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Benthic foraminiferal and calcareous algal biostratigraphy of the Fahliyan Formation in oil well no. X1, Dorood Oilfield, Persian Gulf | ||
Geopersia | ||
مقاله 32، دوره 8، شماره 2 - شماره پیاپی 22287825، مهر 2018، صفحه 319-329 اصل مقاله (10.77 M) | ||
نوع مقاله: Research Paper | ||
شناسه دیجیتال (DOI): 10.22059/geope.2018.256557.648385 | ||
نویسندگان | ||
Leila Rostami1؛ Seyed Hamid Vaziri* 2؛ Davood Jahani3؛ Ali Solgi4؛ Morteza Taherpour Khalil Abad5؛ Ivana Carević6؛ Ahmad Yahyaei7 | ||
1Department of Geology, Faculty of Basic Sciences, Islamic Azad University, Science and Research Branch, Tehran, Iran | ||
2Department of Geology, Faculty of Basic Sciences, Islamic Azad University, North Tehran Branch, Tehran, Iran | ||
3Department Geology, Faculty of Basic Sciences, Islamic Azad University, North Tehran Branch | ||
4Department of Geology, Faculty of Basic Sciences, Islamic Azad University, Science and Research Branch,Tehran, Iran | ||
5Department of Geology, Faculty of Science, Islamic Azad University, Mashhad Branch, Mashhad, Iran | ||
6Faculty of Geography, University of Belgrade, Belgrade, Serbia | ||
7Iranian Offshore Oil Company (IOOC), Tehran, Iran | ||
چکیده | ||
The Dorood oilfield is located offshore in the northern part of the Persian Gulf. It partly underlies the Kharg Island. The Neocomian Fahliyan Formation represents the high-quality reservoir in the oilfield. It includes five carbonate members: The Manifa, Middle and Upper Yamama, Khami and Lower Ratawi. The Fahliyan Formation in the studied well attains a thickness of 378.1 m and mainly consists of thin-bedded limestones. It unconformably overlies the evaporate Hith Formation and conformably underlies the Gadvan Formation. An integrated biostratigraphic (benthic foraminifera and algae) and lithostratigraphic study is presented. Paleontological studies led to the identification of 19 genera and 29 species of benthic foraminifera and 10 genera and 9 species of calcareous algae. Two biozones of Berriasian through Valanginian age have been recognized. These are Lithocodium aggregatum-Salpingoporella muehlbergii assemblage zone (Valanginian) and Pseudocyclammina lituus- Coscinoconus assemblage zone (Berriasian-Valanginian). | ||
کلیدواژهها | ||
Fahliyan Formation؛ Foraminifera؛ calcareous algae؛ Berriasian-Valanginian؛ Dorood oilfield | ||
عنوان مقاله [English] | ||
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