Mapping Tectonic Deformation in the Crust and Upper Mantle Beneath Europe and the North Atlantic Ocean
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- Hejun Zhu
- Department of Geosciences, Princeton University, Princeton, NJ, USA.
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- Jeroen Tromp
- Department of Geosciences, Princeton University, Princeton, NJ, USA.
書誌事項
- 公開日
- 2013-08-23
- DOI
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- 10.1126/science.1241335
- 公開者
- American Association for the Advancement of Science (AAAS)
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説明
<jats:title>European History at Depth</jats:title> <jats:p> The preferential alignment of mineral grains as a result of flow direction can polarize seismic waves traveling through Earth's interior, based on velocity and direction. <jats:bold>Zhu and Tromp</jats:bold> (p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" issue="6148" page="871" related-article-type="in-this-issue" vol="341" xlink:href="10.1126/science.1241335">871</jats:related-article> , published online 8 August) mapped this anisotropy beneath the European continent and the North Atlantic Ocean—which are products of several tectonic events across varying temporal and spatial scales—using seismic tomography. The model generated correlates well with plate motion in the region, and, compared to geodetic measurements, much of the anisotropic features are consistent with modern strain rates. Some features below Eastern Europe, however, appear to be remnants of tectonic events that occurred over 350 million years ago. </jats:p>
収録刊行物
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- Science
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Science 341 (6148), 871-875, 2013-08-23
American Association for the Advancement of Science (AAAS)
