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The plateau occupies a great part of central Siberia between the Yenisei and Lena rivers. It is located in the Siberian Platform and extends over an area of 3,500,000 km 2 (1,400,000 sq mi), between the Yenisei in the west and the Central Yakutian Lowland in the east.
The Central Siberian Plateau is an ancient craton (sometimes named Angaraland) that formed an independent continent before the Permian (see the Siberian continent). It is exceptionally rich in minerals, containing large deposits of gold , diamonds , and ores of manganese , lead , zinc , nickel , cobalt , and molybdenum .
About 2.5 billion years ago (in the Siderian Period), Siberia was part of a continent called Arctica, along with the Canadian Shield.Around 1.1 billion years ago (in the Stenian Period), Siberia became part of the supercontinent of Rodinia, a state of affairs which lasted until the Tonian about 750 million years ago when it broke up, and Siberia became part of the landmass of Protolaurasia.
North Siberian Lowland, a plain with a relatively flat relief separating the Byrranga Mountains of the Taymyr Peninsula in the north from the Central Siberian Plateau in the south. Area approximately 400,000 km 2 (150,000 sq mi). [6]
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The plateau is part of the East Siberian taiga ecoregion. It is entirely covered by somewhat sparse and undersized larch taiga, except on the highest summits where only mountain tundra grows. There are swamps in the river valleys. [4] The Tunguska Plateau is located in the permafrost zone and the soil never thaws at great depths. [5]
The Yenisey Range is a subrange of the Central Siberian Plateau.It is a relatively low range, cut across by swampy intermontane basins. The range stretches along the right bank of the Yenisey in the southwestern edge of the plateau, between the valley of the Kan River in the south and the Stony Tunguska in the north, beyond which rises the Tunguska Plateau.
The Syverma Plateau is located in central Krasnoyarsk Krai. To the north it merges with the Putorana Mountains and to the west the border with the Tunguska Plateau is not clearly defined. To the east the Syverma Plateau limits with the Vilyuy Plateau. [2] The average height of the plateau is between 600 meters (2,000 ft) and 900 meters (3,000 ft).