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Extreme Points Of Africa-Eurasia
Afro-Eurasia (also Afroeurasia, Eurafrasia or the Old World) is a landmass comprising the continents of Africa, Asia, and Europe. The terms are compound words of the names of its constituent parts. Its mainland is the largest and most populous contiguous landmass on Earth. Afro-Eurasia encompasses , 57% of the world's land area, and has a population of approximately 6.7 billion people, roughly 86% of the world population. Related terms The following terms are used for similar concepts: * Ecumene: a term from classical antiquity for the world as was known to ancient Greek scholars, which was limited to Europe and parts of Asia and Africa. * Old World: a term from the Age of Discovery which, for European explorers, contrasted their previously known world from the New World of the Americas. * World Island: a term coined by H.J. Mackinder in his " The Geographical Pivot of History" (1904) and used in geopolitical contexts. Mackinder defines the World Island as the large c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Afro-Eurasia (orthographic Projection) Political
Afro-Eurasia (also Afroeurasia, Eurafrasia or the Old World) is a landmass comprising the continents of Africa, Asia, and Europe. The terms are compound words of the names of its constituent parts. Its mainland is the largest and most populous contiguous landmass on Earth. Afro-Eurasia encompasses , 57% of the world's land area, and has a population of approximately 6.7 billion people, roughly 86% of the world population. Related terms The following terms are used for similar concepts: * Ecumene: a term from classical antiquity for the world as was known to ancient Greek scholars, which was limited to Europe and parts of Asia and Africa. * Old World: a term from the Age of Discovery which, for European explorers, contrasted their previously known world from the New World of the Americas. * World Island: a term coined by H.J. Mackinder in his "The Geographical Pivot of History" (1904) and used in geopolitical contexts. Mackinder defines the World Island as the large cont ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Classical Antiquity
Classical antiquity (also the classical era, classical period or classical age) is the period of cultural history between the 8th century BC and the 5th century AD centred on the Mediterranean Sea, comprising the interlocking civilizations of ancient Greece and ancient Rome known as the Greco-Roman world. It is the period in which both Greek and Roman societies flourished and wielded huge influence throughout much of Europe, North Africa, and Western Asia. Conventionally, it is taken to begin with the earliest-recorded Epic Greek poetry of Homer (8th–7th-century BC), and continues through the emergence of Christianity (1st century AD) and the fall of the Western Roman Empire (5th-century AD). It ends with the decline of classical culture during late antiquity (250–750), a period overlapping with the Early Middle Ages (600–1000). Such a wide span of history and territory covers many disparate cultures and periods. ''Classical antiquity'' may also refer to an idealized v ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kaapvaal Craton
The Kaapvaal Craton (centred on Limpopo Province in South Africa), along with the Pilbara Craton of Western Australia, are the only remaining areas of pristine 3.6–2.5 Ga (billion years ago) crust on Earth. Similarities of rock records from both these cratons, especially of the overlying late Archean sequences, suggest that they were once part of the Vaalbara supercontinent. Description The Kaapvaal Craton covers an area of approximately and is joined to the Zimbabwe Craton to the north by the Limpopo Belt. To the south and west, the Kaapvaal Craton is flanked by Proterozoic orogens, and to the east by the Lebombo monocline that contains Jurassic igneous rocks associated with the break-up of Gondwana. The Kaapvaal Craton formed and stabilised between 3.7 and 2.6 Ga by the emplacement of major granitoid batholiths that thickened and stabilised the continental crust during the early stages of an arc-related magmatism and sedimentation cycle. The craton is a mixture o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Supercontinent Cycle
The supercontinent cycle is the quasi-periodic aggregation and dispersal of Earth's continental crust. There are varying opinions as to whether the amount of continental crust is increasing, decreasing, or staying about the same, but it is agreed that the Earth's crust is constantly being reconfigured. One complete supercontinent cycle is said to take 300 to 500 million years. Continental collision makes fewer and larger continents while rifting makes more and smaller continents. Description The most recent supercontinent, Pangaea, formed about 300 million years ago (0.3 Ga). There are two different views on the history of earlier supercontinents. The first proposes a series of supercontinents: Vaalbara ( 3.6 to c. 2.8 billion years ago); Ur ( 3 billion years ago); Kenorland ( 2.7 to 2.1 billion years ago); Columbia ( 1.8 to 1.5 billion years ago); Rodinia ( 1.25 billion to 750 million years ago); and Pannotia ( 600 million years a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Supercontinent
In geology, a supercontinent is the assembly of most or all of Earth's continent, continental blocks or cratons to form a single large landmass. However, some geologists use a different definition, "a grouping of formerly dispersed continents", which leaves room for interpretation and is easier to apply to Precambrian times. To separate supercontinents from other groupings, a limit has been proposed in which a continent must include at least about 75% of the continental crust then in existence in order to qualify as a supercontinent. Supercontinents have assembled and dispersed multiple times in the geologic past (see table). According to modern definitions, a supercontinent does not exist today; the closest in existence to a supercontinent is the current Afro-Eurasian landmass, which covers approx. 57% of Earth's total land area. The last time the continental landmasses were near to one another was 336 to 175 million years ago as the supercontinent, Pangaea. The positions of con ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Islands Of Asia
This is a list of the lists of islands in the world grouped by country, by continent, by body of water, and by other classifications. For rank-order lists, see the #Other lists of islands, other lists of islands below. Lists of islands by country Africa Antarctica Asia Europe North America Oceania South America Lists of islands by continent Lists of islands by body of water By ocean: By other bodies of water: List of ancient islands Other lists of islands External links Island Superlatives {{DEFAULTSORT:List Of Islands Lists of islands, Islands, * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Islands Of Europe
This is a list of the larger offshore islands of Europe. In the Atlantic Ocean * Major islands and the island groups of the British Isles ( Anglo-Celtic Isles) **Great Britain **Ireland :;England: :*Isle of Wight :*Isle of Sheppey :*Hayling Island :*Foulness Island :*Portsea Island :*Canvey Island :*Mersea Island :*Walney Island :*Wallasea Island :*Lundy :*Isles of Scilly :;Scotland: : ::Main archipelagoes :*Shetland :*Orkney :*Outer Hebrides :*Inner Hebrides :*Islands of the Clyde :*Islands of the Forth :* Outlying islands ::Largest islands :*Lewis and Harris :*Skye :*Mainland, Shetland :*Mull :*Islay :*Mainland, Orkney :* Arran :* Jura :*South Uist :*North Uist :;Wales: :*Anglesey :*Holy Island :;Ireland: :*Achill Island :*Aran Islands :*Rathlin Island :;Isle of Man :* Isle of Man :* Calf of Man *Channel Islands :*Jersey :*Guernsey :*Alderney :*Sark *Major Danish islands: :* Samsø :* Sejerø *Major Swedish islands: :*Orust :*Hisingen :*Tjörn *Other major Atlanti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Islands Of Africa
This is a list of islands of Africa. Sovereign island nations Indian Ocean Union of the Comoros *Grande Comore *Anjouan *Mohéli Republic of Madagascar *Île Sainte-Marie (also known as Nosy Boraha) *Nossi-Bé Republic of Mauritius *Mauritius island *Rodrigues island *Agaléga Islands * Saint Brandon Republic of Seychelles *Inner Islands: **La Digue ** Félicité **Marianne **Grande Soeur **Petite Soeur ** Ile aux Cocos ** Ile la Fouche **Silhouette Island ** Ile du Nord **Les Mamelles ** Ile aux Récifs ** Frégate ** L'Ilot ** Ile aux Vaches ** Vache Marine ** Chauve Souris ** Roche Canon ** Les Trois Dames ** Cocos Dans Trou ** Bird Island **Ile Denis (Denis Island) ** Mahé **Praslin ** Sainte Anne ** Ile Ronde **Moyenne Island **Therese ** Roche Tortue ** Ile Du Suete ** Conception ** Ile Hodoul ** Coco Dans Milieu **Ile Longue ** Ile Malice **L'Islette **Roche Bouquet ** Baleise Island ** Beacon Island ** Roche Grande Maman **Cousin ** Cousine ** Zave ** Aride ** Ile ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Great Britain
Great Britain is an island in the North Atlantic Ocean off the northwest coast of continental Europe. With an area of , it is the largest of the British Isles, the largest European island and the ninth-largest island in the world. It is dominated by a maritime climate with narrow temperature differences between seasons. The 60% smaller island of Ireland is to the west—these islands, along with over 1,000 smaller surrounding islands and named substantial rocks, form the British Isles archipelago. Connected to mainland Europe until 9,000 years ago by a landbridge now known as Doggerland, Great Britain has been inhabited by modern humans for around 30,000 years. In 2011, it had a population of about , making it the world's third-most-populous island after Java in Indonesia and Honshu in Japan. The term "Great Britain" is often used to refer to England, Scotland and Wales, including their component adjoining islands. Great Britain and Northern Ireland now constitute the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geopolitics
Geopolitics (from Greek γῆ ''gê'' "earth, land" and πολιτική ''politikḗ'' "politics") is the study of the effects of Earth's geography (human and physical) on politics and international relations. While geopolitics usually refers to countries and relations between them, it may also focus on two other kinds of states: ''de facto'' independent states with limited international recognition and relations between sub-national geopolitical entities, such as the federated states that make up a federation, confederation, or a quasi-federal system. At the level of international relations, geopolitics is a method of studying foreign policy to understand, explain, and predict international political behavior through geographical variables. These include area studies, climate, topography, demography, natural resources, and applied science of the region being evaluated. Geopolitics focuses on political power linked to geographic space. In particular, territorial waters and l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Geographical Pivot Of History
"The Geographical Pivot of History" is an article submitted by Halford John Mackinder in 1904 to the Royal Geographical Society that advances his heartland theory.Mackinder, H. J."The Geographical Pivot of History" ''The Geographical Journal'', Vol. 23, No.4, (April 1904), pp. 421–437Mackinder, H. J., Democratic Ideals and Reality. A Study in the Politics of Reconstruction', National Defense University Press, 1996, pp. 175–193Charles Kruszewski"The Pivot of History" ''Foreign Affairs'', April 1954 In this article, Mackinder extended the scope of geopolitical analysis to encompass the entire globe. The World-Island and the Heartland According to Mackinder, the Earth's land surface was divisible into: *The World-Island, comprising the interlinked continents of Europe, Asia, and Africa (Afro-Eurasia). This was the largest, most populous, and richest of all possible land combinations. *The offshore islands, including the British Isles and the islands of Japan. *The outlying isla ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Halford Mackinder
Sir Halford John Mackinder (15 February 1861 – 6 March 1947) was an English geographer, academic and politician, who is regarded as one of the founding fathers of both geopolitics and geostrategy. He was the first Principal of University Extension College, Reading (which became the University of Reading) from 1892 to 1903, and Director of the London School of Economics from 1903 to 1908. While continuing his academic career part-time, he was also the Member of Parliament for Glasgow Camlachie from 1910 to 1922. From 1923, he was Professor of Geography at the London School of Economics. Early life and education Mackinder was born in Gainsborough, Lincolnshire, England, the son of a doctor, and educated at Queen Elizabeth's Grammar School in Gainsborough, Epsom College and Christ Church, Oxford. At Oxford he started studying natural sciences, specialising in zoology under Henry Nottidge Moseley, who had been the naturalist on the ''Challenger'' expedition. When he turned to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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