Commenced in January 2007
Frequency: Monthly
Edition: International
Paper Count: 32131
High Resolution Sequence Stratigraphy and Depositional Environment of Pabdeh Formation in Dashte – Arjan Area (Shiraz, Fars, Zagros, Iran)

Authors: Mirzaee Mahmoodabadi Reza, Afghah Massih, Saeedi Somaye


Pabdeh shaly formation (Paleocene-Oligomiocene) has been expanded in Fars, Khozestan and Lorestan. The lower lithostratigraphic limit of this formation in Shiraz area is distinguished from Gurpi formation by purple shale. Its upper limit is gradational and conformable with Asmari formation. In order to study sequence stratigraphy and microfacies of Pabdeh formation in Shiraz area, one stratigraphic section have been chosen (Zanjiran section). Petrographic studies resulted in the identification of 9 pelagic and calciturbidite microfacies. The calciturbidite microfacies have been formed when the sea level was high, the rate of carbonate deposition was high and it slumped into the deep marine. Sequence stratigraphy studies show that Pabdeh formation in the studied zone consists of two depositional sequences (DS) that the lower contact is erosional (purple shale - type one, SBI or type two, SB2) and the upper contact is correlative conformity (type two, SB2).

Keywords: Pabdeh formation, Shiraz, Microfacies, Purple Shale, Zanjiran Section, Sequence Stratigraphy

Digital Object Identifier (DOI):

Procedia APA BibTeX Chicago EndNote Harvard JSON MLA RIS XML ISO 690 PDF Downloads 2264


[1] Alavi, M., Regional Stratigraphy of the Zagros Fold Thrust belt of Iran and its Proforland evolution, American Journal of Sciense, 2004. Vol. 304, p. 1-20.
[2] Askari , z . & Lasemi , Y. , Highstand shedding of a carbonate platform : evidence from the Middle - Upper Jurasic Chaman Bid formation (Lower zuni A Sequence ) of the Kopet Dagh Basin , northeast Iran . CSPG - SEPM Joint Convention , Calgary Canada , 1997. Abstr . , p . 28.
[3] Berberian & King, G. C. P. (1981). Towards the paleogeography and tectonic evolution of Iran. Canadian Journal of the Earth Sciences, 18, 210 - 265.
[4] Bernaus , JM . , Vanneau , A ., Caus, E. , Carbonate platform sequence stratigraphy in a rapidly subsiding area : the late Barremian - Early Aptian of the Organya Basin , Spanish pyrinees , Sed Geo 2002. ., 159 , pp . 177 - 201.
[5] Boardman, M. R. & Neuman, A. C. Source of - pri platform Carbonate : North west providence , channel , Bohamas . J . Sedimentary petrology, .,1984. vol 54 : 1110 - 1123.
[6] Carozzi , A . V., 1989 - Carbonate Rocks Depositional Model . Prentice Hall , New , Jersey , 604 p.
[7] Dunham, R. J. Calssification of carbonate rocks according to depositional texture: in W. E. Ham, ed., Classification of Carbonate Rocks: AAPG Memoir 1,1962. p. 108-121.
[8] Emery, D., & Myers, K. Sequence Stratigraphy: Oxford. Blackwell Science, 1996. 297 p.
[9] Flugel, E., Microfacies Analysis of Limestone: New York, Springer - Verlag 2004.
[10] Lasemi , Y. Platform carbonates of the Upper Jurassic Mozduran Formation in the Kopet Dagh Basin ; NE Iran , Facies , Paleoenvironments and sequences , Sedimentary geology, 1995. Vol. 99 , pp . 151 -164.
[11] Mirzaei.Mahmoodabadi, R. Lithostratigraphy and Microfacies of Jahrom and Asmari Formations in Shiraz area & Determining Boundary between these two Formations based on Sequential Stratigraphy Evidences. M.Sc. Thesis of Ferdowsi University, Mashhad, 2001. page 109.
[12] Mirzaei.Mahmoodabadi, R. Sedimentary environment and Sequence Stratigraphy of Sachun, Jahrum and Pabdeh formation in North Western Fars province. 2007. Phd thesis, Islamic Azad university Scienses & Research branch Tehran, Iran.
[13] Nadjafi, M. Mahboubi A., Moosavi Harami, R. and Mirzaee Mahmoodabadi, R., Depositional history and Sequence Stratigraphy of outcraping tertiary carbonates in the Jahrum and Asmari Formations,Shiraz(swIran). Journal of Petroleum Geology , 2004. vol.27(2) April 2004, pp 179-190.
[14] Mohseni, H. and Al-Asam, I.S., Tempestite deposits on a storminfluenced carbonate ramp: an example from the pabdeh Formation (paleogene) Zagros basin , SW Iran. Journal of petroleum geology Vol. 27 Issue 2 Aprill 2004. page 163-178.
[15] Motiei H Zagros Stratigraphy, State Geology Organization, Plan for codifying book No. 536.
[16] Purser, B.H., The Persian Gulf Holocene carbonate sedimentation and diagenesis in a shallow epicontinental sea, Springer- Verlag Berlin - Heidelbrg.NewYork, 1973. 471P.
[17] Schalger, W. Reijmer, J.J.G.and Droxler, A., Highstand shedding of carbonate platforms.Sedimentary Research, Vol. B64, 1994. PP. 270 - 281.
[18] Sepehr, M., and Cosgrove, J. W., Structural Framework of the Zagros Fold thrust belt Iran. Marine and Petroleum Geology., Vol. 21, 2004. pp. 829-843.
[19] Tucker, M.E., & Wright, V. P. Carbonate Sedimentology, Blackwell Scientific Publication, 1990. Oxfrod 482 p.
[20] Vail, P. R., F. Audemard, S. A. Bowman, D. N. Eisner, and C. Perezcruz., The Stratigraphic Signatures of tectonics, eustasy and sedimentology - an Overview, in G. Einsele, W. Ricken, and A. Seilasher, eds., cycles and events in stratigraphy: Berlin, Springer - Verlag, 1988. p. 617-59.
[21] Van Buchem, F. S. P., pittet , B . vtner , H . , Geo tsch , J . , Man souri , A . I . , Billing , I . M . , Droste , H . H . F . Oterdoom , W . H . , Van Steenwinkel , M ., High - resolution sequence stratigraphie architeeture of Barremian / Aptiam earbonate systems in northern oman and the United Arab Emirates (Kharaib and Shuaib a Formation). Geo Arabia, Vol . 7 , 2002. P . 461 - 500.
[22] Wagoner, J. C., H. W. Posamentier, R. M. Mitchem, P. R. Vail, J. F. Sarg, T. S. Lutit, and J. Hardenbol, An over view of the fundamentals of sequence stratigraphy and key definitions, inc.k. wilgus, B. Hasting, C. G. St. C. Kendall, H. W. Posmentier, C. A. R. SS, and J. C. Van wagoner, eds., Sea Level Changes: and integrated approach: SEPM Special Publication 42. 1988.
[23] Wilson, J. L., Carbonate Facies in Geological History: New York, Springer - Verlag. 1975. 471p.