Le Massif armoricain s'étend sur 65 000 km 2, soit approximativement le neuvième de la surface de la France métropolitaine [4].Cette entité géologique englobe les îles Anglo-Normandes, la Bretagne, l'ouest de la Normandie, une grande partie des Pays de la Loire et le nord-ouest de la région Nouvelle-Aquitaine (département des Deux-Sèvres).. Il est constitué de quatre …

The massif is a smaller structural unit of the crust than a tectonic plate, and is considered the fourth-largest driving force in geomorphology. [1] The word is taken from French (in which the word also means "massive"), where it is used to refer a large mountain mass or compact group of connected mountains forming an independent portion of a ...

The Bohemian Massif is a province within the Hercynian Forest subsystem. It borders with four provinces: Western Carpathians on the east, Eastern Alps on the south, North European Plain on the north, and Central Uplands on the west. The Bohemian Massif is further divided into six subprovinces: Sudetes; includes mountain ranges of Giant Mountains, Lusatian Mountains and …

Much of the Ardennes is covered in dense forests, with the hills averaging around 350–400 m (1,150–1,310 ft) in height but rising to over 694 m (2,277 ft) in the boggy moors of the High Fens region of south-eastern Belgium.The region is typified by steep-sided valleys carved by swift-flowing rivers, the most prominent of which is the Meuse. ...

The Morvan (historically Morvand from the Latin Murvinnum c. 590) is a mountainous massif lying just to the west of the Côte d'Or escarpment in the Bourgogne-Franche-Comté region, central-east France.It is a northerly extension of the Massif Central and is of Variscan age. It is composed of granites and basalts and formed a promontory extending northwards into the …

The Massif Central is one of the two large basement massifs in France, the other being the Armorican Massif.The Massif Central's geological evolution started in the late Neoproterozoic and continues to this day. It has been shaped mainly by the Caledonian orogeny and the Variscan orogeny.The Alpine orogeny has also left its imprints, probably causing the important Cenozoic …

Avalonia was a microcontinent in the Paleozoic era.Crustal fragments of this former microcontinent underlie south-west Great Britain, southern Ireland, and the eastern coast of North America.It is the source of many of the older rocks of Western Europe, Atlantic Canada, and parts of the coastal United States.Avalonia is named for the Avalon Peninsula in Newfoundland.

Mayenne (French: ()) is a landlocked department in northwest France named after the river Mayenne.Mayenne is part of the administrative region of Pays de la Loire and is surrounded by the departments of Manche, Orne, Sarthe, Maine-et-Loire, and Ille-et-Vilaine.. Mayenne is one of the original 83 departments created during the French Revolution on 4 March 1790.

The Massif Central (French pronunciation: [masif sɑ̃tʁal]; Occitan: Massís Central, pronounced [maˈsis‿senˈtral]; literally "Central Massif") is a highland region in south-central France, consisting of mountains and plateaus. It covers about 15% of mainland France. Subject to volcanism that has subsided in the last 10,000 years, these central mountains are separated …

Since the destruction of the enemy fleet was the only permanent way to end this problem, Caesar directed his men to build ships. However, his galleys were at a serious disadvantage compared to the far thicker Veneti ships. The thickness of their ships meant they were resistant to ramming, whilst their greater height meant they could shower the Roman ships with projectiles, and even …