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Topographic map of Guelb el Richat. Elevation in meters. 10 m contour interval with major contour line every 50 m. Spectacular hydrothermal features are a part of the Richat Structure. They include the extensive hydrothermal alteration of rhyolites and gabbros and a central megabreccia created by hydrothermal dissolution and collapse. The ...
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Guelb er Richat structure. With a diameter of almost 50 kilometers (31 mi), it has become a landmark for Space Shuttle crews. Initially interpreted as a meteorite impact structure because of its high degree of circularity, it is now thought to be merely a symmetrical uplift (circular anticline) that has been laid bare by erosion.
The concentric Guelb er Richat is a prominent feature of the north-central region. Kediet ej Jill , near the city of Zouîrât , has an elevation of 915 metres (3,000 ft) and is the highest peak. The plateaus gradually descend toward the northeast to the barren El Djouf , or "Empty Quarter," a vast region of large sand dunes that merges into ...
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Map of Nigeria for use on Wikivoyage, SVG base file: Date: 29 January 2010: Source: Own work based on the Perry-Castañeda Library Map Collection Nigeria Maps and United Nations Cartographic Section Nigeria Map: Author: Burmesedays: Other versions: PNG files in different languages: English
name = Nigeria Name used in the default map caption; image = Nigeria location map.svg The default map image, without "Image:" or "File:" image1 = Nigeria relief location map.jpg An alternative map image, usually a relief map, which can be displayed via the relief or AlternativeMap parameters; top = 14 Latitude at top edge of map, in decimal ...
Nigeria is a federation of thirty-six states and one Federal Capital Territory, which are divided into 774 Local Government Areas (LGAs) in total. [ 1 ] [ 2 ] A clickable map of Nigeria showing its 36 states and the federal capital territory.