It is an attached sea of the Indian Ocean located southwest of the Asian continent. It is bordered by India to the east and the Arabian Peninsula to the west, and the distance between Cape Comorin at the southern tip of India and Cape Asir at the northeastern tip of Africa is about 3000 km. The Gulf of Oman, which forms a branch of the Persian Gulf, enters the northwest, and the Gulf of Aden, which is part of the Red Sea, enters the southwest. The average depth is 2734 m, and the maximum depth is 5875 m in the Arabian Basin. It is divided into two basins by the Carlsberg Ridge, which extends southeastward from Socotra Island, northeast of the eastern tip of Africa. A deep-sea submarine canyon has been discovered off the mouth of the Indus River. Clastic sediments are distributed on the continental shelf slope, Globigerina ooze is distributed at depths of 2500 m or more, and red clay is distributed at depths of 3600 m or more. The Laccadive Islands are located off the west coast of India in the east, and the Kuria Murian Islands are located on the eastern coast of the Arabian Peninsula in the west. Major port cities include Mumbai (Bombay) in India, Cochin on the southwest coast, and Karachi in Pakistan. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
アジア大陸の南西に位置するインド洋の付属海。東にインド,西にアラビア半島を控え,インド南端のコモリン岬とアフリカ北東端のアシール岬との間は約 3000km。西北部にはペルシア湾の支湾を形成するオマーン湾,西南部には紅海の一部に属するアデン湾が入込む。平均深度は 2734m,最高深度はアラビア海盆の 5875m。アフリカ東端の東北方のソコトラ島から南東方向に延びているカールスバーグ海嶺によって2つの海盆に分けられる。インダス河口沖で深海の海底谷が発見されている。大陸棚斜面上には砕屑性堆積物が,2500m以深にはグロビゲリナ軟泥が,3600m以深には赤粘土が分布している。東部のインド西岸沖合いにはラッカディブ諸島,西部のアラビア半島東岸の沿岸にクリアムリア諸島が浮ぶ。主要港湾都市はインドのムンバイ (ボンベイ) ,同南西岸にあるコーチン,パキスタンのカラチなどである。
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