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The earliest cartographic depictions of Africa are found in early world maps. In classical antiquity, ''Africa'' (also ''Libya'') was assumed to cover the quarter of the globe south of the Mediterranean, an arrangement that was adhered to in medieval T and O maps. The only part of Africa well known in antiquity was the coast of North Africa, described in Greek periplus from the 6th century BC. Hellenistic era geographers defined Egypt as part of ''Asia'', taking the boundary of Asia and Egypt to lie at the ''Catabathmus Magnus'' (the escarpment of ''Akabah el-Kebir'' in western Egypt). Ptolemy's world map (2nd century) shows a reasonable awareness of the general topography of North Africa, but is unaware of anything south of the equator. The limit of Ptolemy's knowledge in the west is Cape Spartel (35° 48′ N); while he does assume that the coast eventually retreats in a "Great Gulf of the Western Ocean", this is not likely based on any knowledge of the Gulf of Guinea.〔Eric Anderson Walker, ''The Cambridge history of the British Empire'', Volume 7, Part 1, 1963, (p. 66 )〕 In the east, Ptolemy is aware of the Red Sea (''Sinus Arabicus'') and the protrusion of the Horn of Africa, describing the gulf south of the Horn of Africa as ''Sinus Barbaricus''. With the European exploration of Africa from the 15th century, maps of Africa became more precise. The Fra Mauro map of 1459 shows a more detailed picture of Africa as a continent, including the ''Cape of Diab'' at its southernmost point, reflecting an expedition of 1420. Sebastian Münster's ''Cosmographia'' (1545) labels the Cape of Good Hope, reached by Bartolomeu Dias in 1488, as ''caput bonae spei''. The interior of Africa was not mapped in any detail before the second half of the 19th century. == African maps and the ideology of "The Scramble" == During the late 19th century European scramble for African lands, historians and geographers such as Thomas Bassett have shown how maps were used as a tool for empire building and the justification of European conquest. These European-made maps of Africa (primarily Western African) were not usually created to be a scientifically accurate representation of the continent, but rather a representation of European ideals for the land. Only the lands visited and explored by European travellers were considered to be factual and were thus illustrated on European maps. These regions ceased to show any prearranged African influence, suggesting to the European audience that the native African peoples did not have the intellectual capability to establish societies and boundaries by their own means. Any areas in Africa untouched by Europeans were also left untouched on their maps, leaving blank spaces within the otherwise colorful and detailed drawings. These blank spaces, used by the cartographer as an admittance of unknowing, instead became symbols of "desocialized" space for the supporters of colonization. For European powers of influence, the spaces were not blank because they had simply not been explored yet by Europeans, but rather because there was nothing there to document. These blank spaces within African maps were interpreted as areas of empty land (or at least areas of the least "civilized" land) that could be best utilized as colonial sites for Europe. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Cartography of Africa」の詳細全文を読む スポンサード リンク
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