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
Study of Small Mammal Remains of Quaternary Deposits of Yafteh and Kani Mikaiel Caves and Paleoenvironmental Implications

N Hashemi; A.R Ashouri; M Aliabadian; M.H Mahmoudi Gharaie

Volume 24, Issue 95 , June 2015, Pages 3-12

http://dx.doi.org/10.22071/gsj.2015.42250

Abstract
  Paleozoology of Yafteh and Kani Mikaiel caves in center and northwest of Zagros Mountains led to the identification of small mammals' assemblage. Taxonomic determination revealed inclusion of four orders of small mammals including:  order Rodentia with families of Muridea, Cricetidae, Calomyscidae, ...  Read More

Original Research Paper
Palaeoenvironmental Study of the Gurpi Formation at Farhadabad Section (Northeast of Kabirkuh) based on Palynofacies and Organic Geochemistry Analysis

E Zarei; E Ghasemi-Nejad

Volume 24, Issue 95 , June 2015, Pages 13-22

http://dx.doi.org/10.22071/gsj.2015.42251

Abstract
  The Gurpi Formation at Farhadabad section in west of Darehshahr, was studied in detail for environmental changes and water–level fluctuations via using organic matter contents of the rock samples.  Depositional environment interpretation was done based on integration of evidences derived from ...  Read More

Original Research Paper
Introducing Pectinid Bivalve Neithea notabilis (Münster) from the Aptian Deposits of Baghin Area, West of Kerman, Iran

A.L Arab; M.R Vaziri

Volume 24, Issue 95 , June 2015, Pages 23-30

http://dx.doi.org/10.22071/gsj.2015.42252

Abstract
  A relatively thick sequence of Mid-Cretaceous (Aptian) strata exposed in Baghin area, west of Kerman, Iran. The strata comprise a diverse macro-fauna such as bivalves, echinoids, gastropods, corals and brachiopods. Among the bivalves, presence of a pectinid species, Neithea notabilis is relatively conspicuous. ...  Read More

Original Research Paper
Microfacies Analysis of the Asmari Formation at Gorg-Darreh Area, Kuh-e-Mish (in the Zagros Fold-Thrust Belt)

S.A Babazadeh; M Ghavidel-Syooki; H Ghasabi

Volume 24, Issue 95 , June 2015, Pages 31-38

http://dx.doi.org/10.22071/gsj.2015.42253

Abstract
  The Asmari Formation is well-exposed at Kuh-e-Mish, locating at Gorg-Darreh area (The Zagros fold-thrust belt). In this area, the true thickness of Asmari Formation is 480m. This formation was studied for its microfacies analysis in Gorg-Darreh area (kuh-e-Mish). In this study, seven microfacies was ...  Read More

Original Research Paper
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

http://dx.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

Original Research Paper
Biozonation and Paleoecology Surgah Formation at Ilam Dam Section, South Ilam

T Akbari; L Bakhshandeh

Volume 24, Issue 95 , June 2015, Pages 67-76

http://dx.doi.org/10.22071/gsj.2015.42255

Abstract
  Based on stratigraphic value of calcareous nannoplanktons in determing the age of sedimentary layers, they have been used for biostratigraphic studies of Surgah Formation in sadd Ilam (Ilam damp) section ,Kabir –Kuh of Ilam. This formation is composed mainly ot dark gray shales. In Type section ...  Read More

Original Research Paper
Litho-Biostratigraphy of Permian and Lower Teriassic Deposits in the Sibestan Section (Northwest Of Tehran)

N Haghighat; P Mansuri

Volume 24, Issue 95 , June 2015, Pages 45-54

http://dx.doi.org/10.22071/gsj.2015.42256

Abstract
  The Permian deposits in the Sibestan section located at 65 km. northwest of Tehran and consist of 3 formal Formations. In order from lower to upper: 1- Dorud Fm. consisting of 205 meters of siliciclastic deposits of early Permian age and according to the lithostratigraphy facies is divided into 10 rock ...  Read More

Original Research Paper
Introduction of Permian Calcareous Algae Dasycladacean and Gymnocodiacean Family in Pir-Eshagh Section, South of Jolfa: Reporting Tabasoporella from Northwest of Iran

M Sadeghi; K Rashidi; R Shabanian

Volume 24, Issue 95 , June 2015, Pages 55-66

http://dx.doi.org/10.22071/gsj.2015.42259

Abstract
  Succession of Permian system in Pir-Eshagh stratigraphic section has been mesured totally about 1400 m, which it's base consists mainly of Dorud formation with thickness of about 100 m which in turn has been overlain by Ruteh and Nesen formations with thickness of 1100 and 200 m respectively. Lower boundary ...  Read More

Original Research Paper
Definition of Carboniferous Deposits in the Stratigraphic Khames Section, Northeast of Khalkhal Based on Foraminifera

R Shabanian; N Ghanizadeh; M Mohammadi; N Roohi

Volume 24, Issue 95 , June 2015, Pages 77-84

http://dx.doi.org/10.22071/gsj.2015.42261

Abstract
  In this study, 60 samples have been studied from Carboniferous deposits of Khames stratigraphical section, 10 Km southeast of Khalkhal. The marine sequence of Khames stratigraphical section is about 163.5 m. thick and consists of gray to black Limestone and dolomitic limestone. The lower boundary of ...  Read More

Original Research Paper
Biozonation of the Gurpi Formatin in Banroushan Section (SW Ilam) based on Planktonic Foraminifera

L Bakhshandeh1; KH Khosro Tehrani; T Mohtat; S.H Vaziri; F Keshani

Volume 24, Issue 95 , June 2015, Pages 85-96

http://dx.doi.org/10.22071/gsj.2015.42267

Abstract
  The Gurpi Formation is located in the Zagros basin, SW Iran . This Formation in the Banroushan section, SW Ilam,consists of 225 m shale with interbeds of marl that has two formal Members including Seymareh (Lopha) and Emam Hassan . These Members are made up of limestone. The lower and upper boundaries ...  Read More

Original Research Paper
Environmental Parameters of Late Carboniferous (Bashkirian Stage) Coral Assemblage from the Sardar Formation (Carbiniferous), Zaladu Section, Ozbak-Kuh Mountains, East of Central Iran

M Badpa; K Khaksar; A Ashouri; M Khanehbad

Volume 24, Issue 95 , June 2015, Pages 97-106

http://dx.doi.org/10.22071/gsj.2015.42299

Abstract
  Rich assemblages of Carboniferous corals exist in the Zaladu stratigraphic section. After the identification of the corals, more than of 200 thin sections of coral fossils and microfacies were selected and studied for environmental parameters. This association belonging to Bashkirian age (the oldest ...  Read More

Original Research Paper
Calcareous Nannofossil Biostratigraphy of Pabdeh Formation at Gurpi Anticline

A Ahifar; A Kani; H Amiri Bakhtiar

Volume 24, Issue 95 , June 2015, Pages 107-120

http://dx.doi.org/10.22071/gsj.2015.42301

Abstract
  Pabdeh Formation has been investigated in three sections viz. the Type Section, Tang-e Hatti and the northern limb of Gurpi Anticline within the ZagrosSedimentaryBasin with emphasis on calcareous nannofossils. Study of microscope slides prepared from the 1508 collected samples resulted in determination ...  Read More

Original Research Paper
Palorbitolina lenticularis, An Index Taxon from Tethyan Basin and its Biometric Factors from the Kopeh-Dagh Basin, NE Iran

M Taherpour Khalil Abad; S.H Vaziri; A.R Ashouri

Volume 24, Issue 95 , June 2015, Pages 121-134

http://dx.doi.org/10.22071/gsj.2015.42302

Abstract
  Among the subfamily Orbitolininae, Palorbitolinalenticularis Blumenbach, 1805 is a common facies marker prevailed in shallow marine deposits of the Tethys during Late Barremian-Early Aptian time span. This speciesis a eurytopic taxon having the high ability of adaptation to wide range of environmental ...  Read More

Original Research Paper
Palynology and Palynofacies of Aitamir Formation in Zavin Section (KhorasanRazavi)

M Allameh; Z Sardar

Volume 24, Issue 95 , June 2015, Pages 135-144

http://dx.doi.org/10.22071/gsj.2015.42303

Abstract
  Aitamir Formation is one of the formations in sedimentary basins of Koppeh-Dagh in the north east of Iran. This formation has been made of a sandstone part in the lower and a shale part in the upper. Both the part are Glauconitic and often seen in Olive-green color. This research is on a section of a ...  Read More

Original Research Paper
Thalassinoides-Phycodes Compound Trace Fossil from Albian–Cenomanian Strata of Gazak, South Kerman, SE Iran

N Abbassi; M Parvanehnezhad Shirazi; M.A Hosseinzadeh

Volume 24, Issue 95 , June 2015, Pages 145-152

http://dx.doi.org/10.22071/gsj.2015.42304

Abstract
  Albian–Cenomanian siliciclastic-carbonate sediments of northwest Rayen in south Kerman, southeast Iran (526 m) are classifiable to three informal units. Unit one includes conglomerates, sandstones and siltstones with limestone and marl intercalations. Unit two is composed of Orbitolina bearing ...  Read More

Original Research Paper
The Magnetic Characteristics of Sandstone Rocks of Shemshak Group in Response to Application of Geomagnetic Methods

Z Hamidi Beheshti; H Alimohammadian; M Talebian; A Shahidi; M.R Ghassemi

Volume 24, Issue 95 , June 2015, Pages 153-164

http://dx.doi.org/10.22071/gsj.2015.42306

Abstract
  Geomagnetism is one of the most applied techniques of geophysics in geology. Today, this method is applied in different disciplines such as Magnetic fabric of rocks, palaeomagnetism and environmental magnetism. Each of these magnetic methods is suitable for a particular lithology. Therefore, the potential ...  Read More

Original Research Paper
Lower Carboniferous Holothurian Sclerites from the Banarizeh Section, Southeast Isfahan

M Nouredini; M Yazdi; A Ashouri; S Rahmati

Volume 24, Issue 95 , June 2015, Pages 165-174

http://dx.doi.org/10.22071/gsj.2015.42308

Abstract
  The Lower Carboniferous deposits (Shishtu II Formation) is exposed in the Banarizeh section, Southeastern Isfahan, Central Iran. The Shishtu II Formation is characterized by continental to shallow marine deposits, where it unconformably overlies the Alluvial deposits and is unconformably overlain by ...  Read More

Original Research Paper
An Investigation of The Properties of Dolomicrites in The Upper Dalan Units in a Field in The Persian Gulf

S Parham; M.R Kamali

Volume 24, Issue 95 , June 2015, Pages 175-184

http://dx.doi.org/10.22071/gsj.2015.42309

Abstract
  The Dalan upper member is a gas reservoir in the Persian Gulf, which is important because of gas and condensates production. This unit has been affected by dolomitization. Dolomicrites is a type of dolomites identified in the studied interval. This investigation concentrates on dolomicrites from the ...  Read More

Original Research Paper
Microfacies, Sedimentary Environment, Sequence Stratigraphy and Strontium Dating of the Dashtak Formation in the Persian Gulf, Fars and Izeh Regions

M Hajian Barzi; S.M Aleali; D Falah Kheyrkhah; M Falah Kheyrkhah

Volume 24, Issue 95 , June 2015, Pages 185-198

http://dx.doi.org/10.22071/gsj.2015.42310

Abstract
  The Middle- Late Triassic Dashtak Formation acts as one of the best seal for giant gas reservoirs entrapped within the Dehram group inthe Southwest of Iran and the northern Persian Gulf because ofthick anhydrite deposits. The facies analysis of Dashtak Formation led to recognition of 14 microfacies, ...  Read More

Original Research Paper
Rock Typing using Hydraulic Flow Units and Clustering Methods, A Case Study: Bangestan Reservoir in Mansuri Oil Field

Y Noorian; S.R Moussavi Harami; A Kadkhodaie; A Kadkhodaie; S.A.A Abdolahi Mousavi

Volume 24, Issue 95 , June 2015, Pages 199-208

http://dx.doi.org/10.22071/gsj.2015.42323

Abstract
  Rock typing by different techniques is useful to interpret the zoning of reservoir. As the hydraulic flow unit has an effective connectionbetween the geological and petrophysical conditions, recognition of distribution quality of flow units in a reservoir can be useful for separation of reservoir into ...  Read More

Original Research Paper
Ichnofacies Analysis of Kermanshah Radiolarites for the Review of the Sedimentary Environment

A Abdi; M.H Mahmudy Gharaie; M Kariminia; A Karimi Bavandpur; M Mohajjel

Volume 24, Issue 95 , June 2015, Pages 209-116

http://dx.doi.org/10.22071/gsj.2015.42324

Abstract
  In Kermanshah Radiolarites, Jurassic to late Cretaceous in age, three sedimentary facies including tempestite, pelagic mudstone, and radiolarian wackestone-packstone were identified. Each of these sedimentary facies accompanies by ichnofacies, which reveal the depth and energy of the environment. In ...  Read More

Original Research Paper
Barrier Island Complex in Southeast of Caspian Sea (North of Behshahr)

SH Erfan; M.A Hamedi

Volume 24, Issue 95 , June 2015, Pages 217-230

http://dx.doi.org/10.22071/gsj.2015.42325

Abstract
  What referred as the MiyankallehPeninsula and the GorganGulf in the southeast of Caspian Sea is in fact a typical barrier island complex consisting of following major environments: 1) open sea, 2) MiyankallehBarrierIsland, and 3) Gorgan Lagoon. The major sub environments of this barrier complex are beach ...  Read More

Original Research Paper
Identification of Clay Minerals Using Cation Exchange Capacity in the Early Cretaceous Shurijeh Sandstone Reservoir , Gonbadli Field, East Kopet Dagh Basin, North East Iran

M.A Sarparandeh; B Mehrgini; A Mollajan; F Sahabi; G.H Norouzi; G Jozanikohan

Volume 24, Issue 95 , June 2015, Pages 231-238

http://dx.doi.org/10.22071/gsj.2015.42327

Abstract
  In evaluating the quality of the reservoir sandstone facies, clay usually has significant effect in reducing reservoir effective porosity, permeability as well as calculation accuracy of formation fluids saturation. There are several methods for identifying and measuring the amount of clay. In sandstone ...  Read More

Original Research Paper
Hydrogeochemistry and Brine Evolution of Urmia Hyper Saline Lake, Northwest of Iran

j Darvishi Khatouni; R Lak; A Mohammadi

Volume 24, Issue 95 , June 2015, Pages 239-252

http://dx.doi.org/10.22071/gsj.2015.42334

Abstract
  The Lake Urmia is the greatest hyper saline Lake in the world. This lake, located in Azerbaijan area, Northwest of Iran is an intra-continental sedimentary basin. Its area is about 6000 km2 with an average water depth of 6 meters. Hydrochemistry of the water resources of the basin showed mainly chloridic ...  Read More

Original Research Paper
Depositional Environment, Diagenesis and Sequence Stratigraphy of Ilam Formation in Siri Alvand Oilfield

M Khanjani; S.R Moussavi-Harami; H Rahimpour-Bonab; M.R Kamali; A Chehrazi

Volume 24, Issue 95 , June 2015, Pages 253-262

http://dx.doi.org/10.22071/gsj.2015.42336

Abstract
  The Santonian – CampanianIlam Formation is one of the major reservoirs of Bangestan Group in the Zagros petroliferous basin. In the Siri Alvand Oilfield located in the Persian Gulf this formation with a total thickness of 130 m, consists of limestone. In this study, microfacies, depositional environments, ...  Read More

Original Research Paper
Investigation of the Late Permian Sea-Level Fluctuations based on the Facies Evolutions; An Example from the Upper Dalan Member in the South Pars Gas Field

L Amirbahador; H Rahimpour-Bonab; M Arian

Volume 24, Issue 95 , June 2015, Pages 263-275

http://dx.doi.org/10.22071/gsj.2015.42338

Abstract
  This study is focused on the microfacies and facies associations in the 540 meter-thick interval of the Late Permian ‌Upper Dalan reservoirs in the South Pars Gas Field using the petrographic studies, image analysis techniques and quantitative analysis of the constituting components. The petrographic ...  Read More

Original Research Paper
Small Pelecypoda of Qom Formation (Early Miocene) in west of Ashtian, Central Iran

I Maghfouri Moghaddam; S Yasboulaghi

Volume 24, Issue 95 , June 2015, Pages 275-280

http://dx.doi.org/10.22071/gsj.2015.42367

Abstract
  The Qom Formation is well exposed in Ashtian area (Central Iran). Pelecypoda of the formation in a stratigraphic section of west of Ashtian were examined in terms of paleontological and paleoecological criteria. In this section, the Qom Formation overlies the Lower Red Formation with a gradual contact ...  Read More

Original Research Paper
Palaeoecology of Late Triassic Deposits, in Dizlu Section North of Isfahan, Central Iran based on Scleractinian Corals

M Mannani; M Yazdi

Volume 24, Issue 95 , June 2015, Pages 281-290

http://dx.doi.org/10.22071/gsj.2015.42368

Abstract
  The Nayband Formation in North of Isfahan includesfive Members: 1- Gelkan Member (marl and sandstone), 2- Bidestan Member (sandstone and reefal limestone), 3- Howz- e- Sheikh Member (marl and sandstone), 4- Howz- e- Khan Member (marl and reefal Limestone) and 5- Qadir Member (marl and sandstone). The ...  Read More