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马里亚纳海沟“挑战者深渊”俯冲板块上地幔蛇纹石化层特性获揭示
马里亚纳“挑战者深渊”作为全球最深的海沟,位于伊豆 - 小笠原 - 马里亚纳俯冲带的最南段。该区域的俯冲板块具有古老年龄、陡峭俯冲角度以及强烈基底变形等特点,被视作端元型俯冲带。此前,研究团队曾搭乘“探索一号”TS03 航次,在马里亚纳俯冲带南段横穿 ...
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