Biostratigraphy of the Kazhdumi Formation (Albian), northeast of Shiraz, Zagros Basin (SW of Iran)

The Kazhdumi Formation is one of the most significant rock units in the Bangestan Group in Zagros Basin. In this study, one section of the Kazhdumi Formation (Kuh-e-Rahmat) was selected for research. The section is extended approximately 89 m thick. The lower lithostratigraphic limit of the Kazhdumi...

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Bibliographic Details
Published in:Carbonates and evaporites 2020-12, Vol.35 (4), Article 103
Main Authors: Afghah, Massih, Shirazi, Mahnaz Parvaneh Nejad, Keshavarzi, Mojtaba
Format: Article
Language:English
Subjects:
Algae
Biostratigraphy
Earth and Environmental Science
Earth Sciences
Geology
Mineral Resources
Mineralogy
Original Article
Stratigraphy
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Summary:The Kazhdumi Formation is one of the most significant rock units in the Bangestan Group in Zagros Basin. In this study, one section of the Kazhdumi Formation (Kuh-e-Rahmat) was selected for research. The section is extended approximately 89 m thick. The lower lithostratigraphic limit of the Kazhdumi Formation is marked by an oxidized zone, while the upper boundary is described as gradational type. The stratigraphic distribution of foraminifer taxa confirms two biozones in the studied section: Hemicyclammina sigali and Mesorbitolina subconcava in the Assemblage Zone and Mesorbitolina aperta in the range zone. Based on the investigated calcareous algae, Trinocladus tripolitanus , Range Zone is described. The identified calcareous algae are well distributed along Kazhdumi Formation. According to the received data of the established biozones, the age of the Kazhdumi Formation is Albian.
ISSN:0891-2556
1878-5212
DOI:10.1007/s13146-020-00635-z