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Facies, depositional environment and cyclicity of the fatha formation in East Baghdad oil field, Iraq
Other Title(s)
السحنات و البيئات الترسيبية و الدورات الرسوبية لتكوين الفتحة في حقل شرق بغداد, العراق
Joint Authors
al-Aslami, Usamah Jasim Muhammad
Agha, Mazin Yusuf Tammar
Source
Issue
Vol. 56, Issue 4A (31 Dec. 2015), pp.2939-2952, 14 p.
Publisher
University of Baghdad College of Science
Publication Date
2015-12-31
Country of Publication
Iraq
No. of Pages
14
Main Subjects
Earth Sciences, Water and Environment
Topics
Abstract EN
This study deals with establishing the depositional environment of the Fatha Formation through facies analysis.
It also deals with dividing the formation into units based on the rhythmic nature.
Data from selected shallow wells near Hit area and deep wells at East Baghdad Oil field are used.
Five major lithofacies are recognized in this study, namely, greenish grey marl, limestone, gypsum (and/or anhydrite), halite and reddish brown mudstone (with occasional sandstone).The limestone lithofacies is divided into three microfacies: Gastropods bioclastic wackestone microfacies, Gastropods peloidal bioclastic packstone, and Foraminiferal packstone microfacies.The lithofacies of the Fatha are nested in a rhythmic pattern or what is known as shallowing-upwards cycle.
Each rhythm begins with shallow marine subtidal environment followed by hypersaline lagoonal environment then supersaline lakes and Salinas, and may finally terminate with continental deposits.
Each regressive rhythm is followed by a transgressive phase.
According the repitions of the lithofacies, the Fatha Formation can be divided stratigraphically into three units namely Unit 1, Unit 2 and Unit 3 (in ascending order).
Different kinds of nesting of lithofacies are recognized in each unit.
Only Unit 2 shows complete rhythms.
American Psychological Association (APA)
Agha, Mazin Yusuf Tammar& al-Aslami, Usamah Jasim Muhammad. 2015. Facies, depositional environment and cyclicity of the fatha formation in East Baghdad oil field, Iraq. Iraqi Journal of Science،Vol. 56, no. 4A, pp.2939-2952.
https://search.emarefa.net/detail/BIM-651570
Modern Language Association (MLA)
Agha, Mazin Yusuf Tammar& al-Aslami, Usamah Jasim Muhammad. Facies, depositional environment and cyclicity of the fatha formation in East Baghdad oil field, Iraq. Iraqi Journal of Science Vol. 56, no. 4A (2015), pp.2939-2952.
https://search.emarefa.net/detail/BIM-651570
American Medical Association (AMA)
Agha, Mazin Yusuf Tammar& al-Aslami, Usamah Jasim Muhammad. Facies, depositional environment and cyclicity of the fatha formation in East Baghdad oil field, Iraq. Iraqi Journal of Science. 2015. Vol. 56, no. 4A, pp.2939-2952.
https://search.emarefa.net/detail/BIM-651570
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 2952
Record ID
BIM-651570