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)
Microfacies, depositional environments and biostratigraphy of Asmari Formation in Dashroom section (South of Yasuj)

T. Binazadeh; A. Binazadeh; T. Vafaei

Volume 27, Issue 106 , March 2018, , Pages 169-178

https://doi.org/10.22071/gsj.2018.58239

Abstract
  The Asmari Formation is a thick carbonate sequence in Zagros foreland basin (southwest of Iran). It was deposited during Oligocene – Early Miocene ages. The formation with a thickness of 233m cropped out in the Dashtroom section (15 km south of Yasuj). This formation was studied from microfacies, ...  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

Evaluation of Late Campanian‒Early Maastrichtian surface water nutrients of the Gurpi Formation, Gurpi anticline: evidence from calcareous nannofossils

A Mahanipour; A Najafpour; M Dastanpour

Volume 26, Issue 102 , March 2017, , Pages 257-266

https://doi.org/10.22071/gsj.2017.44069

Abstract
  Calcareous nannofossils have been investigated at the lower part of the Gurpi Formation at the southwest of Gurpi anticline. According to the index calcareous nannofossils CC22/UC15eTP to CC24/UC18 bio-zones have been identified and the age of Late Campanian ‒ Early Maastrichtian is considered for ...  Read More

Planktonic Foraminiferal Biostratigraphy of the Gurpi Formation in South Qir, Fars

L Fazli

Volume 25, Issue 97 , December 2016, , Pages 11-20

https://doi.org/10.22071/gsj.2015.41348

Abstract
  For biostratigraphy of the Gurpi Formation, three sections of Halegan well, Kuh-e-Harm and Kuh-e- Nareh were selected and sampled in south Qir, Fars province. The formation is 152m thick in Kuh-e- Harm section, 124m in Kuh-e Nareh section and 128 m in well Halegan and is mainly containing argillaceous ...  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

Calcareous nannofossil biostratigraphy of Sarcheshmeh and Sanganeh formations at Qaleh Zoo section (North-West of Shirvan)

A Gholami fard; A Kani; A Mahanipour

Volume 25, Issue 100 , September 2016, , Pages 199-208

https://doi.org/10.22071/gsj.2016.40738

Abstract
  This study investigates the Lower Cretaceous sedimentary succession comprising Sarcheshmeh Formation and Sanganeh Formation in the Ghaleh zoo Section from the standpoint of Calcareous Nannofossils. The results reveals presence of 60 species from 33 genera of 15 families. Based on the index nannofossil ...  Read More

Microbiostratigraphy of the Pabdeh Formation (Middle-Upper Eocene) in the Southern slope of the Mishan and Eshgar Mountains in the Izeh zone, West of Kazeroon fault

F Chegeni; D Baghebani; S.H Vaziri; T Mohtat; N Kohansal Ghadimvand

Volume 25, Issue 99 , June 2016, , Pages 143-156

https://doi.org/10.22071/gsj.2016.40892

Abstract
  For the purpose of biozonation of the Pabdeh Formation (Middle-Upper Eocene) based on planktonic foraminifera, a stratigraphic section in the southern slope of the Mishan Mountain and another in the Eshgar Mountain were studied. The thickness of these sections is 162.5 and 150 meters, respectively. The ...  Read More

Biostratigraphy of Devonian successions in Illanghareh, Illanlu and Pir-Eshag sections, North West Iran, based on Conodonts

S Abbasi; B Hamdi; M.R Majidifard

Volume 25, Issue 99 , June 2016, , Pages 209-226

https://doi.org/10.22071/gsj.2016.40912

Abstract
  Study of conodont fauna from the Illanghareh Formation in Illanghareh, Illanlu and Pir-Eshag sections provide new data on the stratigraphy of this formation in the North West Iran. Illanghareh section is a terrigenous-carbonate rock sequence, consists mainly of quartzarenite sandstone, shale, and carbonate ...  Read More

Ostracod biostratigraphy of Abtalkh Formation in Mozduran section, East of Kopeh-Dagh

B Mostafavi; F Hadavi; M Allameh; M Notghi Moghaddam

Volume 25, Issue 99 , June 2016, , Pages 253-260

https://doi.org/10.22071/gsj.2016.40916

Abstract
  The Abtalkh Formation is one of the Cretaceous sedimentary units of Kopeh-Dagh sedimentary basin that consist shale and marl. This formation is rich in ostracods. This study lead to recognition of 18 genera and 48 species. The recognized assemblages of ostracods is compared with those reported from Iran ...  Read More

Biostratigraphic Interpretation and Systematics of Some Alveolina Species Assemblages in the Ziarat Formation from Soltanieh Mountains (Western Alborz)

M Hadi; H Mosaddegh; N Abbassi

Volume 24, Issue 95 , June 2015, , Pages 39-44

https://doi.org/10.22071/gsj.2015.42254

Abstract
  Carbonate successionsof the Ziarat Formation with introduce the Baghdareh and Gheynarjehsections in the Soltanieh Mountains(southern Zanjan) are rare locality in the western Alborzzone,which are contains of great abundance oflarge benthic foraminifera (LBF), particularly species of Alveolina. In fact, ...  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

Biostratigraphy of Gurpi Formation Based on Calcareous Nannoplanktons in Gach and Kurdeh Anticline Sections (Lar Region)

N Badri; A.L Kani

Volume 24, Issue 94 , March 2015, , Pages 19-26

https://doi.org/10.22071/gsj.2015.42562

Abstract
  The Gurpi Formation has a wide extent in the Zagros Sedimentary Basin.It has received considerable attention due to its unique stratigraphic position, chronostratigraphic importance, and floral and faunal diversity and abundance.In order to biostratigraphically classification and correlation of theGurpi ...  Read More

Study of the Lithostratigraphy and Biostratigraphy of Ammonite Fauna of the Dalichai Formation at the Mahdishahr Section, N Semnan

T Sarbandi Farahani; M.R Majidifard; M.R Kebriaee- Zadeh; M Mohammadi

Volume 24, Issue 94 , March 2015, , Pages 27-38

https://doi.org/10.22071/gsj.2015.42563

Abstract
  The Middle Jurassic rocks are widely distributed and superbly exposed in the AlborzMountains (Northern Iran). In the central part of the mountain range, near Mahdishahr (Northern Semnan), the Dalichai Formation, from the underlying conglomerate and sandstones of Shemshak Formation to the limestones of ...  Read More

Lithostratigraphy and Biostratigraphy of the Middle Part of the Shemshak Group at GolbiniSection Based on Ammonites, NE Jajarm, Eastern Alborz

Z Kiadaliri; M.R Majidifard

Volume 24, Issue 94 , March 2015, , Pages 91-100

https://doi.org/10.22071/gsj.2015.42586

Abstract
  The Lower- Middle Jurassic strata are well developed in northeast of Jajarm (E Alborz). At the study section, the Shemshak Group has a maximum thickness of 585 m, consisting of grey silty sandstones and light- green siltstones with brown sandstones, subdivided into 3 formations ofAlasht, Shirindasht ...  Read More

Planktonic Foraminiferal Biostratigraphy of Middle Albian to Cenomanian Strata in Kabir Kuh Anticline, Southeast of Ilam

J Daneshian; K Younesi; A Azad; S.A Moallemi

Volume 24, Issue 94 , March 2015, , Pages 155-164

https://doi.org/10.22071/gsj.2015.42600

Abstract
  Two stratigraphic sections of Tang-e-Chenarbashi (712 meters) and Tang-e-Bavolak (870 meters) in the Kabir kuh anticline were selected for investigating planktonic foraminiferal biostratigraphy of the Sarvak Formation. These sections encompass of pelagic facies and containing rich microfauna of Middle ...  Read More

Biostratigraphy of the Surgah Formation in Shah Nakhjir Anticline Section (Southwest of Ilam City) Based on Planktonic Foraminifera and Correlation with Type Section

A Sadeghi; M Raziani

Volume 24, Issue 93 , December 2014, , Pages 119-126

https://doi.org/10.22071/gsj.2014.43551

Abstract
  In order to study of the Surgah Formation in Southwest of Ilam City, one section in the Shah Nakhjir anticline was selected. The thickness of the Surgah Formation is about 161 meters and consists mainly of green shales and olive green marly shales with intercalation of gray shaly limestones. The lower ...  Read More

Biostratigraphy of Late Devonian Conodonts in Gerik Section, Eastern Zarand (Kerman Province)

H Gholamalian; S Ghoreishi Maremy; M Parvaneh Nezhad Shirazi

Volume 23, Issue 92 , September 2014, , Pages 105-114

https://doi.org/10.22071/gsj.2014.43657

Abstract
  The Bahram Formation equivalent sequence in the Gerik section (eastern Zarand) displays middle Frasnian to early Famennian age on the basis of conodont investigation. Twenty-eight species and subspecies were identified. Seven biozones were recognized on the basis of vertical distribution of these taxa ...  Read More

Lithostratigraphy and Biostratigraphy of the Surgah formation in East of Khoramabad

S Azadbakht; M.R Majidifard; S.A Babazadeh

Volume 23, Issue 92 , September 2014, , Pages 219-226

https://doi.org/10.22071/gsj.2014.43705

Abstract
  In this study, the Surgah formation is identified and introduced for the first time in the east of Khoram-Abad. This formation in the east of Khoram-Abad consists of up to 260 meters light grey, thin to thick –bedded limestone with intercalation of shaly-limestone and a Turonian to Santonian age. ...  Read More

Biostratigraphy and Lithostratigraphy of the Middle and Late Jurassic Rocks West of Binalud Range Northwest of Neyshabour, Northeast Iran

F. Dabbaghi Sadr; K. Seyed-Emami; M. Majidi Fard

Volume 22, Issue 85 , December 2013, , Pages 35-46

https://doi.org/10.22071/gsj.2012.54019

Abstract
  Upper Jurassic rocks are well developed at the western part of the Binalud Range (northeast Iran). These consist mainly of limestone, marlstone and marl with few intercalations of sandstone and conglomerate. The thickness of this succession in the study section (Bormahan, northwest of Neyshabour) ...  Read More

Lower Permian Fusulinids Biostratigraphy in Chili Formation (Member of Khan Group) in the Kalmard Area, Eastern Central Iran (Rahdar Section)

H. Yarahmadzahi; M. N. Gorgij; S. A. Aghanabati; A. Saeidi

Volume 22, Issue 87 , December 2013, , Pages 75-82

https://doi.org/10.22071/gsj.2013.53832

Abstract
  The studied section is located west of Tabas (Rahdar Mountion) in the Kalmard Block. The newly named Chili formation, as the first rock unit of the Khan group consist mainly of arenacous limestone, limestone and dolomite and has disconformity contact with underlying lower carboniferous deposits (Padeh ...  Read More

Biostratigraphy and Biogeography of the Gurpi Formation in Mish-khas Section, South of East Ilam Province, Based on Foraminifera

M. Asgharian Rostami

Volume 22, Issue 85 , December 2013, , Pages 135-148

https://doi.org/10.22071/gsj.2012.54029

Abstract
  In order to study the Gurpi formation for biostratigraphical purposes the 310 meters thick section was sampled at Mish-khas Sectiona, Ilam province. The sequence is mainly made up of monotonous marl, limy marl and Limestone and contains two formal members of Lopha (with brachiopod, Echinoid and Bivalve) ...  Read More

Biostratigraphy and Palaeoecology of the Maestrichtian Deposits (Tarbur and Gurpi Formations) at Gardbishe Area (South of Borojen)

H. Vaziri-Moghaddam; A. Safari; S. Shahriari; A. Khazaei; A. Taheri

Volume 22, Issue 87 , December 2013, , Pages 143-162

https://doi.org/10.22071/gsj.2013.53846

Abstract
  In order to study the biostratigraphy and palaeoecology of the Maestichtian deposits (Tarbur and Gurpi formations) in High Zagros, Gardbishe section in south of Borojen was selected. The Tarbur deposits in this region are mainly composed of carbonate and clastic a rock which has been overlaind by Gurpi ...  Read More

Calcareous Nannofossils Biostratigraphy of the Upper Part of Gurpi Formation- Lower Part of Pabdeh Formation (Purple shale) at the North-East of Gurpi Anticline

Mohammad Parandavar; A Mahanipur; S. A Aghanabati; S. A. Hoseini

Volume 23, Issue 89 , December 2013, , Pages 187-198

https://doi.org/10.22071/gsj.2013.53608

Abstract
   In this study the upper part of Gurpi Formation and the lower part of Pabdeh Formation have been investigated with regard to the calcareous nannofossils. The thinkness of the studied section is about 127 meter and it consists of Marls, gray-green shales and purple shales. 50 genus and 101 species ...  Read More

Calcareous Nannofossils Biostratigraphy of the Ilam and Gurpi Formations in Sarvestan (Southwestern of Iran)

S. Senemari; Sh. Hasanpour

Volume 22, Issue 87 , December 2013, , Pages 205-212

https://doi.org/10.22071/gsj.2013.53857

Abstract
  Calcareous Nannofossils are good tool for biostratigraphy, especially in the Late Cretaceous. With respect to this and due to the lack of any precise paleontological study, the calcareous nannofossils of Ilam and Gurpi Formations were investigated in the Southwestern Sarvestan. These Formations consists ...  Read More

Calcareous Nannofossils Biostratigraphy of the Gurpi Formation At the Bavan Section, Northwest Shiraz

M. Azizi; S. Senemari

Volume 22, Issue 86 , December 2012, , Pages 65-74

https://doi.org/10.22071/gsj.2012.54068

Abstract
  Using calcareous nannofossils is a powerful way for biozonation in sub-stage level, especially in the Late Cretaceous and Cenozoic, because they are planktonic, cosmopolitan, abundant and have very short age. Considering lack of any precise paleontological studies about the Gurpi Formation in the NW ...  Read More