TheTurgay Plateau (Kazakh:Торғай Үстірті,Torğai Üstırtı;Russian:Тургайское плато) is a plateau in north-westKazakhstan, centralAsia. It lies 200–300 m above sea level.
It extends some 630 km north–south and 300 km east–west. It is bisected by theTurgay Depression which is 800 km long and during the last ice age provided an outlet for the extinctWest Siberian Glacial Lake.
Between theCretaceous andEocene, the plateau was part of theTurgai Straits or West Siberian Sea, an extension of theTethys Sea that separated Asia from Europe.
50°03′00″N61°50′00″E / 50.05°N 61.833334°E /50.05; 61.833334
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