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首页> 外文期刊>Neues Jahrbuch fur Geologie und Palaontologie. Abhandlungen >The Campanian-Maastrichtian planktonic foraminifera of the Kopet-Dagh Basin (NE Iran): bioevents and biostratigraphy
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The Campanian-Maastrichtian planktonic foraminifera of the Kopet-Dagh Basin (NE Iran): bioevents and biostratigraphy

机译：Kopet-Dagh盆地的Campanian-Maastrichtian浮游生物Foraminifera（Ne Iran）：生物和生物数据库

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摘要

The Campanian-Maastrichtian Abtalkh Formation of the Kopet-Dagh Basin (NE Iran) has been studied for biostratigraphic purposes. The present study integrates results from three sections within the basin: Maraveh-Tapeh (Western Kopet-Dagh), Abtalkh Village and Qareh Sou (Eastern Kopet-Dagh). The biostratigraphic distribution of 59 species of planktonic foraminifera has been used to characterize the following zones: Globotruncanita elevata PRZ, Contusotruncana plummerae IZ, Globotruncana falsostuarti IZ, Radotruncana calcarata TRZ, Globotruncanella havanensis IZ, Globotruncana aegyptiaca IZ, Gansserina gansseri IZ, Contusotruncana contusa IZ, Abathomphalus mayaroensis IZ. The last three zones were identified within the Maraveh-Tapeh Basin only. In addition, the secondary biozonation was determined based on the distribution of Heterohelicidae within the Maraveh-Tapeh section and includes: Laeviheterohelix dentata IZ, P seudotextularia elegans IZ, Pseudotextularia excolata IZ, Planoglobulina acervuhnoides IZ, Racemiguembelina fructicosa IZ. The Abtalkh Formation is shown to be limited to the Campanian and represents an earliest-Late Campanian age in the eastern part of Kopet-Dagh Basin (Qareh Sou, Abtalkh Village). At Maraveh-Tapeh (Western Kopet-Dagh) it is dated as middle Campanian-Late Maastrichtian.
机译：Campanian-Maastrichtian Abtalkh形成了Kopet-Dagh盆地（Ne伊朗）的形成，已经研究了生物数据学目的。本研究将盆地内的三个部分融为一体：马拉韦赫 - 藏宝木（西部Kopet-DAGH），Abtalkh村和Qareh Sou（Eastern Kopet-DAGH）。 59种浮游生物的生物数据分布已经用于表征以下区域：Globotruncanita IZ，Contusotruncana Plummanae Iz，Globotruncana Calcaratuirti Iz，Glootruncanabalabeltz，GlobotruncanellaItez，Globotruncana Aegyptaca Iz，Gansserina Gansseri Iz，Contusotruncana Contusa Iz， abathomphalus mayaroensis iz。最后三个区域仅在玛拉韦 - 磁带盆地内识别。此外，次要生物的分布是基于Maraveh-Traveh部分内的异叶酸的分布，包括：Laeviheterhelix Dentata Iz，P Sudotextularia Elegans Iz，Pseudotextularia Excolata Iz，Planoglobulina Acervuhnoides Iz，Racemiguembelina Fructicosa Iz。 Abtalkh的形成被迹象于坎皮尼亚人限制，代表了Kopet-Dagh盆地东部最早的坎皮尼亚时代（Qareh Sou，Abtalkh Village）。在Maraveh-Tapeh（西部Kopet-DAGH），它被日期为中间Campanian-Dest Maastrichtian。

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