Diagenesis processes and recognition original carbonate mineralogy of Asmari formations in Karanj Oil Field (Dezful Embayment, SW Iran)

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Golestan y.; Kakemem U.; Adab M. H.; DEHYADEGARI E.

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Journal: GEOSCIENCES Year:2020 | Volume:29 | Issue:114 Page(s): 197-208

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Title

Diagenesis processes and recognition original carbonate mineralogy of Asmari formations in Karanj Oil Field (Dezful Embayment, SW Iran)

Author(s)

Golestan y. | Kakemem U. | Adab M. H. | DEHYADEGARI E. | Issue Writer Certificate

Keywords

DiagenesisQ1

MicrofaciesQ2

Sedimentary environmentQ2

GeochemistryQ2

Asmari FormationQ2

Karanj Oil FieldQ1

Abstract

Carbonate-evaporate succession with siliciclastic sediments and mixed siliciclastic carbonate deposits of Asmari reservoir in Karanj Oil Field with Oligo-Miocene in age was studied to determine Diagenesis, Microfacies and original carbonate mineralogy. Micritization, dissolution, compaction, neomorphism, cementation and dolomitization are the main Diagenesis processes that effectAsmari successions. Petrographic studies led to iden tification of three types of dolomite such as dolomicrite, dolornicrosparite and dolosparite, in which dolomicrosparite and particulary dolospatite caused increase in reservoir quality. Eleven carbonate-evaporate Microfacies were identified. These deposited in four major environments com prises of tidal flat, lagoon, carbonate shoal and open marine. Sedimentary environment of the Asmari Formation recognized as a homoclinal ramp. Diagenetic studies reveal impact of marine, meteoric and burial Diagenesis on the deposits. Geochemistry of minor and major elements reveal original aragonite mineralogy for carbonates of the Asmari Formation. The high Sr/Mn and Sr/Ca and minor amounts of manganese implying close diagenetic system with low Water/Rock interaction for the Asmari Formation succession.

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APA: Copy

Golestan, y., Kakemem, U., Adab, M. H., & DEHYADEGARI, E.. (2020). Diagenesis processes and recognition original carbonate mineralogy of Asmari formations in Karanj Oil Field (Dezful Embayment, SW Iran). GEOSCIENCES, 29(114 ), 197-208. SID. https://sid.ir/paper/31519/en

Vancouver: Copy

Golestan y., Kakemem U., Adab M. H., DEHYADEGARI E.. Diagenesis processes and recognition original carbonate mineralogy of Asmari formations in Karanj Oil Field (Dezful Embayment, SW Iran). GEOSCIENCES[Internet]. 2020;29(114 ):197-208. Available from: https://sid.ir/paper/31519/en

IEEE: Copy

y. Golestan, U. Kakemem, M. H. Adab, and E. DEHYADEGARI, “Diagenesis processes and recognition original carbonate mineralogy of Asmari formations in Karanj Oil Field (Dezful Embayment, SW Iran),” GEOSCIENCES, vol. 29, no. 114 , pp. 197–208, 2020, [Online]. Available: https://sid.ir/paper/31519/en

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