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 23 (2014)
Volume 22 (2013)
Volume 21 (2012)
Volume 20 (2011)
Volume 19 (2010)
Volume 18 (2009)
Volume 17 (2008)
Volume 16 (2007)
Original Research Paper
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

Original Research Paper
Early Carboniferous Brachiopod Assemblages from the Mobarak Formation in Labrud Section, Northern Damghan

B Aghababalou; Kh Khosrotehrani; S.M Hoseininezhad

Volume 24, Issue 94 , March 2015, Pages 11-18

https://doi.org/10.22071/gsj.2015.42561

Abstract
  The early Carboniferous Mobarak Formation is well exposed in the north of Damghan. It consists of fossiliferous limestone, marly limestone and grey shales. 31 species from 23 genera including: Rossirhynchus adamantinus (Gaetani, 1964), Tomiproductus elegantulus (Tolmmachev, 1924), Pustula cf. altaica ...  Read More

Original Research Paper
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

Original Research Paper
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

Original Research Paper
Paleoecology of Aptian Gastropods in Bafgh Area, East of Yazd, Iran

H Karimian zade; M.R Vaziri; A Lotf abad Arab

Volume 24, Issue 94 , March 2015, Pages 39-44

https://doi.org/10.22071/gsj.2015.42565

Abstract
  In order to study the paleoecology of the Aptian gastropods, the Bafgh section with 380 meters thickness, in East of Yazd were studied in detail. In this region, a variety of different fossil groups, including macrofossils (gastropods, ammonites and echinoids) and microfossils (foraminifers and ostracods) ...  Read More

Original Research Paper
Planktic Foraminiferal Palaeobathymetry of the Santonian-Campanian Boundary in Eastern Kopeh-Dagh Basin, Northeastern Iran

M Shafiee Ardestani; M Vahidinia; A Sadeghi

Volume 24, Issue 94 , March 2015, Pages 45-64

https://doi.org/10.22071/gsj.2015.42573

Abstract
  In this research, we documented a paleontological study on the basis of planktic foraminifera, in five stratigraphic sections (Type, Padeha village, Shorab, Abderaz village and Qarehso) across the Santonian-Campanian transitional boundary in the eastern Kopeh-Dagh sedimentary basin. In all sections, ...  Read More

Original Research Paper
Biozonation and Paleobathymetry of the Campanian -Maastrichtian Deposits Based on Planktonic Foraminifera in Jupar Section, Central Iran

B Ghasemshirazi; M.R Majidifard; A Kheradmand; T Mohtat

Volume 24, Issue 94 , March 2015, Pages 65-72

https://doi.org/10.22071/gsj.2015.42576

Abstract
  In this research, the Campanian -Maastrichtian deposits in Jupar section, Central Iran have been studied to determine biozonation and Paleobathymetry of the deposits. The planktonic and benthic foraminifera were studied in order to assign palaeobathymetry of the Campanian- Maastrichtian deposits. A depth ...  Read More

Original Research Paper
Systematic and Paleoecology of Middle-Cretaceous Brachiopods of Family Sellithyrididae from Estakhrooyeh Section, West of Kerman

F Foladi; M Dastanpour

Volume 24, Issue 94 , March 2015, Pages 73-80

https://doi.org/10.22071/gsj.2015.42583

Abstract
  In order to study of the systematic and paleoecology of Cretaceous (Aptian-Early cenomanian) Brachiopods, the Estakhrooyeh section in NW Baghin, west of Kerman City with 190 m in thickness was studied and sampled. The Middle part of this section contains diverse assemblages of macrofossils such as Brachiopods, ...  Read More

Original Research Paper
Palaeobathymetry of the Sarvak Formation in Well AZ 354 of Ahwaz Oil Field based on Foraminifera

M.H Kazemzadeh; E Ghasemi-Nejad; H Vaziri-Moghaddam

Volume 24, Issue 94 , March 2015, Pages 81-90

https://doi.org/10.22071/gsj.2015.42585

Abstract
  The Sarvak Formation in Well AZ 354 of Ahwaz Oil Field attains a thickness of 1712 meters and contains creamy to white and occasionally gray limestone. The recorded foraminifera indicate upper Albian to lower Turonian age for this formation. In order to study paleobathymetry and sea level changes during ...  Read More

Original Research Paper
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

Original Research Paper
Syetematic and Biostratigraphic Studies of Early Carboniferous Brachiopods in Abrendan Section, Damghan Area

M Bahrammanesh Tehrani

Volume 24, Issue 94 , March 2015, Pages 101-120

https://doi.org/10.22071/gsj.2015.42587

Abstract
  In this research, the brachiopod fauna from the Tournaisian (Early Carboniferous) Mobarak Formation located in the EasternAlborzMountains, North Iran have been analyzed. 745 specimens have been collected from the Abrendan section, located in north of the DamghanTown. The specimens classified into 36 ...  Read More

Original Research Paper
Introduction, Taphonomy and Palaeoecology of late Aptian- Early Cenomanian Oysters (Family: Gryphaeidae), Basab Area, Northwest of Kerman

L Asghari; M.R vaziri; A Arab

Volume 24, Issue 94 , March 2015, Pages 121-132

https://doi.org/10.22071/gsj.2015.42588

Abstract
  The thick layers of late Aptian- early Cenomanian deposits in the northwest of Kerman, which consist of mainly marl and limestone has been sampled and studied. The thickness of the succession in the Basab area is 380 meters and is subdivided into 4 distinct and informal units that named Lower Basab Marl, ...  Read More

Original Research Paper
Report of Jurassic Pantanellium Genus from Kermanshah Radiolarites, West Iran

S.H Vaziri; M Rami; A Matsouka; M.R Majidifard

Volume 24, Issue 94 , March 2015, Pages 133-140

https://doi.org/10.22071/gsj.2015.42590

Abstract
  The Halashi 1 section in south of Kermanshah, West Iran with a thickness of 243 m consists of chert, limestone, mudstone, marlstone and shale and can be divided into 10 Beds/Bedsets. From the studied section, which led to identification the genus Pantanellium that is one of the most prolific genera among ...  Read More

Original Research Paper
Biostratigraphy of Calcareous Nannofossils of Abtalkh Formation in the Eastern Kopet-Dagh Basin, Jalilabad (Southwest of Kalat) and Abtalkh Village (East of Mashhad) Stratigraphic Sections

F Foroughi; A Lotfali Kani; S Gardin; M Vahidinia

Volume 24, Issue 94 , March 2015, Pages 141-154

https://doi.org/10.22071/gsj.2015.42599

Abstract
  The Kopet-Dagh basin is located in the northeast of Iran, in the triangle border of Iran, Turkmenistan and Afghanistan and consists of the marine Jurassic to Neogene strata. The Abtalkh Formation is one of the thickest lithostratigraphic upper Cretaceous units in the eastern Kopet-Dagh basin and is composed ...  Read More

Original Research Paper
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

Original Research Paper
Paleoecology and Paleoenvironment of the Basal Purple Shales of the Pabdeh Formation at Bisheh-Deraz Section, Southwest of Iran

J Rabbani; E Ghasemi-Nejad; A.R Ashouri; M Vahidinia

Volume 24, Issue 94 , March 2015, Pages 165-172

https://doi.org/10.22071/gsj.2015.42601

Abstract
  The basal unit of the Pabdeh Formation at Bisheh-Deraz section composes of 47m purple to green to grey shale and marl. These beds gradually change to shale and argillaceous limestone in the top of the section. In order to study paleoecology and paleoenvironment of these beds, palynological evidences ...  Read More

Original Research Paper
The Upper Triassic Sphinctozoan Sponges of the Howz-e Khan Member of the Nayband Formation, Southwest of Naybandan, East Central Iran

K Rashidi; B Saberzadeh

Volume 24, Issue 94 , March 2015, Pages 173-182

https://doi.org/10.22071/gsj.2015.42603

Abstract
  The Upper Triassic sediments in the Central Iran are known as Nayband Formation. They are a set of carbonatic and detritic sediments that can be divided into several members. The carbonatic Bidestan and Howz-e Khan members contain a diverse fauna and flora. In order to study and identify the taxonomic ...  Read More

Original Research Paper
Determination of Sedimentation Rate and Verification of Holocene Sediments in Northeastern Part of the Persian Gulf: ACase Study in Southern Bandar Abbas

R Lak; M Taghizadeh

Volume 24, Issue 94 , March 2015, Pages 183-192

https://doi.org/10.22071/gsj.2015.42608

Abstract
  The Persian Gulf has an area about 240000 km2, considered as the northern part of the counterclockwise movement of Arabian Plate and as a recent example of Holocene carbonated sedimentary environment in dry (arid) climate. The basin volume, regarding to its average depth (36m), is estimated about 87,000km3. ...  Read More

Original Research Paper
Mineralogy, Origin and Distribution of Clay in the Meyghan Playa, Arak

L Abdi; H Rahimpour-Bonab

Volume 24, Issue 94 , March 2015, Pages 193-202

https://doi.org/10.22071/gsj.2015.42612

Abstract
  The Meyghan Playa is an inland closed basin, which is located in center of the aquifer Arak plain. This playa is a seasonal lake and from hydrological point of view acts as erosional base level of region and is appropriate site for precipitation clastic and chemical deposits. For mineralogical and sedimentological ...  Read More

Original Research Paper
Study of Original Carbonate Mineralogy of the Nayband Formation Using Geochemical Evidences in Darbidkhoon, Tarz, Gitry and Kuhbanan Stratigraphic Sections, SE of Iran

Z Kalantarzadeh; M.H Adabi; H Rahimpour Bonab

Volume 24, Issue 94 , March 2015, Pages 203-216

https://doi.org/10.22071/gsj.2015.42616

Abstract
  After Early Cimmerian orogenic stage, due to marine transgression, the Nayband Formation  Norian_Rethian (Upper Triassic) in age  deposited in the Central Iran Zone. Because of transforming of aragonite and high Mg calcite into low Mg calcite during diagenesis, recognition of original carbonate ...  Read More

Original Research Paper
Geochemical Changing of the Devonian–Carboniferous Transition in the Labnesar Section, N Damghan, Iran

K Mohammadi; N Taghipour; H Mosaddegh

Volume 24, Issue 94 , March 2015, Pages 217-228

https://doi.org/10.22071/gsj.2015.42621

Abstract
  Due to some environmental variations such as sea level fluctuation and the Hangenberg mass extinction event, geochemical variations of elements have occurred in the Devonian-Carboniferous transition, which some of these elements are useful indicators to display the source of sediments and the sea level ...  Read More

Original Research Paper
The Study of Role and Texture of Anhydrite in Production Zone of Asmari Formation in Mansuri Oil Field, Zagros, Iran

M Kavianpor sangno; A Namdarian; S.R mousavi-Harami; A Mahboubi; A Omidpour

Volume 24, Issue 94 , March 2015, Pages 203-216

https://doi.org/10.22071/gsj.2015.42659

Abstract
  Evaporites include wide range of chemical deposits, which are precipitated in surface or near surface, from the concentrated brine by evaporation. Diagenetic processes are important factors can effect on reservoir quality. The Oligo-Miocene Asmari reservoir comprise of siliciclastic and carbonate sequences ...  Read More

Original Research Paper
Sedimentary Facies and Sequence Stratigraphy of Qom Formation Deposits in NE Delijan,NW Central Iran

M Karavan; A Mahboubi; H Vaziri-Moghaddam; R Moussavi-Harami

Volume 24, Issue 94 , March 2015, Pages 229-236

https://doi.org/10.22071/gsj.2015.42663

Abstract
  The Oligocene Qom Formation deposits in NW Central Iran (NE Delijan) are widespread in NE-SW trend.Four members of the Qom Formation (unknown, a, b& c1) in the study area consist of mainly marly limestone, limestone, sandy limestone and a minor amounts of sandstone. It disconformablyoverliesthe Lower ...  Read More

Original Research Paper
Lithofacies and Depositional Environment of the Early Jurassic Ab-Haji Formation in Outcrop and Exploration Boreholes of Parvadeh Coal Mine, Tabas, East Central Iran

M.A Salehi; S.R Mousavi-Harami; A Mahboubi; B Rahimi

Volume 24, Issue 94 , March 2015, Pages 249-262

https://doi.org/10.22071/gsj.2015.42665

Abstract
  The Lower Jurassic Ab-Haji Formation consists of siliciclastic sediments, which are widely exposed in the Tabas Block. This formation varies in thickness from tens of meters to more than 500 m in northern Tabas Block. The Ab-Haji Formation with avearge thickness of 75 meters presents in the Tabas Coal ...  Read More

Original Research Paper
Sedimentary Environment, Diagenesis and Sequence Stratigraphy of Upper Sarvak Formation (Mishrif Equivalent) in Siri Oil Fields

M khanjani; S.R Moussavi-Harami; H Rahimpour-Bonab; M.R Kamali

Volume 24, Issue 94 , March 2015, Pages 263-274

https://doi.org/10.22071/gsj.2015.42666

Abstract
  The Albian - Turonian Sarvak Formation, the second major reservoir formation in south and southwest Iran is composed of mainly carbonate rocks. In this study, the upper part of Sarvak Formation in Siri Oil Fields was studied to determine facies, depositional environments, diagenetic processes and sequence ...  Read More

Original Research Paper
The Effect of Sea Level Change on Depositional Facies in Mozduran Formation, West of the Kopet-Dagh Basin

S.Z Pourheidar; A Mahboubi; M.H Mahmudy Gharaie; S.R Moussavi Harami

Volume 24, Issue 94 , March 2015, Pages 275-286

https://doi.org/10.22071/gsj.2015.42669

Abstract
  The Mozduran Formation in west of the Kopet-Dagh basin, NE Jajarm, is mainly composed of dolostone in top and base, and mudstone to grainstone limestones in the middle parts of Cheshme-Khan section. This formation in the Qezel-Tapeh2 well is composed of alternative limestone and shale layers. Based on ...  Read More

Original Research Paper
Mineralogy and Geochemistry of the Neoproterozoic Kahar Formation Mudrocks, Kahar Mountain, NW of Tehran

N Etemad-Saeed; M Hosseini-Barzi; M.H Adabi; A Sadeghi

Volume 24, Issue 94 , March 2015, Pages 287-299

https://doi.org/10.22071/gsj.2015.42729

Abstract
  The Kahar Formation at its type locality in the KaharMountain, 75 km NW of Tehran, consists of about 1000 m of siliciclastic rocks (mainly mudrocks). This study focuses on the mineralogical and geochemical composition of these mudrocks to identify possible source areas and their tectonic setting. The ...  Read More

Original Research Paper
Geochemical Characteristics of the Sarvak Formation in Izeh Zone, Zagros Region

E Asadi Mehmandosti; M.H Adabi

Volume 24, Issue 94 , March 2015, Pages 299-310

https://doi.org/10.22071/gsj.2015.42730

Abstract
  The Sarvak Formation from the Bangestan Group, Late Albian to Cenomanian in age is an important petroleum reservoir in Iran. 5 outcrop sections in the Izeh zone, including the BangestanMountain as a type section with 831.5 m thickness, the MangashtMountain with 426 m thickness, the PayunMountain with ...  Read More

Original Research Paper
Petrophysical Analysis and Prediction of Porosity Function in One of the Southwest Reservoirs of Iran

A Abbaszadeh shahri; R Hosseini; F Rezaei; K Mehdizadeh; N Panaei

Volume 24, Issue 94 , March 2015, Pages 311-316

https://doi.org/10.22071/gsj.2015.42731

Abstract
  Artificial Neural Network methods (ANN) are computational methods, which capable to predict a specific log or classify different data. Unlike the digital computers, which require the completely definite and distinguished rules, the ANN methods do not need a pure mathematical model; rather like the human ...  Read More

Original Research Paper
Geochemical Evaluation of Organic Matter of the Pabdeh and Gurpi Formations in Nosrat Oil Field, SE Persian Gulf, Using Rock-Eval VI and Gas Chromatography

M Sadeghi; M.R Kamali; R Ghavami Riabi; B Qorbani

Volume 24, Issue 94 , March 2015, Pages 317-326

https://doi.org/10.22071/gsj.2015.42732

Abstract
  In this study, rock samples from the pabdeh and Gurpi formations of well#NH-01 in the Nosrat Oil Field subjected to geochemical evaluation techniques using Rock-Eval pyrolysis, bitumen extraction, Column Chromatography and gas chromatography. The result of geochemical study indicates Kerogen type II ...  Read More

Original Research Paper
Geochemistry of the Upper Sarvak (Mishrif Member) Formation and the Diagenetic Processes Effects on the Reservoir Quality of this Member, Sirri E and D Oil Fields

A Ghorbani; M.H Adabi; S Sohrabi

Volume 24, Issue 94 , March 2015, Pages 327-238

https://doi.org/10.22071/gsj.2015.42733

Abstract
  The Sirri E (Esfand) and D (Dena) Oil Fields are located in the south of the Persian Gulf. The Upper Sarvak (Mishrif Member) Formation, late Cretaceous (Cenomanian-Turonian) in age, is underlain by the argillaceous limestone of Khatiyah and by the late Turonian unconformity overlain by the Laffan Shale ...  Read More