A mountainous region that occupies most of the UK and Wales. It is mainly composed of Lower Palaeozoic strata, and was folded during the Caledonian orogeny, but later erosion has resulted in an uplifted peneplain, with the highest peaks being Mount Snowdon (1,085m) in the northwest and Mount Carnellwellyn (1,062m) standing as relict hills. It produces high-quality coal and iron, and is rich in hydraulic resources, so it played an important role in the development of industry and supplying hydraulic power to the UK. The mountains are close to the sea, there is little plain, and the soil is poor, making it unsuitable for cultivation, so livestock farming and dairy farming are practiced. It is important in the study of Palaeozoic rocks, and the Cambrian, Ordovician, and Silurian periods are all derived from the old local and inhabitant names of this mountain region. Cambrian Mountains Cambrian |
イギリス,ウェールズの大部分を占める山地。おもに下部古生層から成り,カレドニア造山運動の褶曲を受けたが,その後の浸食作用により,現在は隆起準平原となっており,最高点を示す北西部のスノードン山 (1085m) やカーネズレウェリン山 (1062m) などが残丘となってそびえる。良質の石炭,鉄を産出し,水力資源が豊富なので,イギリスの工業発展,水力供給に重要な役割を果した。山地が海に迫り平野が少く,土壌はやせているので耕作には適さず,牧畜,酪農が行われている。古生代の岩石研究上重要なところで,カンブリア紀,オルドビス紀,シルル紀はいずれもこの山地の古い地方名や住民名に由来する。
カンブリア山地
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