Volume 34 (2024)
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
Calcareous nannofossil biostratigraphy of Paleocene ‒ middle Eocene interval at NE Kazeroon

A. Mahanipour; Reza Afrooz

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

https://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
Systematic and Paleoecology of species Pseudozaphrentoides winsnesi (Solitary Rugose coral) from Gzhelian (Late Carboniferous) in Tabas block, Eastern Iran

mahdi badpa; Hamed Yarahmadzahi; Kaveh Khaksar

Volume 29, Issue 113 , November 2019, , Pages 65-74

https://doi.org/10.22071/gsj.2018.120817.1425

Abstract
  The Anarak Group with Zaladu (Gzhelian-Asselian age) and Tigh-e-Madanu (Sakmarian age) formations in the Ozbak Kuh Mountains (Central Iran) is more than 180 m thick and includes thick units of conglomerate, shale, sandstone, calcareous sandstone, sandy limestone, fusulinid limistone, marl and dolomite ...  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

https://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
Evaluation bioevents of Discoaster multiradiatus Zone- Sphenolithus predistintus Zone in Pabdeh Formation, based on calcareous nannofossils in northeast of Kazerun, Fars structural zone

s senemari

Volume 29, Issue 113 , November 2019, , Pages 179-188

https://doi.org/10.22071/gsj.2018.112839.1364

Abstract
  In order to study biostratigraphy of the Pabdeh Formation in the Northeast Kazerun, Murdak section was selected. In this section, Pabdeh Formation is mainly consists of marl, shale and marly limestone. The study of calcareous nannofossils led to the recognition of 70 species and 28 genera. According ...  Read More

Stratigraphy and Palaeontology
Structural evolution of Zoophycos group trace fossils from the Pabdeh Formation (Paleocene–Oligocene), SE of Ilam province, SW Iran

Zahra Hosseini Asgarabadi; Nasrollah Abbassi; Hassan Mohseni; Saeed Khodabakhsh

Volume 29, Issue 113 , November 2019, , Pages 211-220

https://doi.org/10.22071/gsj.2018.111342.1348

Abstract
  The Pabdeh Formation (Paleocene to Oligocene in age) comprises alternation of marl and limestone with the Purple Shale at the base is well exposed on the flanks of the Kabir-Kuh. Thalassinoides, Rhizocorallium, Planolites, Chondrites, cf. Rosselia, Spirophyton and Zoophycos were found in the limestone ...  Read More

Stratigraphy and Palaeontology
Statistical analysis of apertural protective structures of the planktonic foraminifera at Abderaz Formation ( Turonian-Earliest Campanian), east of the Kopeh-Dagh basin, (NE Iran)

Meysam Shafiee Ardestani; Mohammad Vahidinia

Volume 29, Issue 113 , November 2019, , Pages 229-244

https://doi.org/10.22071/gsj.2018.108809.1339

Abstract
  Apertural protective structures of the planktonic foraminifera in the Abderaz Formation have been studied in order to determine seal level changes in 4 stratigraphical sections including: Abderaz village, Muzduran pass, Padeha village and Shorb . Lithological study of the Abderaz Formation shown that ...  Read More

Stratigraphy and Palaeontology
Survey and investigation of K-Pg boundary in Huno and Zaluband sections (East of Khur area)

Fateme Mahdikhani; Mahmoud Reza Majidifard; T. Mohtat; L. Bakhshande; M. Zamanipedram

Volume 29, Issue 113 , November 2019, , Pages 271-282

https://doi.org/10.22071/gsj.2019.99298

Abstract
  In order to study the biostratigraphy and lithostratigraphy of the K/Pg boundary two sections was considered. They are the Kuh-e Zaluband and Kuh-e Hunu sections in east of Khur (Esfehan Province). At the Kuh-e Zaluband section has a maximum thickness of 100 m, consisting of marl, limestone, sandy limestone, ...  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

https://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

Stratigraphy and Palaeontology
Sedimentary Environment and Sequence Stratigraphy of Asmari Formation in Haftkel oilfield, (well no. 28), Dezfool Embaymen, and comparing it whit Asmari Formation in Masjed-I-Soleiman oilfield (well no. 186) , Khuzestan Province

Mohammad Lorstani; Abdolhosein kangazian; Amrolah Safari; M.R Noura

Volume 28, Issue 110 , December 2018, , Pages 79-88

https://doi.org/10.22071/gsj.2017.80342.1068

Abstract
  In this study, the subsurface sedimentary successions of the Asmari Formation have been studied using cores and thin sections obtained from the well no. 28 of Haftkel and correlated with well no. 186 of Masjed-I-Soleiman oilfields data. in this study,18 carbonate and 1 carbonate/evaporate microfacies ...  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

https://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

https://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

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

https://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

Stratigraphy and Palaeontology
Systematic Paleontology of Alveolinids in the red continental - clastic Hormak formation, South Eastern of Iran, North of Zahedan, Hormak Section

Reza Moezzi nasab; Mohammad Nabi Gorgij; Mohammad Reza Bakhshi mohebbi

Volume 28, Issue 109 , September 2018, , Pages 229-236

https://doi.org/10.22071/gsj.2017.81959.1084

Abstract
  Hormak Section consist of alternation of Oligomictic conglomerate with mainly Alveolinids and Nummulitid bearing calcareous pebbles and afew andesits, basalt and rhyolitic tuff pebbles, Pebbly Sandstone and red shale. The Sourse of red continental - clastic Hormak formation conglomerate probably was ...  Read More

Stratigraphy and Palaeontology
Palynology of the Bazyab Formation at the Bazyab stratigraphic section, Central Iran

Mohammad Sharifi; Ebrahim Ghasemi-Nejad; M. Akhtari; Mehdi Sarfi; Mohsen Yazdi-Moghadam

Volume 28, Issue 109 , September 2018, , Pages 319-326

https://doi.org/10.22071/gsj.2017.91471.1187

Abstract
  The Bazyab Formation is one of the Cretaceous rock units in the Khor and Byabanak area. In this study we investigated palynological content of the Bazyab Formation at the Bazyab stratigraphic section where it is up to 1067 meters thick and consists of marlstones, shales, sandstones, limestones and sandy ...  Read More

Stratigraphy and Palaeontology
Sequence stratigraphy of the Aitamir Formation (Albian-Cenomanian) in Baghak and shurijeh sections-east Koppeh Dagh Basin

M. Allameh; A. Mahboubi; R. Moussavi-Harami; M. Khanehbad

Volume 26, Issue 103 , June 2017, , Pages 3-12

https://doi.org/10.22071/gsj.2017.46723

Abstract
  The Aitamir Formation (Albian-Cenomanian) composed of siliciclastic rocks and several carbonate horizons. In order to study depositional environment and sequence stratigraghy, two stratigraghic sections studied in east Koppeht Dagh basin near the Baghak and Shurijeh villages. Field and petrograghic studies ...  Read More

Stratigraphy and Palaeontology
Stratigraphy of the Shahbazan Formation in Lorestan basin

A. Abdolnia; I. Maghfouri Moghaddam; D. Baghbani

Volume 26, Issue 103 , June 2017, , Pages 157-168

https://doi.org/10.22071/gsj.2017.46623

Abstract
  The Shahbazan Formation deposited in the Lorestan foreland basin and northeastern part of Dezful embayment zone during the Middle-Late Eocene age. In order to study the stratigraphy of the Shahbazan Formation, four surface sections of this formation in northeastern flank of Langar anticline, southeastern ...  Read More

Stratigraphy and Palaeontology
Calcareous nannofossils biostratigraphy of the Gurpi Formation at Kalchenar section in Northwest of Izeh

S. Senemari

Volume 26, Issue 103 , June 2017, , Pages 287-294

https://doi.org/10.22071/gsj.2017.46606

Abstract
  Calcareous Nannofossils of the Gurpi Formation have been investigated at Kalchenar section (Northwest of Izeh). In this section, the Gurpi Formation is mainly consists of marls, shaly marls and marly limestones. For introducing index species, calcareous nannofossil assemblages and biozones, 150 slides ...  Read More