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 22 (2013)
Volume 21 (2012)
Volume 20 (2011)
Volume 19 (2010)
Volume 18 (2009)
Volume 17 (2008)
Volume 16 (2007)
Original Research Paper
Comparison and Integration of the Results Obtained from Processing, Modeling and Interpretation of Electrical Tomography and GPR Data for Detection of Subsurface Shallow Targets and Structures

E Eshaghi; A Kamkar-Rouhani; A Arab-Amiri

Volume 23, Issue 92 , September 2014, Pages 3-10


  Every geophysical method has its own advantages and disadvantages. The integration of the results obtained from surveys using various geophysical methods causes the weaknesses of a particular geophysical method to be covered by the other geophysical methods. For this, different exploration, engineering, ...  Read More

Original Research Paper
Characterization of Bubbles and Their Formation during the Eruption of Damavand Volcano Scoria

B Rahimzadeh; F Masoudi; Sh Ranjbar

Volume 23, Issue 92 , September 2014, Pages 11-22


  Scoria is one of the main pyroclastic units in Damavand volcano, which its main crystals are plagioclase, olivine and pyroxene. In this study, characterization of bubbles and their formation during the eruption considered using Bubble Size Distribution (BSD) method including study of volume, 3D modeling, ...  Read More

Original Research Paper
The Interpretation of Factor Analysis Results of Stream Sediment Geochemical Data by Utilization of Geological, Alteration and Mineralization Data in Kooh-Shah, Birjand, South Khorasan

M Abdi; M.H Karimpour; M.H Zarinkoob

Volume 23, Issue 92 , September 2014, Pages 23-38


  The main purpose of this study is processing of raw data by factor analysis method and having interpretation and integration them by geological, alteration and mineralization data. The distinctiveness of third factor of factor analysis for Au, Mo and W and the coincidence of third factor anomalies by ...  Read More

Original Research Paper
Introduction of Early Carboniferous Illanqarah Formation Foraminifera from Illanlu Stratigraphical Section, North Qarahzia’odin, North West of Iran

R Shabanian; N Ghanizadeh

Volume 23, Issue 92 , September 2014, Pages 39-47


  The Illanqareh Formation consists of sandstone, shale, dolomite, extrusive igneous rocks, and limestone. This Formation is about 400 m thick and crops out in the west of Illanlu village, south of the Aras dam, north of the West Azarbaijan province. The clastic deposits of the Illanqareh formation attributed ...  Read More

Original Research Paper
Sequence Stratigraphy of Padeha and Bahram Formations in Baghin Section (West of Kerman) based on Lithofacies and Conodontfacies

Z Khosravi; S.M Hosseini-Nezhad

Volume 23, Issue 92 , September 2014, Pages 47-55


  The carbonate and terrigenous sedimentary sequence of the Padeha and Bahram formations (late Givetian- late Frasnian) with a total thickness of 126 m have a gradational and conformable contact at Baghin region of W Kerman in Central Iran. The terrigenous facies are mainly consisting of sandstone and ...  Read More

Original Research Paper
Organic Geochemistry of Khowr-e-Mussa's Sediments and its Adjacent Marine Areas, Northwest of the Persian Gulf

R Behbahani; R Lak; N Chanani; G Hosseinyar

Volume 23, Issue 92 , September 2014, Pages 55-67


  In order to study of organic geochemistry of bed sediments in Khowr-e-Mussa and its adjacent marine areas, 61 surface sediment samples were collected. Based on granulometric analysis of the sediments, 4 major sedimentary types comprising mud, sandy mud, muddy sand, and slightly gravelly muddy sand were ...  Read More

Original Research Paper
Carbonate Marine Terraces of Qeshm Island, a Symbol of Sea Level Changes of the Persian Gulf in the Quaternary

P Rezaee; R Zarezadeh

Volume 23, Issue 92 , September 2014, Pages 67-74


  Qeshm is the largest island of the Persian Gulf and is located at the southern end of the folded Zagros zone. The stratigraphic units of the QeshmIsland include the Hormoz series, Mishan formation, Aghajari formation and the Quaternary deposits. The Quaternary calcareous marine terraces are an important ...  Read More

Original Research Paper
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


  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

Original Research Paper
Determination of Empirical Distance Attenuation and the Local-Magnitude Scale for Northwest Iran with JHD Technique

R Emami; R Rezaei; M Rezapour

Volume 23, Issue 92 , September 2014, Pages 85-92


  The availability of a large amount of seismic waveform data recorded by the Tabriz seismic network during the recent years has motivated this study to develop relations for the Empirical Distance Attenuation and the Local-Magnitude Scale with Joint Hypocentral Determination (JHD) technique for the northwest ...  Read More

Original Research Paper
Porosity Types, Their Genesis and Reservoir Zonation of the Upper Carbonates of the Dalan Formation in the Surmeh Mountain Section and Persian Gulf

S Parham; M.R Kamali

Volume 23, Issue 92 , September 2014, Pages 93-104


  The Dalan Upper member (Permian) with carbonates and evaporite interlayer is one of the most important gas reservoirs in the folded Zagros area and Persian Gulf. In this investigation porosity types, their genesis and controlling factors have been studied at Surmeh surface section and a subsurface section ...  Read More

Original Research Paper
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


  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

Original Research Paper
The Study of Uplift Movements of Jorjafk Fault by North Front Davaran Mountains Rivers

A Shafiei Bafti; M Pourkermani; M Arian; M ghorashi

Volume 23, Issue 92 , September 2014, Pages 115-122


  One of the most important tools of recognition for uplifting Movements in an area is study of rivers. The Davaran Mountain Range, which situated between Zarand and Rafsanjan cities, is limited by the Jorjafk fault in the north face. This fault is 160 km long and divided into two northern and southern ...  Read More

Original Research Paper
Multifractal Analysis of Earthquake Epicenters in the Golestan Province

M Agh-Atabai

Volume 23, Issue 92 , September 2014, Pages 123-128


  The Golestan province lies on one of the seismically active zones of the world. The occurrence of numerous historical and instrumental earthquakes in this area indicates its high seismic activity. Therefore, it is necessary to study its seismicity using different methods. In this research, the mono and ...  Read More

Original Research Paper
The Emplacement Mechanism of the Gol-e-Zard Granodiorite Pluton, North of Aligoudarz, West of Iran, by Using of AMS Method

M. Sadeghian; M. Sheibi; S. Badallo

Volume 23, Issue 92 , September 2014, Pages 129-142


  The Gol-e-Zard granitoidic pluton with an age of ~ 165±5 Ma is located in the north of Aligoudarz city, Lorestan province, in the Sanandaj-Sirjan structural zone. The pluton intruded into the late Triassic-early Jurassic slates, phyllites and micaschists. The granodiorites, dominant rock types ...  Read More

Original Research Paper
Petrography, Mineral Chemistry and Petrogenesis of the Ganj Complex Felsic Plutonic Rocks, South East of Iran: Constraints on its Tectonic Environment

A Shaker Ardakani; M Arvin; B Oberhänsli

Volume 23, Issue 92 , September 2014, Pages 143-154


  The Lower Paleocene felsic plutonic rocks in the N- NE of Ghaleh-Ganj, are located on the western side of the Makran accretionary prism and the Jazmurian Depression and the east side of the Jiroft fault. They are parts of the intrusives in the Ganj complex, which itself is a part of the Jazmurian ophiolitic ...  Read More

Original Research Paper
Morphotectonics, Kinematics and Geometry of the Sufian-Shabestar Fault Zone, Azerbaijan (NW Iran)

A Ghahramani Zakaria; H Nazari; M Pourkermani

Volume 23, Issue 92 , September 2014, Pages 155-164


  This research has been achieved with the purpose of morphotectonic studies of the Sufian-Shabestar fault zone in the West Alborz-Azerbaijan (NW Iran). The fault zone cuts the Neogene and Quaternary units in south of the MishoMountains. The maximum of horizontal and vertical displacements along the Sufian-Shabestar ...  Read More

Original Research Paper
Geochemical Characteristics of Shahbolaghi Laterite Deposit, Southeast of Damavand, Tehran Province

F Kangarani Farahani; A.A Calagari; A Abedini

Volume 23, Issue 92 , September 2014, Pages 165-176


  The Shahbolaghi laterite deposit is located in ~40 km southeast of Damavand, Tehran province. This deposit was developed as stratiform horizons within the shales and sandstones of Shemshak formation (Jurassic). Mineralogical investigations show that the major minerals in this deposit include hematite, ...  Read More

Original Research Paper
Analysis of Structural Control on Chahmesi Deposit, Miduke Area, SE Iran

Sh Shafiei; M Ghiyasi

Volume 23, Issue 92 , September 2014, Pages 177-186


  Chahmesi vein type deposit in the Kerman porphyry copper belt is located in the southwest of the Miduk porphyry copper deposit. The complex of Eocene volcanic rocks outcropped in this area. Analysis of structural data in outside of Chahmesi deposit and comparison of structures in outside border with ...  Read More

Original Research Paper
Deformation Stages of the Metamorphic Rocks in Hamedan Area and Their Relationship with Alvand Intrusive Pluton

L Izadi kian; M Mohajjel; S.A Alavi

Volume 23, Issue 92 , September 2014, Pages 187-198


  Hamedan area is in the NW of the Sanandaj-Sirjan Zone. Different types of plutonic rocks are outcropped in this area which in turn, surrounded by the various metamorphic rocks (regional and contact metamorphism). Four ductile deformation stages were recognized. Each of them is accompanied with formation ...  Read More

Original Research Paper
Geology, Mineralogy and Geochemistry of Bauxitic- Lateritic Horizon in the Deilaman- Eshkevarat Area, Central Alborz

M.R Omidvar Ashkalack; A Khakzad; N Nezafati; M.A.A Mokhtari; B Borna; S Rozbeh Kargar

Volume 23, Issue 92 , September 2014, Pages 199-208


  The studied area is located in the western part of the Central Alborz structural zone and contains a bauxitic- lateritic horizon between the Elika and Shemshak formations. This horizon belongs to the middle Triassic, and croups out with E-W trend in the four regions (trends) including Zard Kuh- Loriteh, ...  Read More

Original Research Paper
Investigation on Stream Displacements Along Parts of the Doruneh Fault

H Amini; M Fattahi; M.R Ghassemi

Volume 23, Issue 92 , September 2014, Pages 209-218


  The Doruneh fault is the second longest fault systems in Iran. This fault is 700 km long and extended from the Afghanistan-Iran border to the central Iran desert. Despite of its length, and position in the convergence zone between the Arabian and Eurasian plates and its seismic potential, only one historical ...  Read More

Original Research Paper
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


  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