Russia · Geography · Hard
Answer: Central Siberian Plateau — The Central Siberian Plateau is underlain by the Siberian Traps, a vast region of volcanic rock formed by massive eruptions at the Permian-Triassic boundary about 250 million years ago.
The Central Siberian Plateau is underlain by the Siberian Traps, a vast region of volcanic rock formed by massive eruptions at the Permian-Triassic boundary about 250 million years ago.