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首页> 外文期刊>Stratigraphy >Planktonic foraminifera and dinoflagellate cysts from the Upper Cretaceous Abderaz Formation in the Koppeh-Dagh Basin, NE Iran
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Planktonic foraminifera and dinoflagellate cysts from the Upper Cretaceous Abderaz Formation in the Koppeh-Dagh Basin, NE Iran

机译：来自koppeh-dagh盆地的上白垩纪阿德拉达的浮游动物囊肿和丁络石囊肿囊肿

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摘要

Assemblages of planktonic foraminifera and dinoflagellate cysts were studied from the 359 m thick Padeha-Baghak composite section of the Abderaz Formation, eastern Koppeh-Dagh Basin, NE Iran. The formation consists mainly of light grey shales and marls with three chalky limestone beds in the upper part. Nine genera and 44 species of planktonic foraminifera and 39 genera and 85 species of dinoflagellate cysts are identified. Planktonic foraminifera are attributed to four biozones (Dicarinella primitiva-Marginotruncana sigali, Dicarinella concavata, Dicarinella asymetrica and Globotruncanita elevata zones). Two dinocyst superzones (Conosphaeridium striatoconum Superzone and the lower part of the Odontochitina porifera Superzone) with seven interval zones are recognized. These biozones suggest a late Turonian-early Campanian age for the Abderaz Formation in this part of the Koppeh-Dagh Basin.
机译：从Abderaz形成的359米厚的Padeha-Baghak综合段，Eastern Koppeh-Dagh盆地，Ne Iran，研究了浮游动物的组装和恐龙植物囊肿。 该地层主要包括浅灰色的Shales和Marls，上部有三个Chalky石灰岩床。 鉴定了九属和44种氏菌氏菌菌和39种和85种Dinoflagellate囊肿。 浮游植物的foraminifera归因于四个生物区域（Dicarinella primitiva-margonotruncana sigali，Dicarinella骨癌，Dicarinella asymetrica和Globotruncanita Ilevata区）。 识别出具有七个间隔区的两种DinoCyst超波酮（Conosphaeridium superzone超屈曲，odontochitina porifera superzone的下部）。 这些生物兴趣表明了在Koppeh-Dagh盆地的这一部分中的Adderaz形成了已故的Turonian-早期的坎皮尼亚时代。

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