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首页> 外文期刊>Earth and Planetary Science Letters: A Letter Journal Devoted to the Development in Time of the Earth and Planetary System >Tsunami deposits on the coastline of west Crete (Greece)
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Tsunami deposits on the coastline of west Crete (Greece)

机译：西克里特岛（希腊）海岸线上的海啸沉积物

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The eastern Mediterranean and the Aegean Sea in particular, are the most active seismic regions in Europe. Historically, numerous earthquakes have occurred in this part of the world and comprehensive tsunami recordings exist. Nevertheless, field evidence of tsunamis is rare, although many neotectonic movements certainly must have triggered very strong tsunami waves. Along the coastlines of western Crete, we found evidence for tsunami impacts, such as 1) bimodal deposits (large clasts floating in sands comprised of shell fragments); 2) dislocation of large boulders with tilting of biogenous notches; and 3) boulders (with Lithophaga or Cliona borings) weighing up to 75 tons thrown onshore and imbedded in strata of marine shells. This paper documents these deposits and discusses whether they originated from the sudden uplift that occurred in 365 AD. Moreover, numerical radiocarbon ages reveal the occurrence of two tsunamis dated to 5660 yrs BP and 500 yrs BP. Evidence for other tsunami impacts is discussed, but not supported by numerical dating due to the lack of suitable material. (c) 2007 Published by Elsevier B.V.
机译：地中海东部尤其是爱琴海是欧洲最活跃的地震区。历史上，该地区曾发生过多次地震，并有全面的海啸记录。尽管如此，尽管许多新构造运动必定会引发非常强烈的海啸波，但海啸的现场证据很少。在克里特岛西部的海岸线上，我们发现了海啸影响的证据，例如：1）双峰沉积物（大碎屑漂浮在由贝壳碎片组成的沙子中）; 2）大块巨石错位，带有生物缺口。 3）重达75吨的巨石（带有Lithophaga或Cliona钻孔）在岸上抛掷并埋在海贝壳层中。本文记录了这些沉积物，并讨论了它们是否起源于公元365年的突然隆升。此外，数字放射性碳年龄揭示了两次海啸的发生，其发生时间分别为5660年BP和500年BP。讨论了其他海啸影响的证据，但由于缺乏合适的材料，因此未得到数值测年的支持。 （c）2007年由Elsevier B.V.

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