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)
Biostratigraphy, depositional environment and sequence stratigraphy of the Kalat Formation in the Sheikh Syncline (north east of Bojnurd)

M. H. Kazemzadeh; A. Sadeghi; M. H. Adabi; H. Ghalavand

Volume 28, Issue 111 , May 2019, , Pages 237-246

https://doi.org/10.22071/gsj.2019.88501

Abstract
  In order to determine biostratigraphy, depositional environment and sequence stratigraphy of the Kalat Formation in the Sheikh Syncline (north east of Bojnurd), Four stratigraphic sections including South Sheikh, North Sheikh, Qaleh Zu and Ziarat were selected and sampled. The thickness of the Kalat ...  Read More

Lithostratigraphy and biostratigraphy of the Pabdeh Formation at Chahardeh village section (Izeh zone, Khuzestan province)

N. Hadavandkhani; A. Sadeghi; M. H. Adabi; A. R. Tahmasbi

Volume 27, Issue 107 , June 2018, , Pages 137-150

https://doi.org/10.22071/gsj.2018.63802

Abstract
  The Pabdeh Formation with a thickness of 797.2 m. and 4 lithological units (purple shale (144.25 m.), lower limestone and marl (221.75 m.), limestone (73.5 m.) and upper limestone and marl (357.7 m.) is stretched at Chahardeh village stratigraphic section in Izeh zone.. Biostratigraphic studies led to ...  Read More

Paleoenvironmental reconstruction of Miocene clastic sedimentary rocks at Kuh-e Asaki and Horgan sections, Neyriz region, Zagros basin

P Gholami Zadeh; M.H Adabi; M Hosseini-Barzi; A Sadeghi; M.R Ghassemi

Volume 26, Issue 101 , December 2017, , Pages 23-34

https://doi.org/10.22071/gsj.2016.40993

Abstract
  The Miocene sediments in Neyriz region crop out  in Zagros Crushed Zone, between Zagros Main Fault and Zagros Ophiolite Zone. For paleoenvironmental studies of these sediments, two stratigraphic sections (Kuh-e Asaki and Horgan sections) have been measured and sampled. The thicknesses of these two ...  Read More

Petrographic and geochemical studies of dolomites of Ghorban member of the Sachun Formation in Ghareh anticline section, Southeast Shiraz

A. Bavi Ovaydi; M. H. Adabi; A. Sadeghi; H. Amiri Bakhtiar

Volume 26, Issue 104 , September 2017, , Pages 135-148

https://doi.org/10.22071/gsj.2017.50181

Abstract
  Dolomitic limestone and dolomite comprise the most part of Ghorban member of the Sachun Formation (Paleocene-early Eocene) in Ghareh Anticline section in southeast Shiraz. Geochemical and petrographic studies of these deposits indicate that these dolomites have formed in marine, meteoric and burial diagenetic ...  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

https://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 the Ilam Formation in Kabir Kuh and Sourgah Anticlines and Comparison with the Type Section

B Asadi; A Sadeghi

Volume 25, Issue 97 , December 2016, , Pages 141-150

https://doi.org/10.22071/gsj.2015.41400

Abstract
  For biostratigraphy of the Ilam Formation, in Surgah and Kabirkuh anticlines, 2 sections of Mehdiabad and Holostem - Poshte  were selected and sampled. The thickness of the Ilam Formation in Mehdiabad and Holostem - Poshte sections are 183 and 66 meters respectively and main lithology includes limestone, ...  Read More

The Distribution and Statistical Analysis of Eocene Planktonic Foraminifera in the Khangiran Formation (Chehel-Kaman Synclinal Entrance, West Sarakhs) and their Paleoecological Use

M Vahidinia; M Vahdati Rad; A Sadeghi

Volume 25, Issue 97 , December 2016, , Pages 163-172

https://doi.org/10.22071/gsj.2015.41415

Abstract
  Planktonic foraminifera of the Khangiran Formation that represents the last ​​marine deposits in the Kopeh-Dagh basin and exposed in the Chehel-Kaman synclinal entrance (west of Sarakhs) studied in this article. A sum of 32 species belonging to 11 genera of planktonic foraminifera were recorded allowing ...  Read More

First Report of Hydroid-Serpulid Coexistence in Iran

H Kamali Sarvestani; A Sadeghi; S.M Mousavian

Volume 25, Issue 97 , December 2016, , Pages 421-426

https://doi.org/10.22071/gsj.2015.41599

Abstract
  Coexistence between hydroid Protulophila gestroi Rovereto, 1901 and family Serpulidea have been reported from many localies in Europe (England, France, Germany,…) and Middle East (Syria) from Middle Jurassic (Bajocian) to Pliocene. In this study coexistence for the first time in Iran and second ...  Read More

Petrography and geochemistry of the Neyriz Miocene sediments (RoshanKuh and Kuh-e Asaki sections): implication for provenance

P Gholami Zadeh; M.H Adabi; M Hosseini-Barzi; A Sadeghi; M.R Ghassemi

Volume 25, Issue 100 , September 2016, , Pages 3-18

https://doi.org/10.22071/gsj.2016.40670

Abstract
  Petrography and geochemistry of the Neyriz Miocene sediments at RoshanKuh and Kuh-e Asaki sections were carried out to determine their provenance, tectonic setting and paleoclimate conditions in the proximal part of Zagros Basin. The Miocene sediments are limited to the Zagros Main Fault at the northeast ...  Read More

Biostratigraphy and paleoecology of Turonian – Santonian (Surgah formatioin) in Surgah anticline Southwest of Ilam based on planktonic foraminifera

M Raziani; M Vahidinia; A Sadeghi

Volume 25, Issue 99 , June 2016, , Pages 75-84

https://doi.org/10.22071/gsj.2016.40774

Abstract
  This study on the planktonic foraminifera of the Surgah Formation was carried out .three biozones are proposed for the Late Turonian – Early Santonian interval in Surgah anticline (Southwest Ilam).Based on planktonic/benthonic foraminiferal ratios and “van der zwaan” equation, a general ...  Read More

Biostratigraphy of the Gurpi Formation in Kuh-e-Sefid Section, East of Ramhormoz

S Rahimi; A Sadeghi; M.R Partoazar

Volume 24, Issue 94 , March 2015, , Pages 3-10

https://doi.org/10.22071/gsj.2015.42555

Abstract
  In this research, the biostratigraphy of the Gurpi Formation in Kuh-e-Sefid section in east of Ramhormoz is studied. The thickness of the Gurpi Formation is 190.5m and consists mainly of shale, argillaceous limestone and marl. The lower boundary with the Ilam Formation is comformable with sharp lithology ...  Read More

Planktic Foraminiferal Palaeobathymetry of the Santonian-Campanian Boundary in Eastern Kopeh-Dagh Basin, Northeastern Iran

M Shafiee Ardestani; M Vahidinia; A Sadeghi

Volume 24, Issue 94 , March 2015, , Pages 45-64

https://doi.org/10.22071/gsj.2015.42573

Abstract
  In this research, we documented a paleontological study on the basis of planktic foraminifera, in five stratigraphic sections (Type, Padeha village, Shorab, Abderaz village and Qarehso) across the Santonian-Campanian transitional boundary in the eastern Kopeh-Dagh sedimentary basin. In all sections, ...  Read More

Mineralogy and Geochemistry of the Neoproterozoic Kahar Formation Mudrocks, Kahar Mountain, NW of Tehran

N Etemad-Saeed; M Hosseini-Barzi; M.H Adabi; A Sadeghi

Volume 24, Issue 94 , March 2015, , Pages 287-299

https://doi.org/10.22071/gsj.2015.42729

Abstract
  The Kahar Formation at its type locality in the KaharMountain, 75 km NW of Tehran, consists of about 1000 m of siliciclastic rocks (mainly mudrocks). This study focuses on the mineralogical and geochemical composition of these mudrocks to identify possible source areas and their tectonic setting. The ...  Read More