A river in Alberta, western Canada. It is 1,220 km long. It is one of the tributaries in the upper reaches of the Mackenzie River system, originating in Jasper National Park in the Canadian Rocky Mountains and flowing roughly northeast into Lake Athabasca. The southern part of the basin is the wheat region at the northwestern edge of the Canadian Prairie region, but the northern part is mainly forest or wilderness. The lower basin is one of the world's largest oil sands areas, which is currently being developed. [Masai Yasuo] [Athabasca Tar Sands] The lower Athabasca River basin is home to geological formations known as oil sands (tar sands) deposits. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
カナダ西部,アルバータ州の川。長さ1220km。マッケンジー川水系の上流部にある支流の一つで,カナディアン・ロッキー山脈のジャスパー国立公園内に発し,ほぼ北東流してアサバスカ湖に流入している。流域南部にカナダ・プレーリー地方北西端の小麦地帯があるが,北部は主として森林または原野となっている。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。 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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