Biostratigraphy of Gurpi Formation in Anaran anticline (Lurestan Province) based on calcareous nannofossils

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shahriyari S.; KANI A.; AMIRI BAKHTIAR H.; JAMALI A.

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Journal: Researches in Earth Sciences Year:2018 | Volume:9 | Issue:35 Page(s): 139-161

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Title

Biostratigraphy of Gurpi Formation in Anaran anticline (Lurestan Province) based on calcareous nannofossils

Author(s)

shahriyari S. | KANI A. | AMIRI BAKHTIAR H. | JAMALI A. | Issue Writer Certificate

Keywords

BiostratigraphyQ3

Gurpi FormationQ2

Anaran AnticlineQ1

K/Pg boundaryQ1

Calcareous NannofossilQ2

Abstract

The Gurpi Formation at Anaran Anticline in SE of Lurestan Province consists of 269. 5 meters of marl with limey marl intercalations; additionally, two formal members’ viz. Seymareh limestone and Emam-Hasan argillaceous limestone are also exposed. Studies reveal the presence of 70 species of Calcareous Nannofossils belonging to 38 genera, based on which 8 standard global biozones were differentiated. Consequently, the Gurpi Formation was attributed to middle Campanian through Paleocene. There is a distinct hiatus at Cretaceous-Paleogene boundary based on paleontological evidence, as deduced from the absence of nannofossilbiozones NP1-NP4. It seems that the reactivation of Anaranlinement as paleohigh resulted in change of facies and a hiatus in the succession of Gurpi Formation at SE of Lurestan Province.

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APA: Copy

shahriyari, S., KANI, A., AMIRI BAKHTIAR, H., & JAMALI, A.. (2018). Biostratigraphy of Gurpi Formation in Anaran anticline (Lurestan Province) based on calcareous nannofossils. RESEARCHES IN EARTH SCIENCES, 9(35 ), 139-161. SID. https://sid.ir/paper/207373/en

Vancouver: Copy

shahriyari S., KANI A., AMIRI BAKHTIAR H., JAMALI A.. Biostratigraphy of Gurpi Formation in Anaran anticline (Lurestan Province) based on calcareous nannofossils. RESEARCHES IN EARTH SCIENCES[Internet]. 2018;9(35 ):139-161. Available from: https://sid.ir/paper/207373/en

IEEE: Copy

S. shahriyari, A. KANI, H. AMIRI BAKHTIAR, and A. JAMALI, “Biostratigraphy of Gurpi Formation in Anaran anticline (Lurestan Province) based on calcareous nannofossils,” RESEARCHES IN EARTH SCIENCES, vol. 9, no. 35 , pp. 139–161, 2018, [Online]. Available: https://sid.ir/paper/207373/en

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