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 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
The Paleostress Analysis of Eocene Volcanic and Sedimentary Rocks in North Part of Qazvin City

N Bayeste Hasty; A Saidi; A Shahidi

Volume 24, Issue 1393 , March 2015, Pages 3-12


  In order to investigate the structural evolution and paleo-stress analysis of the study area, North of Qazvin, geometry and kinematics of faults in are measured. Following these measurements, the stress tensor and variation of stress direction in diffeerent rock units are calculated. For this purpose, ...  Read More

Original Research Paper
Investigation of M8 Algorithm Prediction Performance in West of Iranian Plateau(23/10/2011, Mw = 7.3)

M Mojarab; H Memarian; M Zare; V Kossobokov

Volume 24, Issue 1393 , March 2015, Pages 13-20


  The earthquake of 23 October 2011, near the Turkish city of Van, had 600 victims and caused great damages in Van, Argis, Moradiyeh and Caldiran. Review of 20th century and historical earthquakes in eastern Anatolian plate and west of Iranian plateau confirmed the activity of this area with the notable ...  Read More

Original Research Paper
Assessment of Quantitative Indices of Active Tectonics and Quantification of Relative Tectonic Activity at Mordaq-Chai Basin in South of Sahand Volcano; Northwest of Iran

M Sarhangi; A Solgi; A Sorbi; B Fayyazi; Sh Soltani

Volume 24, Issue 1393 , March 2015, Pages 21-28


  In this paper, the relative active tectonics of the Mordaq-Chai basin has been discussed according to the geomorphic indices using Global Mapper software. The calculated indices are as follows: stream length–gradient index (SL), hypsometric integral (Hi), ratio of valley floor width to valley height ...  Read More

Original Research Paper
Sustainability Assessment Review of Application of Microtremors for Detecting and Studying Hydrocarbon Reservoirs

H Gerivani; N Hafezi Moghaddas; E Haghshenas; E Abdollahi Fard

Volume 24, Issue 1393 , March 2015, Pages 29-40


  Notwithstanding geological and geophysical surveys and studies for hydrocarbon reservoir detection cost very much, those have lots of uncertainties. Then, engineers and scientists try to find and use new methods. Recently, some studies have suggested using ambient noise as a tool for hydrocarbon reservoir ...  Read More

Original Research Paper
Neotectonic Analysis of Mosha-North Tehran Fault Zone, Based on Morphotectonic Features, Central Alborz, Northern Iran

N Bagha; M Ghorashi; M Arian; M Pourkermani; A Solgi

Volume 24, Issue 1393 , March 2015, Pages 41-52


  Structural development, caused by active tectonics leads to deformation of morphology features. The Mosha-North Tehran fault zone, located in south edge of the Central Alborz consists of significant tectonic structures. Hence, study on morphotectonic signs is a proper method for evaluation of relative ...  Read More

Original Research Paper
DEM-based Identification of Knick Zones in Rivers of Khuzestan Province

R Khavari

Volume 24, Issue 1393 , March 2015, Pages 53-62


  Stream gradients of rivers bedrock in the Khuzestan province were calculated, using GIS and 50-m digital elevation models to discuss the distribution of knick zones. Gradients were classified into local and regional types based on the measurement lengths of stream gradients for 474 rivers having at least ...  Read More

Original Research Paper
Assessment of Shear Strain Variation along Koch Fault Zone Based on Study of Foliation

F Porghiasian; E Gholami; M.M Khatib

Volume 24, Issue 1393 , March 2015, Pages 63-68


  In this study, value of shear strain for the Koch fault zone was determined based on the angle of foliations with the edge of the Koch fault zone. The Koch fault zone with N-S trend is located in northeast of Birjand, at the end northwest of the Sistan structural zone. In the Koch fault zone shear strain(γ) ...  Read More

Original Research Paper
Age Dating of Ahwaz Fault Activities and Karoun River Displacement by Thermal Luminescence and Geotechnical Studies and Recording of New-Found Faults During Performance of Ahwaz Urban Railway Project

B Esmaeili; M Almasian; B Samani; A Samani

Volume 24, Issue 1393 , March 2015, Pages 69-79


  Ahwaz city, the center of the Khuzestan province, is located in southwest of Iran. The four main geological phenomena of this area are Ahwaz Fault, Ahwaz Anticline, Aghajari Formation, and Quaternary Alluvium and Eluvium Deposits. The Ahwaz Urban Railway Project and its related comprehensive geological ...  Read More

Original Research Paper
Microstructural Analysis of the Aghdarband Erosional Window Using Deformational Characteristics of Calcite

M Ramazani; M.R Ghassemi

Volume 24, Issue 1393 , March 2015, Pages 79-87


  The erosional window of Aghdarband, located in NE Iran and SE of Mashhad is a unique place to study of the Eo-Cimmerian event. This event (Late Triassic-Middle Jurassic) resulted from closure of the PaleotethysOcean and collision between the Iran and Turan plates. In this study, we have tried to analyze ...  Read More

Original Research Paper
Determining the Deformation Condition of the Mosha Fault Using Microstructure and Fluid Inclusion Data

M Ehteshami-Moinabadi; A Yassaghi

Volume 24, Issue 1393 , March 2015, Pages 87-97


  The assessment of deformation condition of the Mosha Fault during Middle-Late Miocene carried out using microstructure and thermometry of fluid inclusions within calcite veins in the fault zone. Based on intra-crystalline deformation of quartz grains, calcite twin, and thermometry of primary fluid inclusions ...  Read More

Original Research Paper
Modeling with Markov Chains Methodology, Case Study: Lithofacies in a Hydrocarbon Reservoir, SW Iran

H Nikoogoftar; A Bahroodi; B Tokhmchi; G.H Norouzi; B Mehrgini

Volume 24, Issue 1393 , March 2015, Pages 97-103


  Identifying and interpreting subsurface heterogeneities, especially Litofacies, plays definitely an important role in assessing and managing hydrocarbon resources. Variety of methods have been developed in order to model discrete features of hydrocarbon reservoirs, as Litofacies, which the majority of ...  Read More

Original Research Paper
Kinematic Analysis of Fault Structures in Eghlid Area, Margin of High Zagros

R. Arfania

Volume 24, Issue 1393 , March 2015, Pages 103-114


  The study area, located in the east of Eghlid town, between the northeast of the Abadeh Fault and southwest of the Zagros Main Fault, consists of the highly deformed rocks, which have been emerging clearly in tectonic crashed zone. Kinematic analysis carried out for determining the paleostress directions ...  Read More

Original Research Paper
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


  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

Original Research Paper
The Movement Potential Evaluation of the Mosha Fault (from the West of Firoozkuh to the Shahrestanak)

S Bahiraee; M Arian; M Qorashi; A Solgi

Volume 24, Issue 1393 , March 2015, Pages 123-126


  The Mosha fault is the most important fault structures in the south of Central Alborz. According to the activity of this fault, confirmation of the morphological evidences, and large historical earthquakes occurred by its activity, also proximity to Tehran metropolitan, the study of this area is very ...  Read More

Original Research Paper
Investigation of Precursory Property of Fractal Dimensions before the Baladeh-Kojour Earthquake, Central Alborz

M.S Mirabedini; M Agh-Atabai

Volume 24, Issue 1393 , March 2015, Pages 127-132


  In this research, to investigate seismic pattern and precursory properties of fractal dimensions, spatial distribution and temporal variations of correlation dimensions of epicentral, De, and temporal distribution of earthquakes, Dt, before the Baladeh-Kojour earthquake have been studied. The May 28th, ...  Read More

Original Research Paper
Investigation of Seismotectonics of Eastern South Caspian Basin Using Earthquakes Focal Mechanism and Geomorphological Investigations

M Nemati; J Hollingsworth; M.R Ghassemi

Volume 24, Issue 1393 , March 2015, Pages 133-140


  Our research focuses on the seismotectonics of the north of Eastern Alborz and southeast of the Caspian Sea. Eastern part of the Caspian fault, and seismological active plain situated in north of the area have been studied. The seismological data of microearthquakes (ML>4.5) recorded by the local ...  Read More

Original Research Paper
Importance of Features Selection in Application of Pattern Recognition in Estimating the Depth of Anticline Using Gravity Data

M.E Hekmatian; V Ebrahimzadeh Ardestani; M.A Riahi; A Memar Koucheh Bagh; J Amini

Volume 24, Issue 1393 , March 2015, Pages 141-148


  Pattern recognition algorithms especially neural network in geophysical interpretations and other Earth sciences have been used since some years ago. In neural network and other pattern recognition algorithms like support vector classifier (SVC) that the latter method is used in this research, by using ...  Read More

Original Research Paper
The Geometric Analysis of the Fault-Related Folding, A Case Study: Kaseh Mast Anticline, the South of the Lurestan Zone

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

Volume 24, Issue 1393 , March 2015, Pages 149-164


  The Kaseh Mast anticline located in the south of the Lurestan zone, is one of the small-scale anticlines in the Lurestan (in north) and the Dezful Embayment (in south) zones in the Zagros fold-thrust belt. This anticline and the adjacent anticlines are affected by the Balarud blind thrust fault zone, ...  Read More

Original Research Paper
Geometric-Kinematic Analysis of Folding in Chelounak Area (NW Birjand (

Y Jalili; M.M Khatib; E Gholami; M.R Ghassemi

Volume 24, Issue 1393 , March 2015, Pages 163-174


  The Chelounak area in northwest of Birjand located in the Sistan suture zone extremity with middle-upper Eocene sedimentary and pyroclastic rocks, folded with different axes and exposed between the Chahak-mosavieh and Mohammadieh-Hessarsangi faults. These folds have a dominant characteristic of the dispersion ...  Read More

Original Research Paper
Set Back Zone on Dip Slip Active Fault; A Case Study: The Pishva Fault in South Tehran

D Iranbodi; M Zare

Volume 24, Issue 1393 , March 2015, Pages 175-180


  The south of Tehran lies in vicinity of the active faults such as Pishva, Kahrizak and Eyvan-E Key and in the case of re-rupturing of these faults a serious disaster, perhaps financial and life losses may be occurred. In IBC (International Building Code) formula (Darlene & Batatian, 2002) dip, displacement ...  Read More

Original Research Paper
Deformation Partitioning in Respons to Inclined Transpression Collision of Arabian Plate with West Alborz- Azarbayjan Block, The Khoy Shear Zone

H Haji Hosseinlou; A Solgi; M Mohajjel; M Pourkermani

Volume 24, Issue 1393 , March 2015, Pages 181-196


  The Khoy shear zone (KSZ) is exposed 130 Km north of Uremia and 650 km west of Tehran. Structural analysis in the Khoy Shear Zone (KSZ) indicated that they consist of NW-SE oriented various metamorphic rocks. They contain NW-SE trending moderate to steeply dipping mylonitic foliation to the NE. Stretching ...  Read More

Influence of North Kopeh Dagh Oblique-slip Fault Zone on the en Echelon Arrangement of the Nader Anticline Culminations in the Kopeh Dagh Fold- Thrust Belt

B Derikvand; A Yassaghi

Volume 24, Issue 1393 , March 2015, Pages 197-208


  The folding style analysis is one of the initial investigations on hydrocarbon reservoirs anticlines. Nader Anticline is located in the western part of the Eastern Kopeh Dagh zone and on hanging wall of the North Kopeh Dagh Reverse Fault. The structural analysis of the anticline is carried out along ...  Read More

Original Research Paper
Studying 2003 Bam Post-Seismic Deformation Field Based on the Persistent Scatterer Radar Interferometry Technique (StaMPS)

S Shokrzade; B Voosoghi; M Amighpey

Volume 24, Issue 1393 , March 2015, Pages 209-216


  In this paper, the Bam post-seismic annual deformations in period from 2004 to 2010 have been obtained using synthetic aperture radar interferometry. The time series of deformations have been constructed using Persistent Scatterer Radar Interferometry technique. When displacements rate in the area are ...  Read More

Original Research Paper
Structural Study of Khaje Salt Diaper in the NE of Tabriz, Research Possibility of Gas Storage Potential and Analitycal Modeling of Diapirism

B Zamani; M Jalilpour; M Moayyed; M Faridi

Volume 24, Issue 1393 , March 2015, Pages 217-226


  The Study area is located in 15km Northeast of Tabriz in East-Azarbaidjan province. The rock units in the study area are limited and consist of different members of the Upper red formation (Miocene). Salt bed (Miocene) that diapired is related to the base of the mentioned formation. Due to the rising ...  Read More

Original Research Paper
Morphotectonic Markers and Active Faulting Research In Hashtgerd New Town, West Of Karaj

S Alimardan; Sh Solaymani Azad; M Ghorashi; M.R Ghorashi; B Oveisi; A Hatami

Volume 24, Issue 1393 , March 2015, Pages 227-234


  Due to urban population growth in recent decades and the need for decentralization of cities with limited facilities and increasing marginalization in the larger cities, construction of new cities around large towns has been considered by decision makers to develop a plan to create new cities around ...  Read More

Original Research Paper
Recent Crustal Deformation in SW-Zagros, Iran, Controlled by Syncline Core Extrusion

A Salehpour; B Oveisi; M.R Ghassemi

Volume 24, Issue 1393 , March 2015, Pages 235-244


  In thin-skinned fold-thrust belts, the style of deformation is critically depends not only on the resistance to sliding along basal detachment, but also on the presence of intermediate decollement levels or/and ductile units within the wedge. In ZFTB the incompetent units known as detachment levels like ...  Read More

Original Research Paper
Temporal Distribution Pattern of the Earthquakes in the SE Zagros

M Agh-Atabai

Volume 24, Issue 1393 , March 2015, Pages 245-254


  In this paper, the properties of temporal distribution of earthquakes in southeast Zagros were studied using multifractal methods. To describe the multifractal characteristics of the occurrence time of events, the generalized correlation dimensions Dq and the singularity spectrum f(αq) were calculated ...  Read More

Original Research Paper
Degradation Modeling of Salmas Earthquake (1930) Fault Scarp, NW Iran

N Saboor; M.R Ghassemi; M Eskandari; A Nazari F; B Oveisi

Volume 24, Issue 1393 , March 2015, Pages 255-262


  Erosion agents diffuse the scarps created by the earthquakes, are and their primary sharp shapes are gentled. This process is accomplished with the definite rate, which is accounted with the diffusion equation. Rate of diffusion depends on primary shape of scarp and diffusion coefficient that is coefficient ...  Read More

Original Research Paper
Analysis and Timing Synthesize of the Probable Earthquake in the Tehran Region: A Review to Paleoseismological Studies

H Nazari

Volume 24, Issue 1393 , March 2015, Pages 263-273


  Many attempts have been done to prepare active faults map of the greater Tehran region, in order to evaluate of probabilistic seismic hazard of the region. Insufficient data about the depth and nature of seismic layer, lack of enough numerical information about the crustal deformation rate, and little ...  Read More

Original Research Paper
Analysis of Structural Elements in Kamar Haji Mountain, NW Birjand

A Rashidi; M.M Khatib; M.R Heyhat; S.M Moussavi

Volume 24, Issue 1393 , March 2015, Pages 273-288


  In KamarhajiMountain, NW Birjand there are geological structures such as: duplex, pop-Up, triangle zone, flower structures, folding, etc. The duplexes in KamarhajiMountain have E-W trend. They are parallel to the Shekarab fault system. The Shekarab fault is a reverse fault with sinistral component located ...  Read More

Original Research Paper
Microseismicity and Seismotectonics of the Garmsar Area

M Tatar; S.M Momeni; F Yaminifard

Volume 24, Issue 1393 , March 2015, Pages 289-298


  The V shape kink of the AlborzMountains at its southern end reaches to the Garmsar city located 100 km southeast of Tehran metropolis. We investigated seismicity and seismotectonic features of the Garmsar area by precisely locating of microearthquakes recorded by our local dense seismological network ...  Read More

Original Research Paper
Thick- and Thin-Skinned Deformation of the Mahneshan Area, Zanjan, Northwest Iran

A Ahmadi-Torkmani; M.R Ghassemi

Volume 24, Issue 1393 , March 2015, Pages 299-306


  The present research uses precise field data to provide a balanced cross-section of the Mahneshan area, and investigate nature of depth distribution of its major structures. Our structural studies indicate that the Mahneshan and Anguran faults are two major faults, which penetrate deep into the crust ...  Read More

Original Research Paper
The Effects of Mid-Cimmerian Event in North East of Iran

M.R Sheikholeslami

Volume 24, Issue 1393 , March 2015, Pages 307-314


  The effects of the Mid-Cimmerian event in the BinaludMountains can be investigated in the Mashhad Phyllite around Mashhad and in the Aghdarband Group in the Aghdarband area. In the Eastern Binalud, this event acted in prehnite-pumpellyite to lower greenschist facies and influenced the Shemshak group, ...  Read More

Original Research Paper
Slip Sense Inversion on the Koushk-e-Nosrat Fault, North Saveh

K Orang; M Mohajjel; G.R Tajbakhsh

Volume 24, Issue 1393 , March 2015, Pages 315-328


  The kinematic analysis of the Koushk-e-Nosrat Fault (striking WNW-ESE) at north Saveh city indicates that since a time after early Miocene it has been inverted from dextral strike-slip (and reverse-dextral-oblique slip) to reverse-sinistral (and sinistral strike-slip( displacement. The Kinematic evidences ...  Read More

Original Research Paper
Influence of Mechanical Stratigraphy on Structural Style in the Central Zagros Fold-Thrust Belt

M Najafi; A Yassaghi; A Bahroudi

Volume 24, Issue 1393 , March 2015, Pages 329-334


  Mechanical characterizations of sedimentary cover, especially presence of ductile rock units is a major controlling parameter on deformation style within fold and thrust belts. Interpretation of seismic profiles as well as scaled analogue modeling allows us to determine the influence of ductile levels ...  Read More

Original Research Paper
Using SIS Scheme for 1D Magnetotelluric Data Inversion

H Mardomi; B Oskooi

Volume 24, Issue 1393 , March 2015, Pages 335-340


  During this project we tried to show high capability of the SIS scheme for 1D magnetotelluric (MT) sounding data inversion. The scheme transforms the nonlinear problem of estimating layer resistivities and thicknesses into a linear problem of estimating the coefficients of power series of the new response ...  Read More

Original Research Paper
Pseudo 3D Seismic Data Interpretation and Inversion In Ferdowsi Oil Field, Persian Gulf

M.R Asghari; M Moktari; M Arian; M.R Vanaki

Volume 24, Issue 1393 , March 2015, Pages 341-348


  This study has been done on “Ferdowsi” oil field, which is located on Persian Gulf. The geological studies show that the north slope of the field is situated along the Arabian shield in which its structure has been affected by the salt mass. The Fahliyan formation is the main reservoir in ...  Read More