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)
Active Tectonics of Great Karoun River Basin

A Khodabakhshnezhad; M Pourkermani; M Arian; A.A Matkan; A Charchi

Volume 24, Issue 95 , June 2015, , Pages 13-28

https://doi.org/10.22071/gsj.2015.41779

Abstract
  Geomorphic indices of active tectonics are useful tools to analyze the influence of active tectonics in an area. These indices have the advantage of being calculated using ArcGIS and RS (Remote Sensing) packages over large areas as a reconnaissance tool to identify geomorphic anomalies possibly related ...  Read More

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

https://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

Dadenjan Salt Diapir: Evidence for Pre-Orogenic Activity, Rising Mechanism and Subsequent Influences on the Geometrical Adjustments of the Adjacent Structures (SW Shiraz, Iran)

J Hassanpour; S.A Alavi; S Jahani; M.R Ghassemi

Volume 24, Issue 95 , June 2015, , Pages 101-114

https://doi.org/10.22071/gsj.2015.41997

Abstract
  Located in the Fars region of Simply Folded Belt of the Zagros orogen, the Dadenjan salt diapir is exposed in the core, with a tendency toward the southwestern flank of the salt-cored Dadenjan anticline. The diapir is also currently situated within a transtension zone between overlapping segments of ...  Read More

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

https://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

Geometric Analysis of Tukak and Kamarun Anticlines in Izeh Zone, Zagros

F Baratpour; M Arian; A S

Volume 24, Issue 95 , June 2015, , Pages 191-200

https://doi.org/10.22071/gsj.2015.42046

Abstract
  Situated 15 km NW of the Izeh city, Tukak and Kamarun anticlines are located in northwest of the Izeh zone in the Zagros fold-and-thrust belt. The Tukak anticline measures about 17 km length by 3.3 km width on the Asmari formation outcrop, while the Kamarun anticline shows a maximum length and width ...  Read More

Geomorphic Signatures of Active Tectonics in the Jarahi-Hendijan Drainage Basin (Marun-Zohreh Rivers) in South-West Iran

J Ehsani; M Arian; M Ghorashi

Volume 24, Issue 95 , June 2015, , Pages 211-219

https://doi.org/10.22071/gsj.2015.42047

Abstract
  This paper aims at evaluating relative active tectonics in the Jarahi-Hendijan drainage basin based on geomorphic indices. Indices used include: stream length-gradient index (SL), drainage basin asymmetry (Af), hypsometric integral (Hi), ratio of valley-floor width to valley height (Vf), index of drainage ...  Read More

Analysis of Neo-Tectonic Stress State of Zagros Orogeny and Separation of Stress Regimes by Earthquake Data

B Zamani G; N Kiyanizadeh; H Parhizgari

Volume 24, Issue 95 , June 2015, , Pages 219-230

https://doi.org/10.22071/gsj.2015.42065

Abstract
  In this research, the stress state in the Zagros fold and thrust belt is studied using inversion method analysis of focal mechanisms of earthquakes related to active faults of this region. Geological, structural and seismic differences throughout the Zagros fold and thrust belt led us to divide it into ...  Read More

Tectonostratigraphic Units of Southeastern Part of the Sanandaj-Sirjan Zone

M.R Sheikholeslami

Volume 24, Issue 95 , June 2015, , Pages 243-253

https://doi.org/10.22071/gsj.2015.42068

Abstract
  Different characteristics of the rock units and their stratigraphic relationships, as well as magmatic and metamorphic activities in the southern part of the Sanandaj-Sirjan Zone resulted in identification of different tectono-stratigraphic units based on their tectonic environments reflecting the opening ...  Read More

Tectonic Stress Variations in the Zagros Using Inversion of Earthquake Focal Mechanisms

SH Pourbeyranvand; M Tatar

Volume 24, Issue 1393 , March 2015, , Pages 115-122

https://doi.org/10.22071/gsj.2015.43385

Abstract
  Having knowledge of stress variations in the Zagros region, southwest Iran is necessary to study the deformation resulting from oblique collision between the Eurasian & the Arabian plates and to obtain insight into the complicated tectonics of the region. In this study, earthquakes focal mechanism ...  Read More

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

Offering a Kinematic Model for Lar Fault-Related Fold and Its Structural Relation with 1960 Lar Earthquake, SE Zagros

K Hashemi; B Oveisi; A Saeedi

Volume 24, Issue 93 , December 2014, , Pages 9-18

https://doi.org/10.22071/gsj.2014.43442

Abstract
  The Zagros fold-thrust belt is a young orogenic belt which is characterized by extensive folding in its sedimentary cover, and abundance of earthquakes in which, intends to inner parts of Zagros like a band. The Lar anticline is one of the active folds in this belt which is situated in the coastal Fars ...  Read More

Economic Geology and Geochemistry of the Sedimentary Phosphate of Reza-Abad, Southeast of Kazerun

S.A Samaie; F Malekghasemi; V Simmonds

Volume 24, Issue 93 , December 2014, , Pages 127-132

https://doi.org/10.22071/gsj.2014.43553

Abstract
  The area is located in 25 Km southwest of kazerun city in the Zagros folded zone. The Phosphate beds have been deposited in the core of the Sarbalesh-Baznak anticline with NW-SE trend. Stratigraphically, the Gurpi, Pabdeh, Asmari, Gachsaran, and Bakhtiyari Formations are outcropped in this area. Petrographic ...  Read More

Biozonation and Abundance of Foraminifera in the Type Section of Ilam Formation

L Bakhshandeh; T Mohtat; H Bakhshandeh; S Senmari

Volume 23, Issue 92 , September 2014, , Pages 75-84

https://doi.org/10.22071/gsj.2014.43654

Abstract
  The Ilam Formation, cropping out in the ZagrosMountain, consists of 195m of cream-colored limestones in the type section, south of Ilam city. This formation has conformable and continuous contacts with the lower Surgah and the upper Gurpi formations. In the present study, 35 foraminifera planktonic species ...  Read More

Evaluation of Geomechanical Properties of the Asmari Formation (Zagros, W Shiraz) with Incorporation of Laboratory Tests and Numerical Modeling

E Hajizadeh Naddaf; B Oveisi; M.R Ghasemi; M.J Bolurchi

Volume 23, Issue 91 , June 2014, , Pages 57-62

https://doi.org/10.22071/gsj.2014.43770

Abstract
  The analytical models in rock mechanics represent suitable analysis of deformation and failure conditions of the samples bearing simple geometry and mechanical properties. Nowadays different methods of numerical modeling, like finite difference method (FDM), are used for analysis of continuous, non- ...  Read More

Guri Limestone (Early Miocene) Oysters in North of Bandar-e-Abbas, Zade Mahmoud Area, Southeast of Zagros Basin

F Hosseinipour; M.J Hassani; M Dastanpour

Volume 23, Issue 91 , June 2014, , Pages 101-110

https://doi.org/10.22071/gsj.2014.43780

Abstract
  The Guri limestone member of the Mishan formation in SE of Zagros Basin (N of Bandar-e-Abbas) consists of the thick bedded limestone bearing oyster shells. Seven species of Ostreidae and Gryphaeidae belonging to four genera of Crassostrea, Cubitostrea, Ostrea and Hyotissa were identified as: Cubitostrea ...  Read More

Systematic Analysis of Fractures in Garau Formation Within the Kabir-Kuh Anticline, Effects of the Arabian Plate Rotation on Fracture Arrays

A Pireh; S.A Alavi; M.R Ghassemi; A Shaban

Volume 23, Issue 90 , March 2014, , Pages 105-116

https://doi.org/10.22071/gsj.2014.43968

Abstract
  A major part of source rocks in the Zagros Fold Belt were deposited during Neocomian time; the lowermost part of the Garau Formation has charged the Early Cretaceous Petroleum System of the Lurestan province. These source rocks are widely distributed in the Lurestan Depression and in the NW part of the ...  Read More

Investigation of Effective's Parameters on Mass Movement by Using of Landslide Hazard Zonation Maps (Case Study: Northern's Karoon Basin)

K Shirani; A Seif; A Nasr

Volume 23, Issue 89 , December 2013, , Pages 3-10

https://doi.org/10.22071/gsj.2013.44013

Abstract
  Regarding their nature and their variety, and hazards that landslides have for humans life and properties, landslides have always been the center of attention and study by scientist from different fields of study such as: geology, engineering geology, geomorphologies, these phenomena are a complex activity ...  Read More

Microbiostratigraphic Study of the Gurpi Formation at Kuh-e Khaneh Kat (East of Shiraz)

M. R. Esmaeilbeig

Volume 21, Issue 84 , December 2012, , Pages 31-36

https://doi.org/10.22071/gsj.2012.53953

Abstract
  The study of planktonic foraminifera of the Gurpi Formation at Kuh-e Khane Kat (east of Shiraz) led me to find standard biozones from Early Santonian to Middle Campaninan. Four biozones were determined: biozones I (Dicarinella asymetrica zone) and II (Rosita fornicata zone) belong to Early and Late Santonian. ...  Read More

Crustacean Microcoprolites from the Upper Jurassic – Lower Cretaceous of the Northern East and East Shiraz (Fars Province)

F. Rostami; V. Ahmadi

Volume 22, Issue 86 , December 2012, , Pages 131-134

https://doi.org/10.22071/gsj.2012.54077

Abstract
  In this research two stratigraphic sections of Lower Cretaceouse to Upper Jurassic sedimentary (Surmeh and Fahliyan Formation in Folded-Zagros Zone) have been selected. Based on microfacies studies (in 400 thin-sections) three species of Ichnofossils microcoprolites from Crustaceans related as the Follow: ...  Read More

Petroleum System Modeling of Lower Paleozoic in Persian Gulf Basin

S. Salehi Rad; S. Sherkati; F. Taati Qoaryem; M. H. Noroozi

Volume 20, Issue 79 , January 2011, , Pages 21-30

https://doi.org/10.22071/gsj.2011.54989

Abstract
  The Paleozoic sediments are noteworthy for many of petroleum geologists to research within Arabian Plate during last decades. Significant values of oil and gas was generated from the Silurian source rock in this area. This source rock has been modeled by commercial software's (PetroMod and Genex) in ...  Read More

The Application of Fractures in Structural Interpretation of an Anticline, a Case Study: Chenareh Anticline, SW Iran

H. Hajialibeigi; S. A. Alavi; J. Eftekharnezhad; M. Mokhtari; M. H. Adabi

Volume 19, Issue 74 , February 2010, , Pages 33-44

https://doi.org/10.22071/gsj.2010.57318

Abstract
  The Chenareh Anticline is located between Lurestan Zone (in north) and Dezful Embayment (in south) in the Zagros Folded-Thrust Belt. This anticline is documented and interpreted to constrain the kinematic evolution of a fold. The development of fractures is confined to the Asmari Formation. In the study ...  Read More

Moho Depth Variations and vp/vs Ratio in Northwest of Zagros (Kermanshah Region) using Teleseismic Receiver Functions

N. Afsari; F. Sodoudi; M. R. Gheitanchi; A. Kaviani

Volume 19, Issue 74 , February 2010, , Pages 45-50

https://doi.org/10.22071/gsj.2010.57319

Abstract
  Characterization of the detailed structure of the crust and upper mantel is an important continuing goal of geophysical studies. Teleseismic body waveforms have been used to infer crust and upper mantel structure. In this study we use teleseismic receiver function method to determine the crustal thickness ...  Read More

Application of Structural Attributes in Petroleum Exploration and Development of an Interference Belt

A. Arzani; S.A. Alavi; M. Pooladzadeh; A.R. Golalzadeh; Z. Mehdipoor

Volume 19, Issue 74 , February 2010, , Pages 51-56

https://doi.org/10.22071/gsj.2010.57320

Abstract
  The area that will be discussed in this study is located between Zagros and Arabian structural zones in Iran in which full fold 3D seismic data has been acquired and interpreted using sophisticated techniques. This paper covers the role of structural sensitive seismic attributes including first and Second ...  Read More

Experimental Simulation of Collision Zones and Formation of Fold-Thrust belts in Method of Analogue Modeling

S. Khederzadeh; A. Bahrodi

Volume 20, Issue 77 , January 2010, , Pages 17-24

https://doi.org/10.22071/gsj.2010.55301

Abstract
  Sand box models are in order to investigation of circumstance of deformation create in orogenic event. Progressive rigid indenter is as non-plastic continental crust that moves from one side to ward sand hanging wall that is indication plastic crust. The sand primery thickness and angle of rigid indenter ...  Read More

Introducing Rudist of Tarbur Formation, Semirum and Khorramabad Sections

I. Maghfouri Moghaddam

Volume 20, Issue 77 , January 2010, , Pages 63-66

https://doi.org/10.22071/gsj.2010.55336

Abstract
  Rudists of the Tarbur Formation, in 7 km southwest of Semirum and 10 km north of Khorramabad, have been studied. Paleontological studies indicate that the age of the Tarbur Formation in both sections is Masstrichtian, and has a rich macrofossil fauna of rudist. The important types of rudist include Radiolites, ...  Read More