Sea of Marmara - Marmara Denizi

Japanese: マルマラ海 - マルマラかい（英語表記）Marmara Denizi

A small inland sea between the Bosphorus and the Dardanelles. It is connected to the Black Sea by the Bosphorus and the Aegean Sea by the Dardanelles, and separates the Asian and European sides of Turkey. In ancient times it was called the Propontis Sea. It is 280 km long from east to west, and 80 km wide at its widest point from north to south. It has an area of ^only 11,350 km2, but its average depth is 494 m, and in the center it is 1,355 m deep. It has an average salinity of 22‰ and no strong currents. It was formed by crustal movements from the end of the Neogene to the early Pleistocene of the Quaternary period, and is an area prone to earthquakes. There are two island groups, and the Kizil Islands near Istanbul are mainly a tourist destination. The other is the Marmara Islands, located near the Kapdau Peninsula on the southern coast. They are made up of granite, slate and marble, and since there were marble quarries there since ancient times, the Sea of Marmara is named after the Greek word marmaros, meaning marble.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

ボスポラス海峡とダーダネルス海峡に挟まれた小内海。ボスポラス海峡で黒海に，ダーダネルス海峡でエーゲ海に通じ，トルコのアジア側とヨーロッパ側とを分けている。古代ではプロポンティス海と呼ばれた。東西の全長 280km，南北の幅が最も広いところで 80km。面積は 1万1350km²にすぎないが，平均深度は 494m，中心部では深度 1355mにも及ぶ。塩分は平均 22‰で，強い海流はない。新第三紀末から第四紀更新世前期の地殻変動によって形成されたもので，地震の多発地帯である。二つの島嶼群があり，イスタンブールに近いクズル諸島はおもに行楽地である。もう一つは南岸のカプダウ半島に近いマルマラ諸島で，花崗岩，粘板岩，大理石からなり，古くから大理石の石切場があったことから，大理石を意味するギリシア語の marmarosがマルマラ海の名の由来となった。

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