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
1. Reservoir quality assessment of the Fahliyan Formation in one oil field, Northwestern Persian Gulf

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

Articles in Press, Corrected Proof, Available Online from 13 September 2021

http://dx.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
2. Paleogeography and biostratigraphy of Dalichai Formation in North of Damghan (Ahavanu section) based on palynomorphs and foraminifera

elahe zarei

Articles in Press, Corrected Proof, Available Online from 23 October 2021

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
3. 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 , Autumn 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
4. Lithostratigraphy and biostratigraphy of Mobark Formation (Lower Carboniferous) based on brachiopoda in Talou area (Northwest Damghan)

Hamideh Noroozpour

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

http://dx.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
5. 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 , Autumn 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
6. Paleoecology of the Qom Formation ostracods in eastern Sirjan and southwestern Kashan (Sanandaj-Sirjan Fore-Arc Basin)

Ebrahim Mohammadi; Mohammad Javad Hassani

Volume 31, Issue 2 , Summer 2021, , Pages 65-78

http://dx.doi.org/10.22071/gsj.2020.223762.1772

Abstract
  Paleoecology of the Qom Formation ostracods in the Bojan and Varkan sections have been studied. The age of the sections has determined base on foraminifera and is Rupelian-chattian for the Bujan and Chattian for the Varkan Section. Ostracoda content of the Bujan and Varkan sections include 44 and 33 ...  Read More

Stratigraphy and Palaeontology
7. Lithostratigarphy and Biostratigaraphy of the Dalichai Formation in Absharaf Section, Northwest of Damghan on the base of Ammonites (East Alborz)

marjan zadesmaeil; Mahmoud Reza Majidifard; Seyed Hamid Vaziri; Davood Jahani

Volume 31, Issue 2 , Summer 2021, , Pages 91-100

http://dx.doi.org/10.22071/gsj.2017.97439.1250

Abstract
  The Middle and Upper Jurassic sedimentary well successions is located in the northwestern Damghan, (eastern Alborz range). The Dalichai Formation with a thickness of 618 meters in the studied section consists of marl, limestone and marly limestone. The lower boundary with the siliciclastic of the underlying ...  Read More

Stratigraphy and Palaeontology
8. 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 , Spring 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
9. Biozonation and paleobathymetry of the Gurpi Formation in the Dasht-e Arjan section , Zagros area , based on foraminifera

Arash shabanpour Haghighie; Lida Bakhshandeh; Tayebeh Mohtat; Masood Zamanipedram; Seyed hamid Vaziri

Volume 31, Issue 1 , Spring 2021, , Pages 209-220

http://dx.doi.org/10.22071/gsj.2018.104795.1311

Abstract
  In this research the Gurpi Formation in the Zagros Basin outcropping in the Dasht-e Arjan section, Shiraz province ,for the purpose of biozonational and Paleobathymetric studies were investigated. The thickness of these sediments is about 130 m and consists of Limestones and Shales.To determine the palaeobathymetry ...  Read More

Stratigraphy and Palaeontology
10. Jurassic Palynostratigraphy of the Karim-Abad section, North of Bahabad, Yazd Province: Relative abundance and SEGs Analysis

Fatemeh Vaez-Javadi; Mohammad Ali Ghanbarian

Volume 30, Issue 118 , Winter 2021, , Pages 3-14

http://dx.doi.org/10.22071/gsj.2019.194785.1680

Abstract
  Jurassic deposits are well spread in the north of Karim Abad village, north of Bahabad, central Iran. These deposits contain 41 species of palynomorphs, in which 15 spore species (12 genera), 15 pollen species (10 genera), and 10 species of dinocysts (3 genera) were identified. Vertical distribution ...  Read More

Stratigraphy and Palaeontology
11. Teredolites ichnofacies and its sequences stratigraphy position in the upper part of Ziveh Formation, Moghan area, Eastern Azarbaijan province, northwest Iran

Nasrollah Abbassi; Majid Mirzaie Ataabadi; Mohammad Hasanpour

Volume 30, Issue 118 , Winter 2021, , Pages 15-24

http://dx.doi.org/10.22071/gsj.2020.200272.1700

Abstract
  A stratigraphic section from the upper part of Ziveh Formation (Middle Miocene) has been surveyed in north Ojagh Kandi village, northeast Kalibar, Azarbaijan province. Ziveh Formation overlayed by Tortonian sediments as an angular unconformity in the studied section and its lower boundary covered by ...  Read More

Stratigraphy and Palaeontology
12. 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 , Winter 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
13. 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 , Winter 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
14. Study of Cretaceous Echinoidea of Anguran area, Northwest of Bandar Abbas

Hossein Gholamalian; Roya Fanati Rashidi

Volume 30, Issue 118 , Winter 2021, , Pages 203-214

http://dx.doi.org/10.22071/gsj.2020.235172.1807

Abstract
  Kazhdumi Formation strata in Anguran section (NW Bandar Abbas) are investigated and eight echinoid species belonging to eight genera have been identified. These species are: Tetragramma malbosii, Orthopsis ruppelli, Phyllobrissus aff. angustatus, Epiaster dartoni, Hemiaster sp., Pliotoxaster comanchei, ...  Read More

Stratigraphy and Palaeontology
15. Biostratigraphy correlation of the Sarvak and Ilam Formations in middle restricted Dezful embayment, Southwest of Iran

Behzad Saeedi Razavi; mozhgan rikhtehgarzadeh; saeedeh senemari

Volume 30, Issue 118 , Winter 2021, , Pages 241-254

http://dx.doi.org/10.22071/gsj.2020.214861.1739

Abstract
  In order to study the biostratigraphy of Sarvak and Ilam in wells A1 and A2 of Binak oilfield, B of Gachsaran oilfield, C of Aghajari oilfield and D of Rag-Sefid oilfield, numerous thin sections have been studied microscopically In the biostratigraphic study of 5 biozones in the Sarvak and Ilam formations, ...  Read More

Stratigraphy and Palaeontology
16. Neoprotrozoic-Cambrian boundary in Soltanieh Formation by the ichnological studies, Seyedkandi section, Soltanieh Mountains, NW Iran

Manizhe Famarini Bozchalouei; Nasrollah Abbassi; Armin Salsani; Afshin Zohdi

Volume 30, Issue 117 , Autumn 2020, , Pages 163-174

http://dx.doi.org/10.22071/gsj.2019.155291.1569

Abstract
  Soltanieh Formation comprises seven informal submembers as alternation of dolomites and shales, more than 1110 meters in thickness, was surveyed in the Seyedkandi section, 32 km southwest of Zanjan, northwest Iran. These submembers were subdivided as lower dolomite, lower shale, second dolomite, second ...  Read More

Stratigraphy and Palaeontology
17. Paleoenviroment of the Dalichai Formation in Darjazin section, North of Semnan based on palynomorphs and Microfacies

maryam naderiyan; elahe zarei; khadijeh Mohammad-khani

Volume 30, Issue 117 , Autumn 2020, , Pages 287-294

http://dx.doi.org/10.22071/gsj.2020.205415.1716

Abstract
  The Dalichai Formation in Darjazin section in NE Semnan with a thickness of 631 meters consisting of an alternation of bulish-gray was studied. This formation overlies the Shemshak formation disconformity with conglomerate bed and it has gradually been covered by the thick-beded limestones of the Lar ...  Read More

Stratigraphy and Palaeontology
18. 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 , Summer 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
19. Lithostratigraphy, Microbiostratigraph and Sedimentary environment of Jahrum Formation in northwest of Shiraz (Chellehgah Sepidan)

Mahnaz Parvaneh Nejad Shirazi; M. Seddighi; P. Balicheh khorram abadi

Volume 29, Issue 116 , Summer 2020, , Pages 229-238

http://dx.doi.org/10.22071/gsj.2019.163457.1588

Abstract
  This study deals with lithostratigraphy, biostratigraphy, microfacies analysis, and depositional setting of the Jahrum Formation in Chellehgah Sepidan section, NW Shiraz. Vertical changes in lithological characteristics led to recognition of 15 lithotypes. The Jahrum Formation, in this area, rests conformably ...  Read More

Stratigraphy and Palaeontology
20. Stratigraphical correlation of Paleogene deposits of the KopetDagh Central Asia based on lithological and Oyster fauna evidences

Mir Amir Salahi; Abbas Ghaderi; Alireza Ashouri; Ali asghar siabghodsi

Volume 29, Issue 116 , Summer 2020, , Pages 295-306

http://dx.doi.org/10.22071/gsj.2018.118806.1409

Abstract
  To separate the different units of the Paleogene sequences of the Kopet-Dagh basin and their regional correlation with the adjacent areas in the Central Asia, the Oyster bivalves fossils are used in the current research. Also, the study of their paleobiogeography has been considered in this study. Based ...  Read More

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

faeze Amiri; E Zarei

Volume 29, Issue 115 , Spring 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
22. The early Aptian Oceanic Anoxic Event 1a (OAE 1a) based on calcareous nannofossils at Garau Formation (Kabir-Kuh anticline), West Iran

Azam Mahanipour; Maryam Eftekhari; Soheila Soheili

Volume 29, Issue 115 , Spring 2020, , Pages 53-60

http://dx.doi.org/10.22071/gsj.2018.144766.1526

Abstract
  In order to study the early Aptian Oceanic Anoxic Event 1a (OAE 1a), calcareous nannofossils are investigated at the late Barremian ‒ early Aptian sediments of the Garau Formation at south west of the Kabir-Kuh anticline, Qaleh-Darreh section. Ninety species of calcareous nannofossils from 43 genus ...  Read More

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

k. Khaksar

Volume 29, Issue 115 , Spring 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
24. First record of Middle and Late Jurassic of benthic foraminifera from Estern Alborz (Goznawwi section) and Koppeh Dagh (Chaman Bid section)

Tayebe Sarbandi Farahani; Mehdi Yazdi; Mahmoud Reza Majidifard

Volume 29, Issue 115 , Spring 2020, , Pages 301-312

http://dx.doi.org/10.22071/gsj.2019.121419.1427

Abstract
  This paper focused on the systematic of the benthic foraminifera from the Chaman Bid and Goznawwi sections. At the type locality of the Chaman Bid Formation, consists of alternation of limestone (grainstone to wackstone), argilasious limestone and marl. The age of tha Chaman Bid Formation based on ammonite ...  Read More

Stratigraphy and Palaeontology
25. 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 , Autumn 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