ancient Greek: , ', "earth"; , ', "form"; and , ', "study") is the scientific study of the origin and evolution of topographic and bathymetric features created by physical, chemical or biological processes operating at or ...

, an erg is a large desert region of sand dunes with little or no vegetation,it is divided into 3 parts back erg ,central erg,fore erg, especially in the

Sahara , photo = Sahara real color.jpg , photo_caption = The Sahara taken by Apollo 17 astronauts, 1972 , map = , map_image = , location = , country = , country1 = , ...

. This is a list of ergs around the world.

Africa

;

Algeria ) , image_map = Algeria (centered orthographic projection).svg , map_caption = , image_map2 = , capital = Algiers , coordinates = , largest_city = capital , religi ...

* Grand Erg Oriental (extends into

Tunisia ) , image_map = Tunisia location (orthographic projection).svg , map_caption = Location of Tunisia in northern Africa , image_map2 = , capital = Tunis , largest_city = capital , ...

) *

Grand Erg Occidental The Grand Erg Occidental ( ar, العرق الغربي الكبير, al-ʿIrq al-Gharbī al-Kabīr), (also known as the Western Sand Sea) is the second largest erg in northern Algeria after the Grand Erg Oriental. It covers an area of approximately ...

* Erg Chech (extends into

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. Ma ...

) *

Erg Iguidi The Erg Iguidi ( ar, عرق إقيدي), is a large erg in the area of Tindouf in southwestern Algeria extending into northern Mali and Mauritania. Geography The Erg Iguidi is a sandy desert with a clear pattern of narrow linear dunes stretching f ...

(extends into Mauritania) *

Erg Issaouane The Issaouane Erg (also called Issaouane-N-Irrararene) is an approximately 38,000 km2 erg (sand sea) in Algeria's portion of the Sahara desert, located at . Topography The Issaouane Erg is located near the Ahaggar Mountains. It is part of a ...

Erg er-Raoui The erg is a unit of energy equal to 10−7 joules (100 nJ). It originated in the Centimetre–gram–second system of units (CGS). It has the symbol ''erg''. The erg is not an SI unit. Its name is derived from (), a Greek word meaning 'wor ...

* Erg Tiferine * Erg Tidohaine * Erg Merhiti * Erg Admer ;

Botswana Botswana (, ), officially the Republic of Botswana ( tn, Lefatshe la Botswana, label= Setswana, ), is a landlocked country in Southern Africa. Botswana is topographically flat, with approximately 70 percent of its territory being the Kal ...

Kalahari Desert The Kalahari Desert is a large semi-arid sandy savanna in Southern Africa extending for , covering much of Botswana, and parts of Namibia and South Africa. It is not to be confused with the Angolan, Namibian, and South African Namib coast ...

;

Chad Chad (; ar, تشاد , ; french: Tchad, ), officially the Republic of Chad, '; ) is a landlocked country at the crossroads of North and Central Africa. It is bordered by Libya to the north, Sudan to the east, the Central African Repub ...

* Erg Djourab * Erg Idrisi ;

Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Med ...

* Black Desert * Erg Abunugar * Erg Abu Muharrik * Erg Abu Ramada *

Gilf Kebir Gilf Kebir () (var. Gilf al-Kebir, Jilf al Kabir, Gilf Kebir Plateau) is a plateau in the New Valley Governorate of the remote southwest corner of Egypt, and southeast Libya. Its name translates as "the Great Barrier". This sandstone plateau ...

* Ramla el Kebir * Erg Somaya *

Negev Desert The Negev or Negeb (; he, הַנֶּגֶב, hanNegév; ar, ٱلنَّقَب, an-Naqab) is a desert and semidesert region of southern Israel. The region's largest city and administrative capital is Beersheba (pop. ), in the north. At its southe ...

(extends into

Israel Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...

) * Great Sand Sea Desert * White Desert ;

Libya Libya (; ar, ليبيا, Lībiyā), officially the State of Libya ( ar, دولة ليبيا, Dawlat Lībiyā), is a country in the Maghreb region in North Africa. It is bordered by the Mediterranean Sea to the north, Egypt to the east, Su ...

* Erg Awbari *

Erg Ubari The Ubari Desert, Idehan Ubari, Idehan Awbari (''Idehan'' means ''fine sand'' in Tamasheq) or Ubari Erg is an erg in the hyper-arid Fezzan region of southwestern Libya with a surface of approximately 58,000 km². The area of the Ubari desert has ...

Erg Titersine The erg is a unit of energy equal to 10−7 joules (100 nJ). It originated in the Centimetre–gram–second system of units (CGS). It has the symbol ''erg''. The erg is not an SI unit. Its name is derived from (), a Greek word meaning 'wor ...

Erg Idehan Murzuq The Murzuq Desert, Idehan Murzuq, Idhan Murzuq, (also Murzaq, Murzuk, Marzuq and Murzak), is an erg in southwestern Libya with a surface of approximately 58,000 km2. It is named after the town of Murzuk in the Fezzan. Like the Idehan Ubari fur ...

* Erg Ouan Kasa *

Erg Tannezouft The erg is a unit of energy equal to 10−7 joules (100 nJ). It originated in the Centimetre–gram–second system of units (CGS). It has the symbol ''erg''. The erg is not an SI unit. Its name is derived from (), a Greek word meaning 'wor ...

Erg Takarkouri The erg is a unit of energy equal to 10−7 joules (100 nJ). It originated in the Centimetre–gram–second system of units (CGS). It has the symbol ''erg''. The erg is not an SI unit. Its name is derived from (), a Greek word meaning 'wor ...

Erg Mehedjibat The erg is a unit of energy equal to 10−7 joules (100 nJ). It originated in the Centimetre–gram–second system of units (CGS). It has the symbol ''erg''. The erg is not an SI unit. Its name is derived from (), a Greek word meaning 'wor ...

* Erg Tassegefit *

Calanshio Sand Sea The Calanshio Sand Sea (Sarīr Kalanshiyū ar Ramlī al Kabīr) is a sand desert region located in the Libyan Desert, of the Kufra District in Cyrenaica, eastern Libya. It has a surface of approximately 62,000 km².Rebiana Sand Sea The Rabyanah Sand Sea, Rabyanah, is a sand desert region in the southeastern sector of Libya with a surface of approximately 65,000 km2. Geography The area of the Rabyanah Sand Sea is in the western part of the Libyan Desert in the Kufra ...

;

* Erg Achaif * Erg Aoukar (extends into Mauritania) *

Erg Atouila The erg is a unit of energy equal to 10−7 joules (100 nJ). It originated in the Centimetre–gram–second system of units (CGS). It has the symbol ''erg''. The erg is not an SI unit. Its name is derived from (), a Greek word meaning 'wor ...

Erg Outouila The erg is a unit of energy equal to 10−7joules (100Nano-, nJ). It originated in the Centimetre–gram–second system of units (CGS). It has the symbol ''erg''. The erg is not an SI unit. Its name is derived from (), a Greek language, Greek ...

; Mauritania *

Erg Amatlich Located south-west of the city of Atar, Mauritania, Atar in Mauritania, erg Amatlich is a vast dune barrier of small dimensions (130 km x 5 km to 8 km) trapped between the mountains of the Adrar plateau. The erg, stretching from NW ...

* Erg Aoukar * Erg Akchar *

Erg Azefal The erg is a unit of energy equal to 10−7 joules (100 nJ). It originated in the Centimetre–gram–second system of units (CGS). It has the symbol ''erg''. The erg is not an SI unit. Its name is derived from (), a Greek word meaning 'wor ...

(extends into

Western Sahara Western Sahara ( '; ; ) is a disputed territory on the northwest coast and in the Maghreb region of North and West Africa. About 20% of the territory is controlled by the self-proclaimed Sahrawi Arab Democratic Republic (SADR), while ...

) *

Erg Taokest The erg is a unit of energy equal to 10−7joules (100Nano-, nJ). It originated in the Centimetre–gram–second system of units (CGS). It has the symbol ''erg''. The erg is not an SI unit. Its name is derived from (), a Greek language, Greek ...

;

Morocco Morocco (),, ) officially the Kingdom of Morocco, is the westernmost country in the Maghreb region of North Africa. It overlooks the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria ...

Erg Chebbi Erg Chebbi ( Berber: ⴻⵔⴳ ⵛⴱⵉ, ar, عرق الشبي) is one of Morocco's several ergs – large seas of dunes formed by wind-blown sand. There are several other ergs such as Erg Chigaga near M'hamid. Technically all these ergs are ...

Erg Chigaga Erg Chigaga (or Erg Chegaga, Berber: ⴻⵔⴳ ⵛⴳⵉⴳⴰ, ar, عرق شقاق or Edaya el-Hamra, ar, الضاية الحمراء) is the largest and still untouched of the major ergs in Morocco, the other is Erg Chebbi near Merzouga. ...

* Erg Znaigui * Erg Tinfou *

Erg Ezzahar The erg is a unit of energy equal to 10−7 joules (100 nJ). It originated in the Centimetre–gram–second system of units (CGS). It has the symbol ''erg''. The erg is not an SI unit. Its name is derived from (), a Greek word meaning 'wor ...

* Erg Lihoudi * Erg Mghiti * Erg Smar *

Erg Jerboia The erg is a unit of energy equal to 10−7 joules (100 nJ). It originated in the Centimetre–gram–second system of units (CGS). It has the symbol ''erg''. The erg is not an SI unit. Its name is derived from (), a Greek word meaning 'wor ...

Erg Zemoul The erg is a unit of energy equal to 10−7 joules (100 nJ). It originated in the Centimetre–gram–second system of units (CGS). It has the symbol ''erg''. The erg is not an SI unit. Its name is derived from (), a Greek word meaning 'wor ...

;

Namibia Namibia (, ), officially the Republic of Namibia, is a country in Southern Africa. Its western border is the Atlantic Ocean. It shares land borders with Zambia and Angola to the north, Botswana to the east and South Africa to the south and e ...

Namib Desert The Namib ( ; pt, Namibe) is a coastal desert in Southern Africa. The name is of Khoekhoegowab origin and means "vast place". According to the broadest definition, the Namib stretches for more than along the Atlantic coasts of Angola, Namib ...

;

Niger ) , official_languages = , languages_type = National languagesJadal JadaL ( en , Controversy) ( ar, جدل) is a Jordanian Arabic Rock band and music project from Amman, Jordan, formed in 2003 by Composer/Music Producer/Guitarist Mahmoud Radaideh, which has held various members over the years. Biography Ja ...

Erg Brousset The erg is a unit of energy equal to 10−7 joules (100 nJ). It originated in the Centimetre–gram–second system of units (CGS). It has the symbol ''erg''. The erg is not an SI unit. Its name is derived from (), a Greek word meaning 'wor ...

Ténéré The Ténéré (Tuareg: Tenere, literally: "desert") is a desert region in the south central Sahara. It comprises a vast plain of sand stretching from northeastern Niger into western Chad, occupying an area of over . The Ténéré's boundaries are ...

* Tafassasset * Great Bilma Erg or 'Kaouar' (extends into

) ; Sudan * Erg Selima ;

Asia

; China *

Taklamakan The Taklimakan or Taklamakan Desert (; zh, s=塔克拉玛干沙漠, p=Tǎkèlāmǎgān Shāmò, Xiao'erjing: , dng, Такәламаган Шамә; ug, تەكلىماكان قۇملۇقى, Täklimakan qumluqi; also spelled Taklimakan and T ...

Xinjiang Xinjiang, SASM/GNC: ''Xinjang''; zh, c=, p=Xīnjiāng; formerly romanized as Sinkiang (, ), officially the Xinjiang Uygur Autonomous Region (XUAR), is an autonomous region of the People's Republic of China (PRC), located in the northwest ...

Dzungaria Dzungaria (; from the Mongolian words , meaning 'left hand') is a geographical subregion in Northwest China that corresponds to the northern half of Xinjiang. It is thus also known as Beijiang, which means "Northern Xinjiang". Bounded by the A ...

* Tengger Desert,

Ningxia Ningxia (,; , ; alternately romanized as Ninghsia), officially the Ningxia Hui Autonomous Region (NHAR), is an autonomous region in the northwest of the People's Republic of China. Formerly a province, Ningxia was incorporated into Gansu in ...

Ordos Desert The Ordos Desert () is a desert/steppe region in Northwest China, administrated under the prefecture of Ordos City in the Inner Mongolian Autonomous Region (centered ca. ). It extends over an area of approximately , and comprises two sub-de ...

Inner Mongolia Inner Mongolia, officially the Inner Mongolia Autonomous Region, is an autonomous region of the People's Republic of China. Its border includes most of the length of China's border with the country of Mongolia. Inner Mongolia also accounts for ...

;

Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkm ...

* Dasht-e Lut ;

India India, officially the Republic of India ( Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the ...

Thar Desert The Thar Desert, also known as the Great Indian Desert, is an arid region in the north-western part of the Subcontinent that covers an area of and forms a natural boundary between India and Pakistan. It is the world's 20th-largest desert, a ...

Nubra Valley Nubra, also called Dumra, is a historical region of Ladakh, India that is currently administered as a subdivision and a tehsil in the Leh district. Its inhabited areas form a tri-armed valley cut by the Nubra and Shyok rivers. Its Tibetan n ...

;

Kazakhstan Kazakhstan, officially the Republic of Kazakhstan, is a transcontinental country located mainly in Central Asia and partly in Eastern Europe. It borders Russia Russia (, , ), or the Russian Federation, is a transcontinental coun ...

Moin Kum ''Moin'', ''moi'' or ''mojn'' is a Low German, Frisian, High German ( or ), Danish () and Kashubian () greeting from East Frisia, Northern Germany, the eastern and northern Netherlands, Southern Jutland in Denmark and parts of Kashubia. It ...

Kyzyl Kum The Kyzylkum Desert ( uz, Qizilqum, Қизилқум, قىزىلقۇم; kk, Қызылқұм, Qyzylqūm, قىزىلقۇم) is the 15th largest desert in the world. Its name means ''Red Sand'' in Turkic languages. It is located in Central Asia, ...

(extends into

Uzbekistan Uzbekistan (, ; uz, Ozbekiston, italic=yes / , ; russian: Узбекистан), officially the Republic of Uzbekistan ( uz, Ozbekiston Respublikasi, italic=yes / ; russian: Республика Узбекистан), is a doubly landlocked co ...

and

Turkmenistan Turkmenistan ( or ; tk, Türkmenistan / Түркменистан, ) is a country located in Central Asia, bordered by Kazakhstan to the northwest, Uzbekistan to the north, east and northeast, Afghanistan to the southeast, Iran to the s ...

) ;

Mongolia Mongolia; Mongolian script: , , ; lit. "Mongol Nation" or "State of Mongolia" () is a landlocked country in East Asia, bordered by Russia to the north and China to the south. It covers an area of , with a population of just 3.3 millio ...

* Nomin Mingan Gobi ;

Pakistan Pakistan ( ur, ), officially the Islamic Republic of Pakistan ( ur, , label=none), is a country in South Asia. It is the world's List of countries and dependencies by population, fifth-most populous country, with a population of almost 24 ...

* Cholistan Desert * Kharan Desert ;

Saudi Arabia Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country in Western Asia. It covers the bulk of the Arabian Peninsula, and has a land area of about , making it the List of Asian countries by area, fifth-largest country in Asia ...

Rub' al Khali The Rub' al KhaliOther standardized transliterations include: / . The ' is the assimilated Arabic definite article, ', which can also be transliterated as '. (; ar, ٱلرُّبْع ٱلْخَالِي (), the "Empty Quarter") is the sand de ...

Dahna Ad-Dahna Desert is the central division of the Arabian Desert. It is a corridor of sandy terrain forming a bow-like shape that connects an-Nafud desert in the north to Rub' al-Khali desert in the south. Its length is more than siding Twaik ...

* Great Nefud * Jafurah *

Nefud Es Sirr An Nafud or Al-Nefud or The Nefud ( ar, صحراء النفود, ṣahrā' an-Nafūd) is a desert in the northern part of the Arabian Peninsula at , occupying a great oval depression. It is long and wide, with an area of . The Nafud is an erg, ...

Nefud Eth Thuwairat An Nafud or Al-Nefud or The Nefud ( ar, صحراء النفود, ṣahrā' an-Nafūd) is a desert in the northern part of the Arabian Peninsula at , occupying a great oval depression. It is long and wide, with an area of . The Nafud is an erg ( ...

* Nefud Shudaiah ;

Karakum Desert The Karakum Desert, also spelled Kara-Kum and Gara-Gum ( tk, Garagum, ; rus, Караку́мы, Karakumy, kərɐˈkumɨ), is a desert in Central Asia. Its name in Turkic languages means "black sand": "" means sand; "" is a contraction of : " ...

Turan Turan ( ae, Tūiriiānəm, pal, Tūrān; fa, توران, Turân, , "The Land of Tur") is a historical region in Central Asia. The term is of Iranian origin and may refer to a particular prehistoric human settlement, a historic geographical ...

* Zaunguz

Australia

Gibson Desert The Gibson Desert is a large desert in Western Australia, largely in an almost "pristine" state. It is about in size, making it the fifth largest desert in Australia, after the Great Victoria, Great Sandy, Tanami and Simpson deserts. The ...

Great Sandy Desert The Great Sandy Desert is an interim Australian bioregion,IBRA Version 6.1
data

Great Victoria Desert The Great Victoria Desert is a sparsely populated desert ecoregion and interim Australian bioregion in Western Australia and South Australia. History In 1875, British-born Australian explorer Ernest Giles became the first European to cross th ...

Simpson Desert The Simpson Desert is a large area of dry, red sandy plain and dunes in the Northern Territory, South Australia and Queensland in central Australia. It is the fourth-largest Australian desert, with an area of . The desert is underlain by the ...

North America

;

Mexico Mexico ( Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guate ...

* Gran Desierto de Altar,

Sonora Sonora (), officially Estado Libre y Soberano de Sonora ( en, Free and Sovereign State of Sonora), is one of the 31 states which, along with Mexico City, comprise the Federal Entities of Mexico. The state is divided into 72 municipalities; the ...

Samalayuca Dune Fields The Samalayuca Dune Fields, more traditionally known as Los Médanos (the dunes), or more recently referenced as Médanos de Samalayuca are a series of large but separated fields of sand dunes located in the northern part of the Mexican state of ...

Chihuahua Chihuahua may refer to: Places *Chihuahua (state), a Mexican state **Chihuahua (dog), a breed of dog named after the state **Chihuahua cheese, a type of cheese originating in the state **Chihuahua City, the capital city of the state **Chihuahua Mun ...

;

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., federal district, five ma ...

Algodones Dunes The Algodones Dunes is a large sand dune field, or erg, located in the southeastern portion of the U.S. state of California, near the border with Arizona and the Mexican state of Baja California. The field is approximately long by wide and ext ...

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the ...

Great Sand Dunes National Park and Preserve Great Sand Dunes National Park and Preserve is an American national park that conserves an area of large sand dunes up to tall on the eastern edge of the San Luis Valley, and an adjacent national preserve in the Sangre de Cristo Range, in sou ...

Colorado Colorado (, other variants) is a state in the Mountain states, Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the wes ...

Navajo Sandstone The Navajo Sandstone is a geological formation in the Glen Canyon Group that is spread across the U.S. states of southern Nevada, northern Arizona, northwest Colorado, and Utah as part of the Colorado Plateau province of the United States.Anonym ...

(former

Jurassic The Jurassic ( ) is a Geological period, geologic period and System (stratigraphy), stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately Mya. The J ...

age erg has since formed

sandstone Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks. Most sandstone is composed of quartz or feldspar (both silicates ...

) *

Nebraska Sandhills The Sandhills, often written Sand Hills, is a region of mixed-grass prairie on grass-stabilized sand dunes in north-central Nebraska, covering just over one quarter of the state. The dunes were designated a National Natural Landmark in 1984. ...

Nebraska Nebraska () is a state in the Midwestern region of the United States. It is bordered by South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Kansas to the south; Colorado to the so ...

(active 800-1000 years ago, now vegetated) *

White Sands National Park White Sands National Park is an American national park located in the state of New Mexico and completely surrounded by the White Sands Missile Range. The park covers in the Tularosa Basin, including the southern 41% of a field of white sand d ...

New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe, New Mexico, Santa Fe , LargestCity = Albuquerque, New Mexico, Albuquerque , LargestMetro = Albuquerque metropolitan area, Tiguex , Offi ...

Yuma Desert The Yuma Desert is a lower-elevation section of the Sonoran Desert in the southwestern United States and the northwest of Mexico. It lies in the Salton basin. The desert contains areas of sparse vegetation and has notable areas of sand dunes. Wit ...

Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a U.S. state, state in the Southwestern United States. It is the list of U.S. states and territories by area, 6th largest and the list of U.S. states and territories by population, 14 ...

South America

;

Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the eas ...

Atacama Desert The Atacama Desert ( es, Desierto de Atacama) is a desert plateau in South America covering a 1,600 km (990 mi) strip of land on the Pacific coast, west of the Andes Mountains. The Atacama Desert is the driest nonpolar desert in the ...

;

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Fi ...

Great Ica Desert Great may refer to: Descriptions or measurements * Great, a relative measurement in physical space, see Size * Greatness, being divine, majestic, superior, majestic, or transcendent People * List of people known as "the Great" * Artel Great ( ...

References

*{{cite web , url=http://everything2.com/index.pl?node=erg , title=Erg , publisher= Everything2 , accessdate=2006-05-18 *