Biostratigraphy correlation of the Sarvak and Ilam Formations in middle restricted Dezful embayment, Southwest of Iran

Saeedi Razavi, Behzad; Rikhtehgarzadeh, Mozhgan; Senemari, Saeedeh

doi:10.22071/gsj.2020.214861.1739

Document Type : Original Research Paper

Authors

¹ Assistant Professor, Standard Research Institute, Technical and Engineering Faculty, Construction and Mineral Department, Karaj, Iran

² Ph.D., Coworker of Construction and Mineral Department, Standard Research Institute, Ahvaz, Iran

³ Associated professor, Imam Khomeini International University, Qazvin, Iran

https://doi.org/10.22071/gsj.2020.214861.1739

Abstract

In order to study the biostratigraphy of Sarvak and Ilam in wells A1 and A2 of Binak oilfield, B of Gachsaran oilfield, C of Aghajari oilfield and D of Rag-Sefid oilfield, numerous thin sections have been studied microscopically In the biostratigraphic study of 5 biozones in the Sarvak and Ilam formations, the following fields were introduced: 1-Oligostegina flood zone, 2- Nezzazata – Alveolinids assemblage zone, 3- Rudist debris zone, 4 -Nezzazatinella – Dicyclina assemblage zone, 5- Rotalia skourensis – algae assemblage zone and Oligostegina food zone. Based on the study of age of Sarvak Formation from Late Albian to Turonian, and for Ilam Formation from Coniasian to Santonian. Based on the biostratigraphy correlation and thickness analysis of biozones introduced in the two studied formations, the depth of the Zagros basin from northwest to southeast decreases dramatically.

Keywords

20.1001.1.10237429.1399.30.118.21.1

Main Subjects

Stratigraphy and Palaeontology

References

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Scientific Quarterly Journal of Geosciences

Biostratigraphy correlation of the Sarvak and Ilam Formations in middle restricted Dezful embayment, Southwest of Iran

References

References

Volume 30, Issue 118 - Serial Number 118
Vo. 30, No, 118, Winter 2021
January 2021
Pages 241-254

Biostratigraphy correlation of the Sarvak and Ilam Formations in middle restricted Dezful embayment, Southwest of Iran

References

References

Volume 30, Issue 118 - Serial Number 118Vo. 30, No, 118, Winter 2021January 2021Pages 241-254

Volume 30, Issue 118 - Serial Number 118
Vo. 30, No, 118, Winter 2021
January 2021
Pages 241-254