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)
Devonian fish remains from Illangareh and peyr-es-hag sections, North West Iran

S Abbasi; B Hamdi; M.R Majidifard

Volume 26, Issue 101 , December 2017, , Pages 277-286

http://dx.doi.org/10.22071/gsj.2016.40965

Abstract
  Sampling and study of Devonian deposits in North West Iran has done in two separate sections. 1) Illangareh section, 20 km far from NE the Maku city 2) peyr-es-hag composite section, situated South Jufa (W of Peyr-es-hag and Chay kasan villages). Because less work has been undertaken in the cited sections, ...  Read More

Depositional environment and sequence stratigraphy of the Jeirud Formation in Deh-Sufian section, central Alborz

M Khazaee; M Hosseini-Barzi; A Sadeghi; H Mosaddegh

Volume 26, Issue 102 , March 2017, , Pages 101-116

http://dx.doi.org/10.22071/gsj.2017.44130

Abstract
  The Jeirud Formation (Upper Devonian) in Deh-Sufian section of northeast of Shahmirzad consists of siliciclastic and carbonate deposits. In the study area lower boundary of the Jeirud Formation with fine grain clastic deposits of the Mila Formation is erosional (Disconform) and has been conformably overlain ...  Read More

Biostratigraphy of Devonian successions in Illanghareh, Illanlu and Pir-Eshag sections, North West Iran, based on Conodonts

S Abbasi; B Hamdi; M.R Majidifard

Volume 25, Issue 99 , June 2016, , Pages 209-226

http://dx.doi.org/10.22071/gsj.2016.40912

Abstract
  Study of conodont fauna from the Illanghareh Formation in Illanghareh, Illanlu and Pir-Eshag sections provide new data on the stratigraphy of this formation in the North West Iran. Illanghareh section is a terrigenous-carbonate rock sequence, consists mainly of quartzarenite sandstone, shale, and carbonate ...  Read More

Late Devonian Conodonts from Baghin Section, West of Kerman

H. Gholamalian; S. M. Hosseini-Nezhad; Z. Khosravi; I. Turkzadeh Mahani

Volume 21, Issue 81 , December 2011, , Pages 151-158

http://dx.doi.org/10.22071/gsj.2011.54379

Abstract
  Bahram Formation equivalent sequence in the Baghin area spans late Givetian to late Frasnian age. Thirty-two species and subspecies are identified. Ancyrodella alata, An. pristina, Polygnathus aspelundi, P. aequalis, P. subincompletus,P. politus, Icriodus alternatus alternatus, I. iowaensis iowaensis ...  Read More

The First Study of Bryozoans from the Geirud Formation in Central Alborz

M. Mohammadi; A. Ernst; M. Yazdi

Volume 18, Issue 70 , February 2009, , Pages 166-173

http://dx.doi.org/10.22071/gsj.2009.57388

Abstract
       Two bryozoan species are described from the Geirud Formation (Upper Devonian) of Central Alborz. The Geirud Formation is a sequence of nearly 340 meters of alternating silisiclastics and limestone and 1-2 andesitic lava units, with extensive exposures in the Central Alborz mountains. ...  Read More

Stratigraphy of the Upper Devonian Rocks in the Kalariz Section

S. M. Hosseini-Nezhad; M. Yazdi; M. Ghobadi-Pour; H. Gholamalian

Volume 16, Issue 63 , March 2007, , Pages 78-85

http://dx.doi.org/10.22071/gsj.2008.58443

Abstract
        Geirud formation deposits of Kalariz in the Eastern Alborz start with a relatively thick sequence of sandstone, shale, and red, white and brown colored siltstone changing into yellow dolomitic layers, fossiliferous limestone and shaly or marly limestone. This formation ...  Read More