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

saeedeh senemari; Narges Monjezi

Articles in Press, Corrected Proof, Available Online from 05 March 2022

http://dx.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 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 of about ...  Read More

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

Fatemeh Vaez-Javadi; Abbaszadeh Mahdi

Articles in Press, Corrected Proof, Available Online from 01 May 2022

http://dx.doi.org/10.22071/gsj.2022.307599.1937

Abstract
  Plant macrofossils of Hojedk Formation were studied in a well of the Mazino region, southwest of Tabas, so that 29 species of plant macrofossils belonging to 15 genera of various orders were identified. One local interval biozone- Ptilophyllum harrisianum-Klukia exilis Interval zone were recognized. ...  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

http://dx.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
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

http://dx.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
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

http://dx.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

Stratigraphy and Palaeontology
Micro biostratigraphy and paleo environment of Oligo-Miocene deposits in north of central Iran

shahram navavajary; Iraj Maghfouri Moghaddam; Ali Reza Shahidi; Hamid Nazari

Volume 31, Issue 1 , June 2021, , Pages 37-50

http://dx.doi.org/10.22071/gsj.2020.243135.1833

Abstract
  Oligo-Miocene rocks are deposited between Pyrenean and Pasadenian orogenic phases. This rocks in central Iran back arc deposits are named Qom formation. There are well developed outcrops of Qom formation at the North of Central Iran zone. In order to study microbiostratigraphy of the formation, Three ...  Read More

Stratigraphy and Palaeontology
Lithostratigraphy and Biostratigraphy of the ammonites from the Upper Chaman Bid Formation (Tithonian) at the type locality (NE Iran, Koppeh Dagh)

Tayaebe Sarbandi Farahani; Mehdi Yazdi; Mahmoud Reza Majidifard

Volume 30, Issue 118 , January 2021, , Pages 95-108

http://dx.doi.org/10.22071/gsj.2020.215822.1742

Abstract
  The present study deals with the ammonites from the upper part of the Chaman Bid Formation, member 4 (Middle-Upper Jurassic) at the type locality. Lithostratigraphicall, it is consites alternation of limestone and marls.Following ammonite families are present: Perispinctidae, Ataxioceratidae, Haploceratidae, ...  Read More

Stratigraphy and Palaeontology
Biostratigraphy and sea level change in the Coniacian-Maastrichtian deposits of the Fars basins (Pyrgheib section) based on planktonic foraminifera

A. Shaabanpour Haghighi; , L. Bakhshandeh; T. Mohtat; , M. Zamani Pedram; S. H. Vaziri

Volume 30, Issue 118 , January 2021, , Pages 179-190

http://dx.doi.org/10.22071/gsj.2021.127499

Abstract
  In this study the Upper Cretaceous sediments in the Zagrous Basins Fars  province,the Pyrgheib Section,for the purpose of Biostratighraphy and sea level change studies were investigated. These sediments with about 206 m thickness consist of Limestone, Shale, Marl and limy marl. The investigated ...  Read More

Stratigraphy and Palaeontology
Biostratigraphy of the Baghamshah Formation based on calcareous nannofossils in Baghdadeh section (East margin of Lut Block)

nahid khodashenas; Fatemeh Hadavi; Marziyeh Notghi Moghaddam; Ahmadreza Khazaei

Volume 29, Issue 116 , August 2020, , Pages 173-182

http://dx.doi.org/10.22071/gsj.2019.168519.1604

Abstract
  In the present study, Baghamshah Formation in Baghdadeh section located in the eastern margin of Lut Block to biostratigraphic studies based on calcareous nannofossils was sampled. Thickness of Baghamshah Formation in this section is 253m and mainly contains of shale and marl. According to the paleontological ...  Read More

Stratigraphy and Palaeontology
Biostratigraphy of the Gurpi Formation based on planktonic foraminiferal in Bishe-deraz section, South of Ilam

faeze Amiri; E Zarei

Volume 29, Issue 115 , June 2020, , Pages 17-26

http://dx.doi.org/10.22071/gsj.2019.153572.1561

Abstract
  The Gurpi formation in Bishe-deraz Section, south of Ilam, consists of 201m marl with intercalations of limy marl with two formal members of Seymareh (Lopha) and Emam-Hasan. The formation overlies the Ilam Formation and is gradationally overlain by the purple shales of the basal part of the Pabdeh Formation. ...  Read More

Stratigraphy and Palaeontology
Biostratigraphy and paleoecology research on Qom Formation based on microfossils at East of the Qom

k. Khaksar

Volume 29, Issue 115 , June 2020, , Pages 187-198

http://dx.doi.org/10.22071/gsj.2020.108181

Abstract
  This research has described for determinate of Oligo-Miocene Foraminifers at the Do Baradar section. The main aim project was scrutiny age of this Formation and Paleoecology distribution lot of basins have created with big streams between Zagros and Alborz with Central Iran. Final transgressive sea on ...  Read More

Stratigraphy and Palaeontology
Biostratigraphy and litho stratigraphy of Late Cretaceous sequences in Maracan Section , North of Khoy, North west of Iran

Mahin mohamadi; R. Shabanian; H. M. Alizadeh

Volume 29, Issue 114 , December 2019, , Pages 51-60

http://dx.doi.org/10.22071/gsj.2020.104131

Abstract
  This research has aimed to study the biostrtigraphy and lithostratigraphy of late cretaceous deposits  in south of Maracan village , with 320 m thickness.This sequence overlaid the lower cretaceous deposits and have been covered  by Quaternary sedimentary and magmatic rocks. Based on field ...  Read More

Stratigraphy and Palaeontology
Calcareous nannofossil biostratigraphy of Paleocene ‒ middle Eocene interval at NE Kazeroon

A. Mahanipour; Reza Afrooz

Volume 29, Issue 113 , November 2019, , Pages 25-34

http://dx.doi.org/10.22071/gsj.2018.104370.1302

Abstract
  In the present study, calcareous nannofossil biostratigraphy was investigated at the Paleocene ‒ middle Eocene interval at northeast Kazerun (Shahneshin anticline). A thickness of 50 m from the upper part of Gurpi ‒ lower part of Pabdeh formations is investigated and mainly consists of marly limestone, ...  Read More

Stratigraphy and Palaeontology
Investigation of Lithostratigraphic and Biostratigraphic of the sarvak formation at type section

kiana kiarostami; Darioush Baghbani; Seyed Mohsen Aleali; Seyed Ali Aghanabati; Mohammad Parandavar

Volume 29, Issue 113 , November 2019, , Pages 155-164

http://dx.doi.org/10.22071/gsj.2018.90662.1177

Abstract
  Lithostratigraphy and biostratigraphy studies on the Sarvak Formation in type section (Tang- e Sarvak, Northwest of Behbahan) show that this Formation has 710 meter thicknesses that divided in to four lithostratigraphic units. The Sarvak Formation in type section rests on the Kazhdumi Formation conformably ...  Read More

Stratigraphy and Palaeontology
Calcareous nannofossil biostratigraphy of Valanginian ‒ Hauterivian sediments at the lower part of the Garau Formation, Arkavaz section (Kabir-Kuh anticline, SE Ilam)

Katayoon Barmakizadeh; A. Mahanipour

Volume 28, Issue 111 , May 2019, , Pages 65-74

http://dx.doi.org/10.22071/gsj.2018.96207.1239

Abstract
  Abstract The lower part of the Garau Formation with a thickness of 212 m at the southwest of the Kabirkuh anticline is investigated with regard to the calcareous nannofossils. Lithology of the studied interval is mainly consists of marl, marly limestone, black shale and limestone. 67 species from 33 ...  Read More

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

http://dx.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

Stratigraphy and Palaeontology
Biostratigraphy and palaeoecology of the Surgah Formation based on calcareous nannofossils in shah-Nakhjir section (south west Ilam)

Mohammad Hassan Shokri; Fatemeh Hadavi; Lida Khodadadi; M. Notghi Moghaddam; Hossein KAMYABI SHADAN

Volume 28, Issue 110 , December 2018, , Pages 183-192

http://dx.doi.org/10.22071/gsj.2018.79020.1061

Abstract
  Economically the Surgah Formation is the most significant in the Zagros sedimentary basin. In this study, the calcareous nannofossils have been investigated of the Surgah Formation from the Shah-nakhjir section. The thickness of the Surgah Formation is about 147 meters and composed of marly limestone ...  Read More

Stratigraphy and Palaeontology
Evidence of Barremian climate based on calcareous nannofossils at Garau Formation (Qaleh-Darreh section)

Maryam Eftekhari; Azam Mahanipour; Mohammad Dastanpour

Volume 27, Issue 108 , September 2018, , Pages 27-36

http://dx.doi.org/10.22071/gsj.2017.75623.1025

Abstract
  Abstract Barremian sediments of the Garau Formation have been investigated at the southwest of the Kabir-kuh anticline (Qaleh-Darreh section) with regard to calcareous nannofossils. According to the presence of index calcareous nannofossils, NC5 biozone and NC5c, NC5d and NC5e subzones of Roth (1978) ...  Read More

Biostratigraphy and paleoecology of Abderaz Formation in Chahchaheh section, East Koppeh Dagh based on Ostracods

S. Sanjary; F. Hadavi; M. Notghi Moghaddam; M. Allameh

Volume 27, Issue 108 , September 2018, , Pages 75-82

http://dx.doi.org/10.22071/gsj.2018.69268

Abstract
  In the present study the Abderaz Formation ostracods were investigated. The thickness  of the formation in this section is 385m, and consists of shale and marl together with three horizons of chalky limestone. Paleontological studies led to identification of 16 genera and 51 species of ostracods ...  Read More

Stratigraphy and Palaeontology
Biostratigraphy, sequence stratigraphy and depositional environment of Dalan and Kangan formations in Lavan Gas Field in Persian Gulf, with emphasis on Permian-Triassic boundary

Somayeh Baharlouei Yancheshmeh; Ebrahim Ghasemi Nejad; Hossain Rahimpour-Bonab; Seyyed Ali Aghanabati

Volume 27, Issue 108 , September 2018, , Pages 169-180

http://dx.doi.org/10.22071/gsj.2017.78903.1055

Abstract
  Permo- Triassic subsurface section at Lavan 3 Well in Lavan Gas Field exhibits a 85 m-thick succession of limy dolostone and dolomitic limestone bearing anhydrite in the upper Dalan Formation, as well as a 154 m-thick succession of limy dolostone and dolostone with anhydrite ...  Read More

Calcareous nannofossils biostratigraphy of lower Cretaceous deposits of east of Iran, NW of Qayen (Nimbolook stratigraphic section)

Z. latifi; F. Foroughi; M. Motamedalshariati; S. N. Raeisossadat

Volume 27, Issue 107 , June 2018, , Pages 41-50

http://dx.doi.org/10.22071/gsj.2018.63752

Abstract
  Calcareous nannofossils of Nimbolook section in north west of Qayen, east of Iran have been investigated. The section is 164 m thick and consists of limestone, marlstone and shale. Seventy six nannofossil species belong to thirty genera from fifteen families were identified. Based on the identified calcareous ...  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

http://dx.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

Description and biostratigraphy of the ammonite fauna from the Kazhdumi Formation at Tang-e-Maghar, Northwest of Behbahan (Zagros Basin)

A. Yavari; M. Ghavidel syooki; M. R. Majidifard; S. H. Vaziri

Volume 27, Issue 107 , June 2018, , Pages 221-232

http://dx.doi.org/10.22071/gsj.2018.63827

Abstract
  The Kazhdumi Formation is well exposed and accessible in Tang-e Maghar, northwest of  Behbahan city, Zagros basin. In this area, this formation has a thicknees of 344 m and it mainly consists of alternation of black - gray shale with medium – thin-bedded cream – gray argillaceous limestone. ...  Read More

Dinoflagellate palynostratigraphy of middle Jurassic of the Hojedk Formation, Tabas, Central-East Iran and its correlation to other Palynomorph zones in Iran and elsewhere

F. Vaez-Javadi

Volume 27, Issue 107 , June 2018, , Pages 265-276

http://dx.doi.org/10.22071/gsj.2018.63837

Abstract
  Hojedk Formation spreads well through the Tabas Block. Diverse and moderately preserved palynofloras occur in the Middle Jurassic sediments of the formation in south Kouchekali, southwest of Tabas, central-east Iran. The present investigation of the Hojedk Formation has revealed a diverse assemblage ...  Read More

Middle Jurassic biostratigraphy of plant macro and microfossils in Soltanieh Mountains, south of Zanjan, NW Iran

Fatemeh Vaez-Javadi; Nasrollah Abbassi

Volume 27, Issue 106 , March 2018, , Pages 91-102

http://dx.doi.org/10.22071/gsj.2018.58367

Abstract
  Jurassic deposits a section in south of Zanjan contain various taxa of macro and microfloras. Six plant macrofossil species belonging to five genera of various orders such as Equisetales, Cycadales, Bennettitales, and Pinales (Coniferales) are identified. This section contains seventeen species of palynomorphs ...  Read More