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首页> 外文期刊>International Journal of Earth Sciences >Fusulinoids from the Bashkirian-Moscovian transition beds of the Shahreza region in the Sanandaj-Sirjan Zone, Iran
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Fusulinoids from the Bashkirian-Moscovian transition beds of the Shahreza region in the Sanandaj-Sirjan Zone, Iran

机译：来自伊朗Sanandaj-Sirjan区Shahreza地区的Bashkirian-Moscovian过渡层的岩藻素

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摘要

The presence of the Bashkirian-Moscovian (lower Pennsylvanian) sequence with mixed siliciclastics and fossil-rich carbonates has long been known from the Sanandaj-Sirjan Zone in Iran. However, except for a few studies, its biostratigraphy was not previously investigated in detail. A fusulinoid fauna is recovered from newly measured section, which we named the Asad Abad II section. It is located near the Shahreza town in the Sanandaj-Sirjan Zone. The most important fusulinoids of this assemblage are Aljutovella cf. aljutovica Rauser-Chernosouva, Tikhonovichiella tikhonovichi (Rauser-Chernosouva), and Profusulinella (Depratina) prisca (Deprat); they occur in association with species of Ozawainella, Staffellaeformis, and Pseudostaffella. This fauna overall represents a fauna of the latest Bashkirian-earliest Moscovian transition period in the Sanandaj-Sirjan Zone. This new fusulinoid fauna shares some common species with the concurrent faunas of the Alborz, East Iran, and Central Iran. Furthermore, it can be easily compared with those of the Russian Platform, Southern and Northern Urals, and Central Taurides (Turkey). The four species of the current fauna, namely Eostaffella compressa Brazhnikova, E. primitiva (Dutkevich), Pseudostaffella timanica Rauser-Chernosouva, and Profusulinella postpararhombiformis Dzhenchuraeva are reported from Iran for the first time. This study also presents the first occurrence of the genera Aljutovella and Tikhonovichiella in the Sanandaj-Sirjan Zone of Iran.
机译：早在伊朗的桑南达杰-瑟里安地区就已经知道存在混合有硅质碎屑和富含化石的碳酸盐的Bashkirian-Moscovian（下宾夕法尼亚州）层序。但是，除少数研究外，以前未对其生物地层学进行过详细研究。从新测量的部分（我们将其命名为Asad Abad II部分）中恢复了一个类葡糖类动物区系。它位于Sanandaj-Sirjan区的Shahreza镇附近。该组合中最重要的类风湿素是Aljutovellacf。 aljutovica Rauser-Chernosouva，Tikhonovichiella tikhonovichi（Rauser-Chernosouva）和Profusulinella（Depratina）prisca（Deprat）；它们与Ozawainella，Staffellaeformis和Pseudostaffella的物种有关。该动物群总体上代表了Sanandaj-Sirjan地区最近的巴什基尔人最早的莫斯科过渡时期的动物群。这种新的类古菌群动物与阿尔伯兹，东伊朗和伊朗中部的同时动物群共有一些共同的物种。此外，可以轻松地将其与俄罗斯平台，乌拉尔南部和北部以及陶里德中部（土耳其）相比较。伊朗首次报道了当前动物区系的四个物种，即布拉氏乳杆菌，初生大肠杆菌（Dutkevich），泰曼假单胞菌Rauser-Chernosouva和后副孢子虫Dzhenchuraeva。这项研究还介绍了Aljutovella和Tikhonovichiella属首次出现在伊朗的Sanandaj-Sirjan区。

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