Volume 34 (2024)
Volume 33 (2023)
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 and Paleoecology Surgah Formation at Ilam Dam Section, South Ilam

T Akbari; L Bakhshandeh

Volume 24, Issue 95 , June 2015, , Pages 67-76

https://doi.org/10.22071/gsj.2015.42255

Abstract
  Based on stratigraphic value of calcareous nannoplanktons in determing the age of sedimentary layers, they have been used for biostratigraphic studies of Surgah Formation in sadd Ilam (Ilam damp) section ,Kabir –Kuh of Ilam. This formation is composed mainly ot dark gray shales. In Type section ...  Read More

Biozonation and Abundance of Foraminifera in the Type Section of Ilam Formation

L Bakhshandeh; T Mohtat; H Bakhshandeh; S Senmari

Volume 23, Issue 92 , September 2014, , Pages 75-84

https://doi.org/10.22071/gsj.2014.43654

Abstract
  The Ilam Formation, cropping out in the ZagrosMountain, consists of 195m of cream-colored limestones in the type section, south of Ilam city. This formation has conformable and continuous contacts with the lower Surgah and the upper Gurpi formations. In the present study, 35 foraminifera planktonic species ...  Read More

Biostratigraphy of the First and Second Members of Type Section of the Shirgesht Formation in North of Tabas with Special Emphasis on Conodonts

A. Ghaderi; A. Aghanabati; B. Hamdi; J. F. Miller

Volume 17, Issue 67 , February 2008, , Pages 150-163

https://doi.org/10.22071/gsj.2009.57826

Abstract
  The Shirgesht Formation is one of the fossiliferous units of Central Iran which in the type section is defined (informally) in the terms of 3 members. This formation is mainly composed of limestone, marl, siltstone, shale and dolomite, conformably overlay on the upper part of the Derenjal Formation with ...  Read More

Calcareous Nannofossils Biostratigraphy of Neyzar Formation in Type Section (Tange-Neyzar)

F. Hadavi; A. Pouresmaeil

Volume 17, Issue 65 , March 2007, , Pages 36-47

https://doi.org/10.22071/gsj.2018.58170

Abstract
  Nannofossils are suitable for biostratigraphical studied since they are aboundant, planktonic, rapidly evolving and largly cosmopolitan, especially in Late Cretaceous.                                           ...  Read More