From Wikipedia, the free encyclopedia
中洋脊(Mid-ocean ridge),又叫洋脊、大洋中脊、中央海岭,是垃拉全球海中张裂性板块边界个一系列火山结构系统,也是世界上最长个山脉、海底山脉,长达80,000千米(49,700英里),其中连续个山脉长达65,000千米(40,400英里),搭渠相对应个地质结构是陆地上个裂谷(地堑),地幔个热对流拉中洋脊中央处上升,岩浆拉此地涌出后,快速冷却为玄武岩,形成新个海洋地壳.洋中脊构造是板块构造个一部分。
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