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)
Remote Sensing
1. Combination of Remote Sensing and Fractal Modeling for Identification of Alteration Zones in Tirka Area, NE Iran

Mina Zamyad; Peyman Afzal; Mohsen Pourkermani; Reza Nouri; Mohammadreza Jafari

Volume 31, Issue 4 , December 2021, , Pages 57-68

http://dx.doi.org/10.22071/gsj.2021.242384.1827

Abstract
  Tirka area is situated in NE Iran as a part of the TCMB which consists of Paleogene sediments and volcanic rock units with a combination of Eocene intermediate to basic rocks. The research aim is to determine the alteration zones using C-N fractal model based on ASTER satellite images. First, the ASTER ...  Read More

Economic Geology
2. Separating geochemical anomalies of lithium by the use of Concentration-Number fractal modeling on sedimentary rocks of the Jam and Sorkheh 1:100000 sheet, Semnan Province

Leila Jaberansari; habibollah Torshizian; Nader Kohansal Ghadimvand; Mohsen Pourkermani

Volume 30, Issue 118 , January 2021, , Pages 47-60

http://dx.doi.org/10.22071/gsj.2020.229156.1787

Abstract
  The current study was conducted on sedimentary units of the 1:100000 sheet of Jam and Sorkheh in Semnan Province, northeast of Iran. Because of its special geochemical properties, lithium can be concentrated in sedimentary rocks with clay minerals. Samples were collected from stream sediments and lithogeochemical ...  Read More

Tectonics
3. Structural evolution of the early Miocene- late Pliocene basin in the Saveh area, Central Iran basin

Golnaz Abbasi; Ali Solgi; Mohsen Pourkermani; Hosein Motamedi; alireza farrokhnia; Keivan Orang

Volume 28, Issue 110 , December 2018, , Pages 161-172

http://dx.doi.org/10.22071/gsj.2018.98409.1257

Abstract
  We used 2D seismic profiles, field observation and well data to constrain the structural evolution of the Saveh basin during the late-lower Miocene to late Pliocene. During this time period almost 8-9 kilometers of Upper Red Formation (URF) and the Pliocene conglomerates were deposited in the basin depocenter. ...  Read More

Tectonics
4. Geomorphic Signatures of Active tectonics in the Kashafrood drainage basin, NE Iran

Mohamad Reza Sajadian; Manouchehr Ghorashi; Elahe Javadi Mosavi; Mohsen Pourkermani; Mehran Arian

Volume 28, Issue 110 , December 2018, , Pages 299-306

Abstract
  Geomorphic indices of active tectonics are useful tools to analyze the influence of active tectonics. These indices have the advantage of being calculate from ArcGIS and remote sensing packages over large area as a reconnaissance tool to identify geomorphic anomalies possibly related to active tectonics. ...  Read More

5. Effect of tectonic structures on karstic water resources exploration Using Fuzzy-AHP Logic, case study of Semnan province renge Bastam

R. Akbari Jonosh; M. Ghorashi; Hasan. A. Babaei; M. Nakhaei; M. Pourkermani

Volume 28, Issue 109 , September 2018, , Pages 109-120

http://dx.doi.org/10.22071/gsj.2018.80038

Abstract
  Considering Iran’s situation in drought risk area, in this study karstic waters are investigated. The study area is located in central of Iran, Semnan province. Several factors are important in Karstification and formation water resources in carbonate, among them important are petrology, topography, ...  Read More

6. Computing maximum seismic acceleration of North Tabriz Fault using earthquake simulation based on finite fault source

H. Amiranlou; M. Pourkermani; R. Dabiri; M. Qoreshi; S. Bouzari

Volume 27, Issue 105 , December 2017, , Pages 193-198

http://dx.doi.org/10.22071/gsj.2017.53948

Abstract
  The occurrence of historical and instrumental earthquakes near the North Tabriz Fault in NW Iran is an evidence for seismic activity of this fault, which recorded historical earthquakes with magnitudes greater than 7. In this study, existing experimental relations, historical seismicity, and the fault ...  Read More

7. Permeability study of structures associated with Kuh Banan fault zone (north of Kerman, Central Iran)

T. Naderi; M. Pourkermani; A. Shafiei Bafti; M. R. Aminizadeh; S. Bouzari

Volume 26, Issue 104 , September 2017, , Pages 267-280

http://dx.doi.org/10.22071/gsj.2017.50283

Abstract
  In this study, the permeability of structures associated with Kuhbanan fault zone has been investigated. The Kuhbanan fault zone is one of the most seismically active structural trends in Kerman province. The behaviour of fault zones against groundwater flow (conduit, barrier, or a combination of both) ...  Read More

8. Identifying the Jozak-Ghetlish fault system in western Kopet-Dagh and its tectonic implications

Z Tashakkori; M Ghorashi; M Pourkermani

Volume 25, Issue 99 , June 2016, , Pages 295-304

http://dx.doi.org/10.22071/gsj.2016.40945

Abstract
  The Kopet Dagh zone has been an area interest for geologists due to its sedimentary and structural similarities to the Zagros zone. In this study, the Jozek-Ghetlish main fault is introduced using the results of field studies, remote sensing, stratigraphic changes and seismic activities. The studies ...  Read More

9. Evaluation of earthquake recurrence interval at Astara fault system based on seismic catalogs (NW of Iran)

A Barzegari; M Ghorashi; H Nazari; M.A Shokri; M Porkermani

Volume 25, Issue 98 , March 2016, , Pages 83-92

http://dx.doi.org/10.22071/gsj.2016.41164

Abstract
  The north-south trending Astara Fault System (AFS) is located in the east of Talesh Mountains (TM) and west of the Caspian Sea. The probable seismic activity of this fault system will largely affect the north of GilanProvince. The AFS is one of the basement faults in Iran, which plays an important role ...  Read More

10. Major Active Faults and Their Seismic Potential in Western Middle East

S Eslami Farsani; M Talebian; A Saidi; M Pourkermani

Volume 24, Issue 96 , September 2015, , Pages 291-304

http://dx.doi.org/10.22071/gsj.2015.41773

Abstract
  The purpose of this research is to study active faulting in western part of the Middle East, between Caspian Sea to the east and Mediterranean Sea to the west. This region covers several countries and thus geological maps have different scale and errors in locations. The mismatch between fault traces ...  Read More

11. 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

http://dx.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

12. Geometry and Recent Kinematics of the North Qazvin Fault: Morphotectonics Approach

B Taherkhani; H Nazari; M Pourkermani; M Arian

Volume 24, Issue 95 , June 2015, , Pages 29-38

http://dx.doi.org/10.22071/gsj.2015.41781

Abstract
  The E-W trending North Qazvin Fault is situated in north & northeast of Qazvin city in south-central Alborz. Across the fault, Karaj formation (Eocene) is thrusted over Hezardarreh Formation (A) and the alluvial B Formation. It could be the source for the 1119 AD earthquake with an estimated magnitude ...  Read More

13. 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

http://dx.doi.org/10.22071/gsj.2015.43329

Abstract
  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

14. 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

http://dx.doi.org/10.22071/gsj.2015.43398

Abstract
  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

15. 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

http://dx.doi.org/10.22071/gsj.2014.43690

Abstract
  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

16. 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

http://dx.doi.org/10.22071/gsj.2012.43694

Abstract
  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

17. Folding Style in Western Kopet Dagh Region (Northeast of Iran)

A.N Pourtaghavi; M Pourkermani; G.R Gharabeigli; Sh Sherkati

Volume 23, Issue 91 , June 2014, , Pages 153-160

http://dx.doi.org/10.22071/gsj.2014.43809

Abstract
  The western part of Kopet Dagh fold belt is located in NE of Iran. The southern half of this belt is located in Iran and the northern half in Turkmenistan. The Kopet Dagh fold belt can be considered as the second important hydrocarbon province of Iran. Sedimentation in this zone began in Middle Jurassic ...  Read More

18. Zonation of Iran According to the Seismicity Coefficiency Rate(λ) and Mmax

Gh Razaghian; A Beitollahi; M Pourkermani; M Arian

Volume 23, Issue 90 , March 2014, , Pages 99-104

http://dx.doi.org/10.22071/gsj.2014.43967

Abstract
  Iran is in the middle part of the seismic belt of Alps-Himalayas with dissimilar geological, structural and seismological features. In the present article, zonation maps of the earthquake occurrence rate (Rate) and the largest observed earthquakes (Mmax) have been prepared for all the regions of Iran. ...  Read More

19. Seismicity of Rafsanjan-Zarand Region

A. Sistanipour; M. Pourkermani; M. Arian

Volume 21, Issue 84 , December 2012, , Pages 207-212

http://dx.doi.org/10.22071/gsj.2012.53982

Abstract
  Bafq-Baghin fault system has formed by 8 fault segments. On this fault system has not recorded any historical seismic data. Instrumentally earthquakes are located in low depth and their magnitude is from small to medium. Morphometric parameters and the presence of fault scarp along the fault segments ...  Read More

20. Dynamic Analysis of Fractures in North of Torud – Moalleman Area (Central Iran, East South of Damghan)

A. Keynezhad; M. Pourkermani; M. Arian; A. Saeedi; M. Lotfi

Volume 20, Issue 78 , December 2011, , Pages 3-16

http://dx.doi.org/10.22071/gsj.2010.54577

Abstract
  Detailed geological and structural analysis of north of Torud-Moalleman area (Central Iran), between Anjilu fault in north and Torud fault in the south, led to tectonic elements of this limit such as fractures and relative of their mechanism with left lateral sheared zone of two main faults. This study ...  Read More

21. Influence of Structures on the Ghezel Ozan River

V. Hosseini toudeshki; M. Pourkermani; M. Arian; Kh. Khosrotehrani

Volume 21, Issue 81 , December 2011, , Pages 55-60

http://dx.doi.org/10.22071/gsj.2011.54203

Abstract
  Rivers are the most important landforms on the ground whose analysis is known as a useful tool in tectonic surveys in several thousands to two million years ago. The Ghezel Ozan River, the longest river system in the country, has responded to tectonic deformation thoroughly. Detection and characterization ...  Read More

22. Geological Study of Offshore Mud Volcanoes in the Southeast Caspian Sea

J. Faslebahar; M. Pourkermani; S. Faslebahar

Volume 20, Issue 77 , January 2010, , Pages 75-82

http://dx.doi.org/10.22071/gsj.2010.55338

Abstract
  Mud volcanoes are one of the interesting phenomenons that many researchers in oil field, plate tectonics and geotourism consider the most. In this regard there are many studies in the other countries, especially those which have this phenomenon and published many articles. This article is the output ...  Read More

23. Structural Analysis of Hired Mining Area and its Relation with Gold Mineralization using Aeromagnetic Data, Satellite Images and Field Studies, South of Birjand, Iran

M.A. Ghorbani; M. Mohajel; M. Pourkermani; M. Alimohammadi; H. Kheyrollahi

Volume 18, Issue 72 , January 2009, , Pages 121-126

http://dx.doi.org/10.22071/gsj.2010.57153

Abstract
  Hired area is located in the northeastern border of Lut zone and western vicinity of Sistan suture zone. Northern part of Sistan suture zone trending NW-SE with complicated structure is the locality of several considerable ore deposits. We have employed aeromagnetic data, satellite images and field observations ...  Read More