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Paleogeography and Sequence Stratigraphy in Dariyan Carbonate Reservoir, NE Shiraz
Department of Earth Sciences, Faculty of Sciences, Shiraz University, Shiraz, Iran
IDL, Faculty of Sciences, Lisbon University, Lisbon, Portugal
- 1 Department of Earth Sciences, Faculty of Sciences, Shiraz University, Shiraz, Iran
- 2 IDL, Faculty of Sciences, Lisbon University, Lisbon, Portugal
Open Journal of Geology·Volume 06 (2016)·Pages 1423–1433·Published 3 November 2016·DOI10.4236/ojg.2016.611101
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Abstract
Zagros Basin is a very important hydrocarbon region in the Iran and World. One of the major reservoirs in this basin is the Lower Cretaceous Dariyan Formation. Based on petrographic studies, 9 microfacies were determined and interpreted as related to lagoon, barrier island and open marine environments. Facies associations show deposition in a carbonate ramp. Sequence stratigraphy studies show two sequences, each one with a transgressive system tract, marked by open marine microfacies, and then a retrogradational highstand, marked by barrier and lagoonal facies. Paleogeography and sequence stratigraphy studies of this formation and correlation of it with other sections may provide useful information about reservoir characterizations.
KeywordsDariyan FormationReservoirMicrofaciesSequence StratigraphyPaleogeography
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