Stratigraphy of the Alveolina elliptica group from the Middle Eocene of Iran:Calibration with calcareous nannofossils biozones and description of Alveolina ozcani n.sp.

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外文摘要：Precise taxonomy and the chronostratigraphic calibration of the Middle Eocene Alveolina from Central Iran is here undertaken from the Chah-Talkh section of the southern Sabzevar region(Central Iran).We have identified Alveolina kieli,Alveolina stercusmuris and Alveolina nuttalli along with the new species Alveolina ozcani n.sp.that we include into the Alveolina elliptica group.We have also found Nummulites uroniensis,Nummulites obesus and Nummulites cf.verneuili and associated calcareous nannofossils that look reliable to make thoughtful correlations with the Shallow Benthic Zones(SBZ).The foraminiferal biostratig-raphy suggests an assignment to the upper part of the lower Lutetian-lower part of the middle Lutetian,SBZ13(Middle Eocene),further strengthened through the identification of the calcareous nannofossil NP14b-NP15b or CNE8-CNE10 biozones,providing a solid correlation with the global stratigraphic standards.

外文关键词：

AlveolinaCalcareous nannofossilCentral neo-tethysCentral IranMiddle EoceneBiostratigraphy

作者：

Mehdi Hadi、Lorenzo Consorti、Ali Bahrami、Mohammad Parandavar、Saeed Khorramdel

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作者单位：

Department of Geology,Faculty of Sciences,University of Isfahan,Isfahan,Iran

Institute of Marine Sciences(ISMAR-CNR),Area Science Park,Basovizza,34149 Trieste,Italy

National Iranian Oil Company,Exploration Directorate,Sheikh Bahaei Square,Tehran,Iran

Department of Geology,Faculty of Science,Ferdowsi University of Mashhad,Mashhad,Iran

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基金：

Vice Chancellor for Research and Technology at University of Isfahan

项目编号：

出版年：

2024

DOI：

10.1016/j.jop.2023.11.002

古地理学报(英文版)

影响因子：0.186

ISSN：

年,卷(期)：2024.13(1)

参考文献量77