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首页> 外文期刊>Journal of structural geology >Structural evolution of salt-influenced fold-and-thrust belts: A synthesis and new insights from basins containing isolated salt diapirs
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Structural evolution of salt-influenced fold-and-thrust belts: A synthesis and new insights from basins containing isolated salt diapirs

机译:盐影响的褶皱-冲断带的结构演化:含孤立盐底盆的盆地的综合和新见解

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摘要

Lateral shortening is expressed in unique ways in salt basins, especially if pre-shortening diapirs are present. We present an overview of previously-published and new physical models and present new 3-D conceptual models that capture the evolution of shortening structures in salt provinces dominated by precursor isolated diapirs (termed isolated-diapir provinces). In such provinces, isolated diapirs form only a minor volumetric component of a sedimentary basin, however, due to the relative weakness of rock salt and their ability to localize strain, during shortening they have a disproportionately large influence on structural development.
机译:横向缩短在盐盆地中以独特的方式表达,尤其是在存在预先缩短的斜度的情况下。我们介绍了以前发布的物理模型和新的物理模型的概述,并提出了新的3-D概念模型,这些模型捕获了由前驱隔离底物主导的盐省(称为隔离dia虫省)中缩短结构的演变。在这样的省份中,孤立的底栖动物仅占沉积盆地体积的一小部分,但是,由于岩盐相对较弱以及它们对应变的定位能力,在缩短过程中,它们对结构发育的影响特别大。

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