...(5) Midland Highlands: A hilly region eroded by the Severn and Trent river systems, mainly composed of Triassic sandstone. (6) Wales Mountains: The Cambrian Mountains, which occupy the central and northern parts, are made of sedimentary rocks from the early Palaeozoic era and have been affected by folding due to the Caledonian orogeny, but the southern part is a mountain range of metamorphic rocks with an east-west trend formed by the Armoric orogeny. (7) Southwest England Highlands: The main part is a wave-like plateau made of Devonian shale and sandstone, but the southern part also contains granite mountains formed by folding due to the Armoric orogeny. ... *Some of the terminology that refers to the "Welsh Mountains" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…(5)ミッドランド高地 セバーン川,トレント川水系によって浸食される丘陵地帯で,三畳紀の砂岩が中心。(6)ウェールズ山地 中部・北部を占めるカンブリア山地は古生代前期の堆積岩からなり,カレドニア造山運動による褶曲の影響を受けているが,南部はアルモリカ造山運動によって形成された東西の走行をもつ変成岩の山地である。(7)南西イングランド高地 デボン紀のケツ岩,砂岩から構成される波浪状高原が主であるが,南部にはアルモリカ造山運動による褶曲で生まれた花コウ岩山地もある。… ※「ウェールズ山地」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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