Volume 32 (2022)
Volume 31 (2021)
Volume 30 (2020)
Volume 29 (2020)
Volume 28 (2019)
Volume 27 (2018)
Volume 26 (2017)
Volume 25 (2016)
Volume 24 (2015)
Volume 23 (2014)
Volume 22 (2013)
Volume 21 (2012)
Volume 20 (2011)
Volume 19 (2010)
Volume 18 (2009)
Volume 17 (2008)
Volume 16 (2007)
Biozonation of the Gurpi Formatin in Banroushan Section (SW Ilam) based on Planktonic Foraminifera

L Bakhshandeh1; KH Khosro Tehrani; T Mohtat; S.H Vaziri; F Keshani

Volume 24, Issue 95 , June 2015, , Pages 85-96

https://doi.org/10.22071/gsj.2015.42267

Abstract
  The Gurpi Formation is located in the Zagros basin, SW Iran . This Formation in the Banroushan section, SW Ilam,consists of 225 m shale with interbeds of marl that has two formal Members including Seymareh (Lopha) and Emam Hassan . These Members are made up of limestone. The lower and upper boundaries ...  Read More

New Founds in Biostratigraphy of Ilam Formation at Kuhe Assaluyeh. (Zagros Province)

Kh. Khosrotehrani; D. Baghbani; F. Keshani; M. Omrani

Volume 20, Issue 78 , December 2011, , Pages 53-60

https://doi.org/10.22071/gsj.2010.54592

Abstract
  In order to study Biostratigraphy of Cenomanian – Late Campanian deposits (upper part of Sarvak Fm.,Ilam Fm. and lower part of Gurpi Fm.), kuhe Assaluyeh stratigraphic section selected. Sediments of this interval consist of limestone, argillaceous limestone and marl with thickness of 162 m. In ...  Read More

Study of Planktonic Foraminifera and Biozonation in Abderaz Formation

L. Bakhshandeh; A. Aghanabati; F. Keshani; T. Mohtat

Volume 16, Issue 64 , March 2007, , Pages 126-135

https://doi.org/10.22071/gsj.2008.58221

Abstract
       To revise the Abderaz Formation in Koppeh-Dagh basin, its type section was studied considering stratigraphical properties. The main lithology of Abderaz Formation includes gray to blue shale with a thickness of 286.86 meters. This Formation has an attitude of N 45˚ W and 80˚ ...  Read More