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首页> 外文期刊>Zeitschrift der Deutschen Gesellschaft fur Geowissenschaften: ZDGG >Basin evolution of the Anisian Peri-Tethys: implications from conodont assemblages of Lower Muschelkalk key sections (Central Europe)
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Basin evolution of the Anisian Peri-Tethys: implications from conodont assemblages of Lower Muschelkalk key sections (Central Europe)

机译：Anisian Peri-Thethys的盆地演变：来自下穆斯库尔克钢钥匙部分（中欧）的Conodont集合的影响

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摘要

Lower Muschelkalk carbonates of the Peri-Tethys Basin are considered as poor in age-diagnostic index fossils, thus unequivocal basin-wide correlations remain difficult. Additionally, the lack of a bed-by-bed analysis and documentation of the fossil content of complete key sections hinders high-resolution biostratigraphy and therefore the discussion on the stratigraphic use of different fossil groups is controversial. The present study focuses on the microfossils of the German Lower Muschelkalk (Jena Formation) type section Jena-Steudnitz, representing deposits of the central part of the basin. The microfaunal assemblage is analysed with respect to eustatic signals as documented in the stratal and lateral facies architecture and distribution, and compared with recently obtained micropalaeontological data from other key sections of the Peri-Tethys gate areas, both in the SW (Switzerland) and SE (Poland). Finally, the particular significance of conodonts to decipher the palaeogeographic and eustatic basin evolution is pointed out in the context of over-regional geodynamic processes, highlighting migration and distribution patterns during the Early Anisian.
机译：珀西盆地的低沟碳酸盐被认为是年龄诊断指数化石中的差，因此明确的盆地相关的相关性仍然困难。此外，缺乏床上床分析和完整关键部分化石含量的文件阻碍了高分辨率的生物数据库，因此对不同化石群的地层使用的讨论是有争议的。本研究重点介绍德国下穆斯库尔普拉斯（Jena地层）型jena-steudnitz的微基质，代表了盆地中部部分的沉积物。根据划分和横向相架构和分布中记录的泛静电信号分析了微荷园组合，并与来自SW（瑞士）和SE的Peri-Thethys栅极区域的其他关键部分中获得的最近获得的微透析数据相比（波兰）。最后，在过于区域地球动力学过程的背景下，突出了在早期奥西安期间的迁移和分布模式的背景下指出了胚胎解读古地理和尤氏盆地演化的特殊意义。

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