The Info List - Kazakhstania

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KAZAKHSTANIA, also known as the KAZAKHSTAN BLOCK, is a small geological region in the interior of Asia
. It consists of the area north and east of the Aral Sea
Aral Sea
, south of the Siberian craton and west of the Altai Mountains and Lake Balkhash . Politically, it comprises most of what today is Kazakhstan
and has a total area of around 1.3 million km². The Junggar basin in Xinjiang
, China
is also part of Kazakhstania, though sometimes referred to as the JUNGGAR BLOCK.

It is believed that present-day Kazakhstania is chiefly a mélange of early Paleozoic volcanic island arcs and some small continental terranes . These were joined together during the Ordovician to form what was at the time an isolated continent of its own. During the Carboniferous
and Permian
, Siberia collided with Kazakhstania to form the Altai Mountains , later Baltica
collided in the Ural orogeny , creating the basis for most of present-day