Athabasca Tar Sands

Japanese: アサバスカ・タールサンド - あさばすかたーるさんど
Athabasca Tar Sands

…The downstream area is home to one of the world's largest oil sands regions, which are currently being developed. [Masai Yasuo]
[Athabasca Tar Sands]
The lower Athabasca River basin is home to a geological formation known as the oil sands (or tar sands). The deposits are dark brown, viscous sand layers (average thickness of 50+ meters) that contain heavy hydrocarbon oil (bitumen), and are found at depths of 0-300 meters and over an area of ​​25,000 km2.

*Some of the terminology used to refer to "Athabasca Tar Sands" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…下流域には世界最大級のオイルサンド地域があり,開発が進められている。【正井 泰夫】
[アサバスカ・タールサンド]
 アサバスカ川下流域には,オイルサンド(タールサンド)鉱床として知られる地層が発達している。黒褐色で粘稠な,重質の炭化水素油(ビチューメンbitumen)を含む砂層(厚さは平均五十数m)で,深さ0~300mの所に面積2万5000km2にもわたって存在している。…

※「アサバスカ・タールサンド」について言及している用語解説の一部を掲載しています。

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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