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The Weald Basin (/ ˈ w iː l d /) is a major topographic feature of the area that is now southern England and northern France from the Triassic to the Late Cretaceous. Its uplift in the Late Cretaceous marked the formation of the Wealden Anticline .
The geological map shows the High Weald in lime green (9a). The Low Weald, [18] the periphery of the Weald, is shown as darker green on the map (9), [19] and has an entirely different character. It is in effect the eroded outer edges of the High Weald, revealing a mixture of sandstone outcrops within the underlying clay.
The Weald–Artois Anticline, or Wealden Anticline, is a large anticline, a geological structure running between the regions of the Weald in southern England and Artois in northern France. The fold formed during the Alpine orogeny , from the late Oligocene to middle Miocene as an uplifted form of the Weald basin through inversion of the basin.
Serra da Estrela, the highest mountain range in continental Portugal and popular tourist winter destination The volcanic lake of Lagoa das Furnas, on the island of São Miguel. Portugal is located on the western coast of the Iberian Peninsula and plateau, that divides the inland Mediterranean Sea from the Atlantic Ocean. It is located on the ...
The location of Portugal An enlargeable basic map of Continental Portugal.. The following outline is provided as an overview of and topical guide to Portugal: . Portugal is a sovereign country principally located on the Iberian Peninsula in Southern Europe. [1]
The peripheral areas are mostly of softer sandstones and clays and these form the gentler rolling landscape of Low Weald, of which the Vale of Kent is a part. [1] The Weald-Artois Anticline continues some 65 km (40 mi) further south-eastwards under the Straits of Dover, and includes the Boulonnais of France.
Portugal, [e] officially the Portuguese Republic, [f] is a country in the Iberian Peninsula in Southwestern Europe.Featuring the westernmost point in continental Europe, Portugal borders Spain to its north and east, with which it shares the longest uninterrupted border in the European Union; to the south and the west is the North Atlantic Ocean; and to the west and southwest lie the ...
The Wealden Group, occasionally also referred to as the Wealden Supergroup, is a group (a sequence of rock strata) in the lithostratigraphy of southern England.The Wealden group consists of paralic to continental (freshwater) facies sedimentary rocks of Berriasian to Aptian age and thus forms part of the English Lower Cretaceous.