首页> 外文OA文献 >Sobre el origen de la asimetría en el patrón general del relieve en el interior de la Península Ibérica: nuevos resultados obtenidos mediante modelación análoga
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Sobre el origen de la asimetría en el patrón general del relieve en el interior de la Península Ibérica: nuevos resultados obtenidos mediante modelación análoga

机译:关于伊比利亚半岛内部地势总体格局不对称的起源:通过类似建模获得的新结果

摘要

Analogue modelling contributes to the interpretation of lithosphere scale folds in Iberia as a result of largescaleudconvergence during Oligocene-Miocene times between the Iberian and European Plates. Different tectonothermaludevents affected the microplate since late Paleozoic and resulted in lateral strength variations of the Iberianudlithosphere. An old and cold lithosphere, Variscan in age, can be found in the westernmost part of Iberia whereasuda relative weak and hot Mesozoic lithosphere affected by episodes of rifting and basin inversion during Mesozoic-udTertiary times covers the area of the Iberian Chain. Our study aims at deciphering whether deformation andudtopography evolution in Iberia are related to lateral strength variations and/or the inherited structural grain stemming from Variscan deformation. We also have studied the strength of the lithosphere to gain insights into the effects of rheological variations related to local thrusting or primary strength variations along the Iberian lithosphere.
机译:由于在伊比利亚板块和欧洲板块之间的渐新世-中新世时期大规模超融合,模拟模型有助于解释伊比利亚岩石圈尺度褶皱。自古生代晚期以来,不同的构造热事件影响了微板,并导致伊比利亚超石圈的横向强度变化。伊比利亚最西端发现了一个古老而寒冷的岩石圈,年龄为瓦里斯坎,而在中生代至第三纪期间受裂谷和盆地反转的影响,相对较弱的中生代岩石圈覆盖了伊比利亚链地区。我们的研究旨在破译伊比利亚的变形和 utopography演变是否与横向强度变化和/或源自Variscan变形的遗传结构晶粒有关。我们还研究了岩石圈的强度,以深入了解与伊比利亚岩石圈局部推力或主要强度变化有关的流变变化的影响。

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