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)
Stratigraphy and Palaeontology
Biostratigraphy of the Gurpi Formation based on planktonic foraminifera in the Fars area, Zagros basin

Maryam Alavi; Abbas Sadeghi; Mohammad Hossein Adabi; Nasrin Hadavandkhani; Yadolah Ezampanah

Articles in Press, Corrected Proof, Available Online from 21 June 2024

https://doi.org/10.22071/gsj.2023.406025.2098

Abstract
  In order to study the biostratigraphy of the Gurpi Formation in the Fars area, a stratigraphic section is selected and sampled in the Sarbalesh anticline. The thickness of the Gurpi Formation in this section is 346.3 meters and its main lithology includes argillaceous limestone and shale. The lower boundary ...  Read More

Stratigraphy and Palaeontology
Biostratigraphy and sequence stratigraphy of the Guadalupian deposits of the Dalan Formation in the eastern of the Qatar-Persian Arc, Persian Gulf.

Fatemeh Rezvannia; Hossein Mosaddegh; Bijan Biranvand; Vahid Tavakoli; Galina Nestell; َAhmad Yahyaei

Articles in Press, Corrected Proof, Available Online from 20 January 2024

https://doi.org/10.22071/gsj.2024.417435.2116

Abstract
  One of the most important carbonate gas reservoirs in the Zagros and Persian Gulf sedimentary basins is the Dalan Formation. This research investigates the microfacies, lithostratigraphy, and sequences of carbonate-evaporite deposits in the Lower member of the Dalan and the Nar member belonging to the ...  Read More

Stratigraphy and Palaeontology
Paleontology of Lower Cretaceous deposits in Baghin section based on corals

Toran Khamoshi; Ahmad Lotfabad Arab; Mohammad Reza Vaziri

Volume 33, Issue 4 , December 2023, , Pages 111-126

https://doi.org/10.22071/gsj.2023.398752.2090

Abstract
  In order to study  the Lower Cretaceous deposits' coral fossils, the Baghin section was chosen and sampled. This section consists of a sequence of green marl, limestone and shaly limestone deposits. In this section, diverse groups of microfossils (orbitolinids, algae and ostracods) and macrofossils ...  Read More

Stratigraphy and Palaeontology
Recognition of Albian – Cenomanian bivalves in the Kazhdumi Formation, Geno and Gerash sections, southeast Zagros, Iran

Hossein Gholamalian; Mohammad Kazem Kamali

Volume 33, Issue 4 , December 2023, , Pages 127-144

https://doi.org/10.22071/gsj.2023.402191.2095

Abstract
  Pteriomorpha, Heterodonta, Paleoheterodonta and Anomalodesmata bivalves from the Kazhdumi Formation of the Geno and Gerash sections in the southeast of  Zagros Mountains are studied here. In order to this research, bivalve speies are identified and described as follow: Arctica angulata, Birostrina ...  Read More

Stratigraphy and Palaeontology
Nannostratigraphy of the Surgah Formation at Posht-e-Jangal and Pasan stratigraphic sections – with special seference to Turonian-Coniacian and Coniacian-Santonian boundaries

Kamyar Younesi; Anoshiravan Lotfali Kani; Hormoz Ghalavand

Volume 33, Issue 3 , August 2023, , Pages 1-12

https://doi.org/10.22071/gsj.2023.387066.2066

Abstract
  A conformable passage between Sarvak and Surgah Formations in Lurestan sedimentary basin reveals the potential of studying the Turonian–Coniacian boundary within Surgah Formation. Two sections of the Surgah Formation at Posht-e-Jangal and Pasan anticlines situated on the southeast of the Lurestan ...  Read More

Stratigraphy and Palaeontology
Biostratigraphy of Gurpi Formation in Noor-Abad area, coastal Fars (south-west of Iran)

Hajar Mashayekh; Massih Afghah; Mahnaz Parvaneh- Nejad Shirazi

Volume 33, Issue 3 , August 2023, , Pages 13-26

https://doi.org/10.22071/gsj.2023.386571.2064

Abstract
  In order to biostratigraphic studies of Gurpi Formation, a section was selected in the north-east of Noorabad city in Fars. Structurally, this section is located in the folded-thrust zone of Zagros and geographically in the Fars zone (coastal Fars). The Gurpi Formation is extended of 229 meters in thickness, ...  Read More

Stratigraphy and Palaeontology
Lithostratigraphy and biostratigraphy of Wuchiapingian succession in the Qareh-Goz section (south of Julfa, northwest of Iran) based on brachiopods

Parisa Mohammadi; Abbas Ghaderi; Ali Reza Ashouri

Volume 33, Issue 2 , June 2023, , Pages 239-258

https://doi.org/10.22071/gsj.2022.366479.2036

Abstract
  The Julfa region in East Azerbaijan Province exhibits one of the best continuous marine sedimentary successions across the Permian to Triassic boundary. The present study is focused on the brachiopod contents of the Julfa beds in Qareh-Goz section (41.5 m thickness) in the south of Julfa. This study ...  Read More

Stratigraphy and Palaeontology
Palynostratigraphy and palaeoecology of the Dalichai Formation at the Yonjehzar stratigraphic section, northeastern Tehran, central Alborz

Fereshteh Sajjadi; Firoozeh Hashemi Yazdi; Hossein Hashemi

Volume 33, Issue 2 , June 2023, , Pages 259-282

https://doi.org/10.22071/gsj.2023.350092.2013

Abstract
  Reasonably diverse and very well-preserved palynomorphs including miospores, dinoflagellate cysts, foraminiferal test linings, acritarchs (sensu lato) and fungal spores occur in the Dalichai Formation, Yonjehzar, northeastern Tehran, central Alborz. The assemblages embrace 40 species of spores (assigned ...  Read More

Stratigraphy and Palaeontology
Fusulinids biostratigraphy of Zaladou formation (Gzhelian-Asselian) from Central Iran (Ozbak Kuh), Shishtu section

Ali Jalali; Hamed Yarahmadzahi; Mehran Arian; Abdollah Saidi; Seyed Mohsen Aleali

Volume 33, Issue 2 , June 2023, , Pages 283-298

https://doi.org/10.22071/gsj.2022.341732.1998

Abstract
  The Shishtou section is located in the north of Tabas Ghezelin and Asselian sequences of Zaladou formation with 60 m thickness are divided into five units, includes sandstone, limestone, shale, sandy limestone and limestone. The lower boundary of the Gzhelian deposits with disconformity on top of the ...  Read More

Stratigraphy and Palaeontology
Assessment of Miocene vertebrate biodiversity of Zagros: new findings of vertebrate footprints from the Agha Jari Formation, east Gotvand, Khuzestan province, southwest Iran

Abdolvahab Kazemi; Nasrollah Abbassi

Volume 33, Issue 2 , June 2023, , Pages 299-318

https://doi.org/10.22071/gsj.2022.360094.2029

Abstract
  Agha Jari Formation (Miocene-Pliocene, 788 m) comprises alternations of sandstone, siltstone, and marl in red to brown color layers in the east Gotvand, north Khuzestan province, southwest Iran. Numerous vertebrate footprints have been found in the middle part of the Formation, which includes footprints ...  Read More

Stratigraphy and Palaeontology
The origin and Geothermobarometery of andesites from Masahim volcano, Shahr-e-Babak, Kerman SE Iran

Zahra Khajehjavaran; Gholam Reza Ghadami; Mohammad Poosti; Abbas Moradian; Behrouz Karimi Shahraki

Volume 32, Issue 4 , December 2022, , Pages 1-14

https://doi.org/10.22071/gsj.2022.311942.1958

Abstract
  Andesites are located in the north of shahr-e-babak , central Iran, Urumieh- Dokhtar belt. The main texture in these rocks is porphyry and their phenocrysts are plagioclase (Andesine to Labradorite), pyroxene (Augite), amphibol (Tschermakite and Magnesiohornblende). These properties are signatures of ...  Read More

Stratigraphy and Palaeontology
Ultrastructure studies and evolution on the shell of some brachiopods, middle Ordovician (Martellia shabjerehansis Percival, 2009) in Shabdjereh, Kerman (Central Iran)

Najmeh Nazeri Tahroodi; Mohammad Reza Esmaeilbeig; Mohammadreza Ghotbi Ravandi; Maryamnaz Bahrammanesh Tehrani

Volume 32, Issue 4 , December 2022, , Pages 143-152

https://doi.org/10.22071/gsj.2022.309072.1943

Abstract
  Stratigraphic and paleontological studies on 6-section brachiopods from Lower to Upper Paleozoic in the Kerman region were performed by a joint Iranian-Italian team. In one of these sections in the Shabjareh area - Kerman - Kat Kouyeh Formation with geographical characteristics of 31º 5´ 56º, ...  Read More

Stratigraphy and Palaeontology
Biostratigraphy with emphasis on calcareous nannofossils in the passage of Pabdeh Formation to Asmari Formation in Khaviz section, Khuzestan province

Saeedeh senemari; Narges Monjezi

Volume 32, Issue 4 , December 2022, , Pages 153-162

https://doi.org/10.22071/gsj.2022.302632.1935

Abstract
   Pabdeh Formation to Asmari Formation transition deposits were studied in the stratigraphic section of Khaviz located in the northeast of Behbehan. In the present research, the deposits of the upper part of Pabdeh Formation consisting shale and interbedded of argillaceous gray limestone with a thickness ...  Read More

Stratigraphy and Palaeontology
First report of Cenozoic vertebrate tracks from Kopeh Dagh geological zone, Northeast Iran

Nasrollah Abbassi; Mohammad Vahidinia; Saeid Tavana; Pooria Vaeznia

Volume 32, Issue 4 , December 2022, , Pages 163-176

https://doi.org/10.22071/gsj.2022.324206.1971

Abstract
  Numerous vertebrate footprints have been found in the dislocated sandstone slabs in the Mashhad city, northeast Iran. Neogene sediments of Chenaran township are supposed to be provenance of the studied slabs. Identified footprints includes artiodactyl tracks as ichnotaxa Bifidipesvelox, Lamaichnum guanicoe, ...  Read More

Stratigraphy and Palaeontology
Biostratigraphy and Lithostratigraphy of Asmari Formation in The Chenareh Anticline and compare with Amiran Anticline Stratigraphical section in the Zagros Folded Belt, Lorestan, Iran

Peiman Rajabi

Volume 32, Issue 4 , December 2022, , Pages 177-192

https://doi.org/10.22071/gsj.2022.290018.1913

Abstract
  The Asmari carbonate formation in Lorestan is seen in the form of a medium to the thick limestone-rich layer of benthic foraminifera and often as a rock formation. In this study, the stratigraphic sequence of Asmari carbonate formation in the Chenareh Anticline section located in the south of Lorestan ...  Read More

Stratigraphy and Palaeontology
Systematic and paleoecology of Lower Cretaceous (Aptian) echinoids from Siriz area, northwest of Kerman, Iran

Ahmad Lotfabad Arab

Volume 32, Issue 4 , December 2022, , Pages 193-208

https://doi.org/10.22071/gsj.2022.314179.1950

Abstract
  In order to identify, classify and paleoecological study of Lower Cretaceous echinoid fauna in northwest of Kerman area, the stratigraphic section of Siriz, was selected and its specimens were sampled and studied. Echinoids were studied and identified from a rich and diverse collection of macrofossils ...  Read More

Stratigraphy and Palaeontology
Biostratigraphy of plant macrofossils of the Mazino, southwest of Tabas, Central East of Iran and its palaeoecological analysis

Fatemeh Vaez-Javadi; Mahdi Abbaszadeh

Volume 32, Issue 4 , December 2022, , Pages 209-220

https://doi.org/10.22071/gsj.2022.307599.1937

Abstract
  Middle Jurassic sediments of the Hojedk Formation have been well-exposed in the Central East of Iran. In this study, plant macrofossils, which are collected from a coal exploratory well in the Mazino area, southwest of the Tabas were studied, so that 29 species of well-preserved plant macrofossils belonging ...  Read More

Stratigraphy and Palaeontology
The application of GR D-INPEFA Curve in sequence stratigraphy analysis Manifa member and Fahliyan Formation, Northwest of Persian Gulf

Parinaz Rasolui Ghadi; Mehdi Sarfi; Seyed Mohsen Aleali; Zahra Maleki

Volume 32, Issue 3 , September 2022, , Pages 119-132

https://doi.org/10.22071/gsj.2021.302660.1931

Abstract
  Identification of key sequence stratigraphic surfaces is a crucial task in geological characterization of hydrocarbon reservoirs. The uppermost Jurassic–lower Cretaceous carbonate successions of the Manifa member and Fahliyan Formation are as an important oil reservoir of Northwestern Persian Gulf. ...  Read More

Stratigraphy and Palaeontology
Paleogeography and biostratigraphy of Dalichai Formation in North of Damghan (Ahavanu section), based on palynomorphs and foraminifera

elahe zarei

Volume 32, Issue 2 , July 2022, , Pages 1-12

https://doi.org/10.22071/gsj.2021.283800.1902

Abstract
  The Dalichai Formation in Ahvanu section in the north of Damghan city with a thickness of 78 meters consisting of an alternation of bluish-gray marls and limestone, was studied. Based on the presence and stratigraphic distribution of miospore, Klukisporites variegatus and Callialasporites dampieri of ...  Read More

Stratigraphy and Palaeontology
Reservoir quality assessment of the Fahliyan Formation in one oil field, Northwestern Persian Gulf

Ali Asaadi; Ali Imandoust; Mehdi Sarfi; Mehdi Ghane Ezabadi

Volume 32, Issue 1 , March 2022, , Pages 15-26

https://doi.org/10.22071/gsj.2021.286429.1906

Abstract
  The Lower Cretaceous Fahliyan Formation is one of the main oil reservoirs in the Persian Gulf. In this study, for investigating facies characteristics, depositional environment, diagenetic features, sequence stratigraphy and describing factors controlling reservoir quality, the integration of the results ...  Read More

Stratigraphy and Palaeontology
Circulichnis and other trace fossils from Member 5 of Mila Formation in Tuyeh-Darvar section, Eastern Alborz Mountain, north Iran

Nasrollah Abbassi; Reza Aharipour

Volume 31, Issue 4 , December 2021, , Pages 1-12

https://doi.org/10.22071/gsj.2021.285607.1903

Abstract
  Mila Formation includes five members in the Tuyeh-Darvar section, west Damghan. Fifth Member of formation comprises alternations of calcareous shale, limestone and green shales. Trace fossils of this member includes Cruziana problematica, Gordia isp., Helminthopsis abeli, Helminthopsis tenuis, Palaeophycus ...  Read More

Stratigraphy and Palaeontology
Biostratigraphy of Qom Formation planktonic foraminifera in the North of Khoy, Western Azarbaijan province (Sanandaj–Sirjan fore-arc basin)

Narges Ghader; Ali Asghar Ciabeghodsi; Mir Amir Salahi; Mohammad sadegh Zangeneh

Volume 31, Issue 3 , December 2021, , Pages 29-38

https://doi.org/10.22071/gsj.2021.147198.1529

Abstract
  In the present study, In order to study of the planktonic foraminiferal biostratigraphy of Qom Formation in north of Khoy city, West Azarbayjan province (Sanandaj-Sirjan fore-arc basin), stratigraphic section of Sagatlu was selected and sampled. Thickness of Sagatlu section 216 meters was measured. Lithology ...  Read More

Stratigraphy and Palaeontology
Lithostratigraphy and Biostratigraphy of the Cheleken Formation Based on Calcareous Nannoplankton in Gorgan Plain (South Caspian Bain)

Mahmoud sharafi; Nasim Mousavi; Mehran Moradpour; Bijan Biranvand; ebrahin Abdollahi; Hossein Soltani

Volume 31, Issue 4 , December 2021, , Pages 43-56

https://doi.org/10.22071/gsj.2021.270862.1882

Abstract
  Based on lithostratigraphy analysis, Cheleken Formation in the studied section of the Gorgan plain, subdivided into lower sandstone and upper mudstone/marl units. Based on petrographic analysis, the sandstone sediments include low textural and compositional maturity litharenite and sublitharenite. Conglomerates ...  Read More

Stratigraphy and Palaeontology
Lithostratigraphy and biostratigraphy of Mobark Formation (Lower Carboniferous) based on brachiopoda in Talou area (Northwest Damghan)

Hamideh Noroozpour

Volume 31, Issue 3 , December 2021, , Pages 125-134

https://doi.org/10.22071/gsj.2021.204143.1711

Abstract
  In this research the biostratigraphy and lithostratigraphy of the Talou section (northwest Damghan) have been studied based on brachiopods of Lower Carboniferous in Mobarak Formation. The 580 me thick Mobarak Formation in Talou section consists of dark gray limestone with intercalation of organic rich ...  Read More

Stratigraphy and Palaeontology
Biostratigraphy and Litostratigaphy of Qom Formation deposits in the Navab anticlinal section (southeast of Kashan)

Zeinab Manouchehri; Tayebeh Mohtat; Seyed Ali Aghanabati; Morteza Khalatbari Jafari; Fatemeh Vakil Baghmisheh

Volume 31, Issue 3 , December 2021, , Pages 145-156

https://doi.org/10.22071/gsj.2021.304844.1934

Abstract
  The sediments are generally limestone and marl. The lower boundary with the loer red Formation is disconfomity and the upper boundary with the equivalent formatin of Bakhtiari Firmation is paraconformity. The total number of fossils found in this section is 69 species, 72 genera and 46 families. These ...  Read More