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Big lessons from little droplets

机译:小滴大教训

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摘要

How does Hawaii look deep below the surface? Like viewing an object at a different magnification, studies of minuscule inclusions in volcanic rocks on the surface provide a fresh perspective on the question. Mantle plumes are thought to be roughly elongate cylinders of rock that buoyantly rise up from deep within the Earth, manifesting themselves at the surface in features such as the Hawaiian islands and Iceland. Much attention has centred on Hawaii, because it is constructed from Earth's largest volcanoes distributed along two geochemically distinct alignments, and there is considerable debate about what these distinctions reveal about the underlying plume that feeds them. On page 837 of this issue. Ren et al. add to that debate: they show that interpretations depend on the size of the material that is subject to chemical analysis.
机译:夏威夷在水面下看起来如何?就像以不同的放大倍率查看物体一样,研究表面火山岩中的微小夹杂物也为该问题提供了新的视角。地幔柱被认为是岩石的细长圆柱体,从地球深处浮起,从地上升起,表现在诸如夏威夷群岛和冰岛等地表。夏威夷受到了很多关注,因为它是由地球上最大的火山沿着两个地球化学上不同的排列分布的火山构造而成的,并且关于这些区别揭示了喂养它们的潜在羽状流有何争议,引起了很多争论。在此问题的页837。任等人。进一步增加了争论:他们表明解释取决于要进行化学分析的材料的大小。

著录项

  • 来源
    《Nature》 |2005年第7052期|p.789-790|共2页
  • 作者

    Claude Herzberg;

  • 作者单位

    Department of Geological Sciences, Rutgers, State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey 08854, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 自然科学总论;
  • 关键词

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