Litho- and biostratigraphy of the Upper Jurassic Mozduran Formation, Kopet-Dagh, Iran, and its paleoenvironmental implications

Mehdi Sarfi; Amin Navidtalab; Mohsen Yazdi-Moghadam; Sayed Saeedalreza Eslami; Mehrdad Naghusi

doi:10.1016/j.palwor.2022.08.002

Litho- and biostratigraphy of the Upper Jurassic Mozduran Formation, Kopet-Dagh, Iran, and its paleoenvironmental implications

Mehdi Sarfi, Amin Navidtalab, Mohsen Yazdi-Moghadam, Sayed Saeedalreza Eslami, Mehrdad Naghusi

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

The Upper Jurassic Mozduran Formation at Baghak section, Kopet-Dagh area northeast Iran, characterized by multiple units of carbonates and evaporates intercalated with siliciclastic deposits, yielded benthic foraminifera, calcareous algae, and crustacean coprolites, including Alveosepta jaccardi, Charentia aff. nana, Deloffrella quercifoliipora, Marinella cf. lugeoni, Favreina, and Solenopora sp. The almost consistent occurrence of Alveosepta jaccardi in the studied section, i.e., the Alveosepta jaccardi Zone, indicates late Oxfordian to the Kimmeridgian in age. Facies analysis of the formation reveals depositional settings of a peritidal zone, a lagoon, and a high-energy shoal of a carbonate ramp. Terrigenous and evaporites are found in eastern parts of Kopet-Dagh, representing a more proximal sedimentary environment. These siliciclastic inputs are associated with tectonic events during Oxfordian to Tithonian in the region.

Original language	English
Pages (from-to)	458-469
Journal	Palaeoworld
Volume	32
Issue number	3
DOIs	https://doi.org/10.1016/j.palwor.2022.08.002
Publication status	Published - 1 Sept 2023
Externally published	Yes

Funding

All the authors thank Damghan University for supporting this study and the third author is grateful to NIOC Exploration Directorate for permission of publication. Helpful comments by Ioan I. Bucur (Cluj-Napoca), and an anonymous reviewer significantly improved the quality of this paper. We thank the editors for valuable remarks.

Funders	Funder number
NIOC Exploration Directorate
Damghan University

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title = "Litho- and biostratigraphy of the Upper Jurassic Mozduran Formation, Kopet-Dagh, Iran, and its paleoenvironmental implications",

abstract = "The Upper Jurassic Mozduran Formation at Baghak section, Kopet-Dagh area northeast Iran, characterized by multiple units of carbonates and evaporates intercalated with siliciclastic deposits, yielded benthic foraminifera, calcareous algae, and crustacean coprolites, including Alveosepta jaccardi, Charentia aff. nana, Deloffrella quercifoliipora, Marinella cf. lugeoni, Favreina, and Solenopora sp. The almost consistent occurrence of Alveosepta jaccardi in the studied section, i.e., the Alveosepta jaccardi Zone, indicates late Oxfordian to the Kimmeridgian in age. Facies analysis of the formation reveals depositional settings of a peritidal zone, a lagoon, and a high-energy shoal of a carbonate ramp. Terrigenous and evaporites are found in eastern parts of Kopet-Dagh, representing a more proximal sedimentary environment. These siliciclastic inputs are associated with tectonic events during Oxfordian to Tithonian in the region.",

author = "Mehdi Sarfi and Amin Navidtalab and Mohsen Yazdi-Moghadam and Eslami, {Sayed Saeedalreza} and Mehrdad Naghusi",

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AU - Sarfi, Mehdi

AU - Navidtalab, Amin

AU - Yazdi-Moghadam, Mohsen

AU - Eslami, Sayed Saeedalreza

AU - Naghusi, Mehrdad

PY - 2023/9/1

Y1 - 2023/9/1

N2 - The Upper Jurassic Mozduran Formation at Baghak section, Kopet-Dagh area northeast Iran, characterized by multiple units of carbonates and evaporates intercalated with siliciclastic deposits, yielded benthic foraminifera, calcareous algae, and crustacean coprolites, including Alveosepta jaccardi, Charentia aff. nana, Deloffrella quercifoliipora, Marinella cf. lugeoni, Favreina, and Solenopora sp. The almost consistent occurrence of Alveosepta jaccardi in the studied section, i.e., the Alveosepta jaccardi Zone, indicates late Oxfordian to the Kimmeridgian in age. Facies analysis of the formation reveals depositional settings of a peritidal zone, a lagoon, and a high-energy shoal of a carbonate ramp. Terrigenous and evaporites are found in eastern parts of Kopet-Dagh, representing a more proximal sedimentary environment. These siliciclastic inputs are associated with tectonic events during Oxfordian to Tithonian in the region.

AB - The Upper Jurassic Mozduran Formation at Baghak section, Kopet-Dagh area northeast Iran, characterized by multiple units of carbonates and evaporates intercalated with siliciclastic deposits, yielded benthic foraminifera, calcareous algae, and crustacean coprolites, including Alveosepta jaccardi, Charentia aff. nana, Deloffrella quercifoliipora, Marinella cf. lugeoni, Favreina, and Solenopora sp. The almost consistent occurrence of Alveosepta jaccardi in the studied section, i.e., the Alveosepta jaccardi Zone, indicates late Oxfordian to the Kimmeridgian in age. Facies analysis of the formation reveals depositional settings of a peritidal zone, a lagoon, and a high-energy shoal of a carbonate ramp. Terrigenous and evaporites are found in eastern parts of Kopet-Dagh, representing a more proximal sedimentary environment. These siliciclastic inputs are associated with tectonic events during Oxfordian to Tithonian in the region.

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DO - 10.1016/j.palwor.2022.08.002

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JF - Palaeoworld

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ER -

Litho- and biostratigraphy of the Upper Jurassic Mozduran Formation, Kopet-Dagh, Iran, and its paleoenvironmental implications

Abstract

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