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South Tasman Rise : ウィキペディア英語版 | South Tasman Rise The South Tasman Rise is an area of seafloor that lies 550 km south of Hobart, Tasmania in the Southern Ocean where water depths are about 1,500 metres. The South Tasman Rise is also known as the Tasmania Ridge or South Tasmania Ridge. ==Geology== The rise forms a northern extension from the Macquarie-Balleny Ridge which extends to the subantarctic Balleny Islands. To east of the rise is the Tasman Basin, while the South Australian Basin extends westwards, south of the Great Australian Bight. The rise contains a number of seamounts, some of which have flat summits, indicating exposure above the sea surface at some time.〔 The rise most probably originates from subsided continental crust that fragmented as Australia and Antarctica separated. This area of the seafloor is slated for exploration of offshore oil reserves. No oil has been recovered from the South Tasman Rise.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「South Tasman Rise」の詳細全文を読む
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