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The AAPG/Datapages Combined Publications Database

Journal of Petroleum Geology

Abstract

Journal of Petroleum Geology, Vol.16, No.1, pp. 55-72, 1993

┬ęCopyright 2000 Scientific Press, Ltd.

DIAGENESIS OF NON-MARINE PETROLEUM RESERVOIRS:
THE NEOCOMIAN (LOWER CRETACEOUS) SHURIJEH FORMATION,
KOPET-DAGH BASIN, NE IRAN

R. Moussavi- Harami* and R. L. Brenner**

* Department of Geology, Mashhad University, Mashhad 91384, Iran.

** Department of Geology, University of Iowa, Iowa City, IA 52242, USA.


Abstract

Detailed petrologic, sedimentologic and geohistory analyses have been carried out on the Neocomian (Lower Cretaceous) Shurijeh Formation in the eastern part of the Kopet-Dagh Basin, NE Iran. The results of these analyses show that the diagenetic history of Shurijeh sandstones was affected by their depositional settings, and the subsequent subsidence of these units through meteoric and compactional hydrologic regimes in this part of the Kopet-Dagh Basin. These rocks consist mostly of sub-litharenitic redbeds deposited during a regressive phase of sedimentation dominated by rapid siliciclastic sediment supply. The lower and middle portions of the interval studied were deposited in low-sinuosity braided fluvial systems, and the upper portion was deposited in high-sinuosity meandering systems.

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