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首页> 外文期刊>Journal of Asian earth sciences >Microfacies and depositional environment of the Cenomanian of the Bangestan anticline, SW Iran
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Microfacies and depositional environment of the Cenomanian of the Bangestan anticline, SW Iran

机译:伊朗西南部Bangestan背斜新生代的微相和沉积环境

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The Sarvak Formation (Albian to Turanian in age) of the Zagros basin is a thick sequence of shallow-water carbonates. This work focuses on the microfacies and sedimentary environment of the margin of the Cenomanian intrashelf basin. In the study area (southwest of Iran), the Sarvak Formation is subdivided into 12 microfacies that are distinguished by petrographic analysis on the basis of their depositional textures and fauna. In addition, four major depositional environments were identified in the Sarvak Formation. These include shelf lagoon, platform margin, slope and basin environmental settings, which are interpreted as a carbonate shelf without an effective barrier separating the platform from the open ocean.
机译:扎格罗斯盆地的萨尔瓦克组(年龄从阿拉伯到图拉尼时代)是浅水碳酸盐的厚层序。这项工作的重点是切诺曼尼亚陆架盆地边缘的微相和沉积环境。在研究区域(伊朗西南部),萨尔瓦克组被细分为12个微相,这些相通过岩相分析根据其沉积质地和动物区系得以区分。另外,在萨尔瓦克组中发现了四个主要的沉积环境。这些包括架子泻湖,平台边缘,坡度和盆地环境设置,这被解释为是一个碳酸盐岩架子,没有有效的屏障将平台与远洋分开。

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