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The Luxembourg Sandstone (French: Grès de Luxembourg) is a geologic formation in Luxembourg. It exists along the eastern margin of the Paris Basin. Sandstone units continuous with the Luxembourg Sandstone also occur in France. It is Early Jurassic in age. It predominantly outcrops in a belt extending through south-central Luxembourg.
Lower Jurassic sandstone of the Grès de Luxembourg Formation near Waldhof. The geology of Luxembourg is divided into two geologic regions: Rheinisches Schiefergeblige in the north, extending into the Ardennes region in Belgium, and the Oesling (also known as Islek) Zone to the north of Ettelbruck.
City of Luxembourg: its Old Quarters and Fortifications: Luxembourg City: 1994 699; iv (cultural) The city developed around a fortress built in the 10th century on an almost inaccessible rock. Due to its strategic location, it passed among great European powers several times, with the fortifications being constantly upgraded.
Luxembourg has been one of the strongest advocates of the European Union in the tradition of Robert Schuman. It was one of the six founding members of the European Coal and Steel Community (ECSC) in 1952 and of the European Economic Community (EEC) (later the European Union) in 1957; in 1999 it joined the euro currency area.
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In 1834 Guillermo Schulz produced the first geological map in Spain, a 1:400 000 scale map of the area of Galicia. [49] the first geological map of Spain drawn by Joaquín Ezquerra del Bayo. Charles Lyell visited Spain in the summer of 1830 and also in the winter of 1853. Lyell's visit to the Pyrenees led him to study the orogeny that produced ...
The Luxembourg plateau is a large Early Jurassic sandstone plateau in south-central Luxembourg. [1] Lying mostly between 300 metres (980 ft) and 400 metres (1,300 ft), [ 1 ] it is the dominant part of the Gutland region.
Spain's history during the nineteenth century was tumultuous, and featured alternating periods of republican-liberal and monarchical rule. The Spanish–American War led to losses of Spanish colonial possessions and a series of military dictatorships, during which King Alfonso XIII was deposed and a new Republican government was formed.