Bass Strait

Japanese: バス海峡 - ばすかいきょう(英語表記)Bass Strait
Bass Strait

A strait between the southern coast of Victoria in southern Australia and Tasmania. It averages 240 km wide and is 60-100 m deep. It was formed when land that once connected the mainland to Tasmania sank due to marine transgression after the ice age. Flinders Island and King Island are remnants of the former land. There are oil fields off the coast of Gippsland at the eastern end, and crude oil and natural gas have been extracted from the seabed (Tertiary layers) since the 1960s. The crude oil reserves are 280 million kiloliters. Crude oil production (about 24 million kiloliters) accounts for about two-thirds of Australia's crude oil consumption. In 1798, explorers G. Bass and M. Flinders confirmed that it was a strait (and that Tasmania was an island).

[Tatsuya Taniuchi]

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

オーストラリア南部、ビクトリア州南岸とタスマニア島との間の海峡。幅は平均240キロメートル、水深60~100メートル。かつて大陸とタスマニア島とをつないでいた陸地が氷期以後の海進によって沈降してできた。フリンダーズ島、キング島などはかつての陸地の名残(なごり)である。東端のギプスランド沖合いに油田があり、海底(第三紀層)から1960年代以来原油および天然ガスが採掘されている。原油の埋蔵量は2億8000万キロリットル。原油の生産量(約2400万キロリットル)はオーストラリアの原油消費量の約3分の2を占める。1798年探検家G・バスおよびM・フリンダーズが海峡であること(タスマニア島が島であること)を確認。

[谷内 達]

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