It is a bay in the Normandy region of northern France, stretching from the mouth of the Seine estuary to the northeastern tip of the Cotentin Peninsula on the west side, facing the English Channel. The coastal geology is composed of Cretaceous and Jurassic limestone in the east, and older rocks of the Armorican Mountains in the west. The Seine, Orne, and Bire rivers flow into the bay, forming alluvial plains. Most of the bay is 10 to 50 meters deep, with large tidal variations. The bottom is generally sandy, but there are also sandy and muddy areas near the mouth of the Seine estuary, and rocky areas near Isigny and Barfleur. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
フランス北部,ノルマンディー地方,セーヌ河口付近から西へコタンタン半島北東端までの湾でイギリス海峡に臨む。沿岸の地質は,東部は白亜紀,ジュラ紀の石灰岩など,西部はアルモリカン山地の古い岩石から成る。セーヌ川,オルヌ川,ビール川などが流入し,それぞれ沖積地をつくっている。湾の水深は大部分が10~50mで,干満の差が大きい。底質は一般に砂質であるが,セーヌ河口付近など砂泥質,イジニ,バルフルール付近など岩石質の部分もある。
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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