Fahliyan Formation is importance in terms of Zagros
stratigraphy since it is one of the oil reservoir rocks at the
Jurassic-Cretaceous boundary. This rock unit consists of two types of deep and
shallow facies in Zagros area. Recognition of bio-zones as well as
discontinuity or continuity between the studied formation and the encompassed
stratais taken into consideration. In order to study biostratigraphy on Fahliyan Formation, the stratigraphic section of Kuh-e-siah in the
north-east of Fars Province was selected. In this section, Fahliyan Formation
is measured 345 m consisting of thin to
medium-bedded of limestone with the interbeds of sandy and dolomitic
limestones. Fahliyan Formation conformably overlies Surmeh formation and
underlies the marls of Gadvan formation. Vertical distribution of the
identified foraminifers and calcareous algae confirms presence of 3 biozones in
the sediments of Fahliyan Formation, as follows: 1) Calpionella alpina zone; 2) Pseudochrysalidina conica
zone; 3) Pseudocyclammina
lituus-Trocholina sp. assemblage zone. Based on Established biozones, the
age of Fahliyan Formation in Kuh-e-Siah section was determined from Berriasian
to Late Hauterivian.
References
[1]
Aghanabati, A. (1998) Jurassic Stratigraphy of Iran. Geological Survey of Iran, Tehran, 746 p. (In Persian)
[2]
Abyat, A., Baghbani, D., Afghah, M., Ghadimvand, K.N. and Feghi, A. (2012) Microbiostratigraphy and Lithostratigraphy of Fahliyan and Gadvan Formations in Kuh-e-Surmeh (Zagros Basin, Southwest Iran). Advances in Environmental Biology, 6, 3078-3086.
[3]
Abyat, A., Baghbani, D., Afghah, M., Afsari, S. and Ghadimvand, K.N. (2016) Neocomian- Barremian Foraminifers and Algae from Coastal Fars (South Iran). Arabian Journal of Geosciences, 9, 262. https://doi.org/10.1007/s12517-015-2128-5
[4]
Afghah, M. (2006) Microbiostratigraphy of Fahliyan Formation in Kuh-e-Gadavan and Ab Siah. JSIAU, 61, 89-107.
[5]
Lopez-Martinez, R., Barragan, R. and Rehakova, D. (2015) Calpionellid Biostratigraphy across the Jurassic/Cretaceous Boundary in San José de Iturbide, Nuevo León, Northeastern Mexico. Geological Quarterly, 59, 581-592.
[6]
Krische, O., Bujtor, L. and Gawlick, H. (2013) Calpionellid and Ammonite Biostratigraphy of Uppermost Jurassic to Lower Cretaceous Sedimentary Rocks from the Leube Quarry (Northern Calcareous Alps, Salzburg, Austria). Austrian Journal of Earth Sciences, 106, 26-45.
[7]
Petrova, S., Rabrenovic, D., Lakova, I., Koleva-Rekalova, E., Ivanova, D., Metodiev, L. and Malesevic, N. (2012) Biostratigraphy and Microfacies of the Pelagic Carbonates across the Jurassic/Cretaceous Boundary in Eastern Serbia (Stara Planina—Porec Zone). Geologica Balcanica, 41, 53-76.
[8]
Granier, B. and Bucurm, I. (2011) Stratigraphic Ranges of Some Tithonian-Berriasian Benthic Foraminifers and Dasycladales. Re-Evaluation of Their Use in Identifying This Stage Boundary in Carbonate Platform Settings. Boletín del Instituto de Fisiografía y Geología, 79-81, 9-10.
[9]
Turi, V., Sasaran, E. and Bucur, I. (2011) New Data on the Upper Jurassic-Lower Cretaceous Limestones from Bihor Mountains: Case Study of Garda Seaca—Hodobana Region, Romania. Studia UBB Geologia, 56, 11-27. https://doi.org/10.5038/1937-8602.56.1.2
[10]
Ivanova, D. and Kolodziej, B. (2010) Late Jurassic-Early Cretaceous Foraminifera from Stramberk-Type Limestones, Polish Outer Carpathians. Studia UBB Geologia, 55, 3-31. https://doi.org/10.5038/1937-8602.55.2.1
[11]
Hosseini, S.A. and Conrad, M.A. (2008) Calcareous Algae, Foraminifera and Sequence Stratigraphy of the Fahliyan Formation at Kuh-e-Surmeh (Zagros Basin, SW of Iran). Geologia Croatica, 61, 215-237.
[12]
Jozas, S. and Aubrecht, R. (2008) Barremian-Aptian Erosion of the Kysuca-Pieniny Trough Margin (Pieniny Klippen Belt, Western Carpathians). Geologica Carpatica, 59, 103-116.
[13]
Canudo, J.I. (2002) Chapter 13: Tintínidos. In: Molina, E., Ed., Eustoquio MOLINA, Univesidad de Zaragoza, Espana, 265-280.
[14]
Danelian, T., De Wever, P. and Azema, J. (1997) Palaeoceanographic Significance of New and Revised Palaeontological Datings for the Onset of Vigla Limestone Sedimentation in the Ionian Zone of Greece. Geological Magazine, 134, 869-872. https://doi.org/10.1017/S0016756897007553
[15]
Deloffre, R. (1988) Nouvelle taxonomie des algues dasycladales. Bulletin des Centres de Recherches Exploration-Production Elf-Aquitaine, 12, 165-217.
[16]
Dragstan, O. (1982) Lower Cretaceous Marine Algae and Calpionellida from Canada (Sanpedro)-Asturisa Province (Spain). Cuadernos Geología Ibérica, 8, 125-143.
[17]
Alavi, M. (2004) Regional Stratigraphy of the Zagros Fold-Thrust Belt of Iran and Its Proforeland Evolution. American Journal of Science, 304, 1-20. https://doi.org/10.2475/ajs.304.1.1
[18]
Berberian, M. and King, G.C.P. (1981) Towards the Paleogeography and Tectonic Evolution of Iran. Canadian Journal of the Earth Sciences, 18, 210-265. https://doi.org/10.1139/e81-019
[19]
James, G.A. and Wynd, J.G. (1965) Stratigraphical Nomenclature of Iranian Oil Onsortium Agreement Area. American Association of Petroleum Geologists Bulletin, 49, 2182-2245.
[20]
Gollesstaneh, A. (1965) Micropalaeontological Study of the Upper Jurassic and Lower Cretaceous of Southern Iran. Unpublished PhD Thesis, University of London, London, 629.
[21]
Sissigh, W. (1977) Biostratigraphy of Cretaceous Calcareous Non-Nopiancton. Geologie en Mijnbouw, 56, 37-65.
[22]
Wynd, J.G. (1965) Biofacies of the Iranian Oil Consortium Agreement Area: Iranian Oil Operating Companies. Geological and Exploration Division Report 1082, 89.
[23]
Kalantari, A. (1975) Microbiostratigraphy of the Sarvestan Area Southwestern Iran. National Iranian Oil Company, Geological Aboratories, Pub. No. 5, 129.
[24]
Afghah, M., Abtahian, A. and Saberi, A. (2016) Foraminiferal Biostratigraphy of Early Cretaceous (Hauterivian-Barremian) Sediments of the Zagros Basin (SW of Iran). Journal of African Earth Sciences, 121, 42-55. https://doi.org/10.1016/j.jafrearsci.2016.05.010
