Altiplano (English spelling)

Japanese: アルチプラノ（英語表記）Altiplano

A plateau in the Andes that stretches from about 15° south latitude in southern Peru through Bolivia to the border between Chile, Argentina, and Bolivia (about 23° south latitude). It is 150-250 km wide and 3,500-4,500 m above sea level. It is a structural basin (depression) between the Oriental Mountains, which are made up of marine Palaeozoic strata and granite that runs through them, and the Occidental Mountains, which are made up of volcanic rocks. In the north is the freshwater Lake Titicaca, and the Desaguadero River that flows out of it empties into Lake Poopó, a salt lake with no outlet.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

ペルー南部，南緯15゜付近からボリビアをへて，チリ，アルゼンチン，ボリビア3国国境(南緯23゜付近)まで続くアンデス山脈中の高原。幅150～250km。標高3500～4500m。海成の古生層およびそれを貫く花コウ岩よりなるオリエンタル山脈と，火山岩からなるオクシデンタル山脈に挟まれて分布する構造性盆地(凹陥地)である。北部には淡水のチチカカ湖があり，それから流れ出すデサグアデーロ川は出口のない塩湖ポーポ湖に注ぐ。

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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