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首页> 外文期刊>International Journal of Earth Sciences >New biological zonation of a late Jurassic coral reef complex (Lorraine, France)
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New biological zonation of a late Jurassic coral reef complex (Lorraine, France)

机译：侏罗纪珊瑚礁复合物（法国洛拉郡）的新生物分区

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Late Jurassic coral assemblages and their ecological reef zonation (as a function of water depth) were studied in 490 m deep shafts dug for the underground laboratory of the French National Agency for Radioactive Waste Management (ANDRA). Based on a quantitative approach, several ecozones are distinguished. Identified ecozones represent evolution from the initiation of the reef during a shallowing of depositional environments to the end of the platform progradation in sheltered settings. Ecozones are defined by the most abundant genera Dimorpharaea, Microsolena, Rhabdophyllia, Comoseris, and Stylina. The slight differences between these coral associations when compared to regional outcrops can be explained by the more distal palaeogeographical location of the studied section, close to the platform margin. This study strengthens the zonation model proposed for coeval Oxfordian outcrops in the Jura Mountains with the exception that the Rhabdophyllia ecozone replaces the Dendraraea ecozone. Other comparisons are proposed and take into account the progress in coral taxonomy in the past 15 years.
机译：490米深度挖掘的地下实验室（ANDRA）的地下实验室，研究了晚期侏罗纪珊瑚组合及其生态珊瑚礁区（作为水深的函数）。基于定量方法，区分了几种杂波。所识别的eDozones代表珊瑚礁在蒸发环境中启动珊瑚礁的演变，以在庇护的环境中平台初步的结束时。 Ecozones由最丰富的白叶，微溶剂，Rhabdophyllia，Comoseris和Stylina定义。与区域露头相比，这些珊瑚关联之间的轻微差异可以通过研究部分的古地理位置更远距离进行解释，接近平台余量。该研究加强了汝拉山脉患者群牛津妇露头的区分模型，除了摇癌症异氮酮替代Dendraraea Ecozone。提出了其他比较，并考虑到过去15年珊瑚分类的进程。

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