| 单词 | Siberian traps |
| 释义 | Siberian traps A very large region of thick basaltic rock near the Siberian city of Tura and associated with one of the largest volcanic eruptions in the earth's history. The eruption took place approximately 245 million years ago and is thought to be a cause of the mass extinctions at the boundary of the Permian and Triassic Periods. |
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