The repeated division and joining of continents, and the spreading and disappearance of ocean floors throughout geological time. Proposed by Canadian geologist T. Wilson. It is believed that the supercontinents Pangaea and Rodinia, which once existed, were formed through this repeated process. Source: About Shogakukan Digital Daijisen Information | Legend |
地質時代を通じて、大陸の分裂や合体、海洋底の拡大と消滅が繰り返されること。カナダの地質学者T=ウィルソンにより提唱。かつて存在した超大陸パンゲアやロディニアは、この繰り返しの過程で形成されたと考えられている。
出典 小学館デジタル大辞泉について 情報 | 凡例 |
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