Volume 32 (2022)
Volume 31 (2021)
Volume 30 (2020)
Volume 29 (2020)
Volume 28 (2019)
Volume 27 (2018)
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)
Original Research Paper
Geochemistry of argillic alteration: a case study from the Jizvan area, Tarom-Hashtjin zone

A. Abedini

Volume 26, Issue 104 , September 2017, Pages 3-16

http://dx.doi.org/10.22071/gsj.2016.50099

Abstract
  Intrusion of quartz-monzodioritic igneous bodies of Oligocene age into the Eocene lithic crystal tuffs and trachy-basalts resulted in occurrence of widespread argillic alteration zone in the Jizvan area (Tarom-Hashtjin zone). Mineralogical studies indicate that this alteration zone includes kaolinite, ...  Read More

Original Research Paper
Dolomitization model of the Soltanieh Formation in the south-west of Zanjan

A. Zohdi; F. Asemi; A. Lakirouhani

Volume 26, Issue 104 , September 2017, Pages 17-28

http://dx.doi.org/10.22071/gsj.2017.50164

Abstract
  In this study, to determine a dolomitization model for the Soltanieh Formation a suitable outcrop 35 km southwest of Zanjan city has been studied. The Soltanieh Formation with a total thickness of 985 m sharply laid on the shales and sandstones of the Bayandor Formation and was covered by shales and ...  Read More

Original Research Paper
Mineral chemistry and P-T estimations of Grt-Cpx amphibolites, SE Qarehaghaj-East Azerbaijan province

M. Advay; R. Hajialioghli; M. Moazzen

Volume 26, Issue 104 , September 2017, Pages 29-42

http://dx.doi.org/10.22071/gsj.2016.50165

Abstract
  The study area is located in the Central Iran Zone, in the view of tectonic subdivisions of Iranian terrains. The main outcropping rock types are metabasites and amphibolites having Precambrian age. The amphibolites have been classified as Ep-amphibolite, normal amphibolite, Grt-amphibolite and Grt-Cpx ...  Read More

Original Research Paper
Eocene Masjeddaghi porphyry Cu-Au deposit; an example of island arc porphyry type deposit in NW Iran

S Hassanpour; S. Alirezaei

Volume 26, Issue 104 , September 2017, Pages 43-58

http://dx.doi.org/10.22071/gsj.2017.50166

Abstract
  The Masjeddgaghi Cu-Au deposit is located to the southeast of the Arasbaran zone, NW Iran, to the south of the Lesser Caucasus. Mineralization in Masjeddaghi is associated with an Eocene dioritic subvolcanic pluton intruded into older volcanic and sedimentary rocks. The Masjeddaghi intrusive body is ...  Read More

Original Research Paper
Investigation of effect of magnetite percent on geomechanical and seismic parameters: case study Chadormalu ore deposit

H. Inanloo Arabi Shad; F. Sereshki; M. Ataei; M.d Karamoozian

Volume 26, Issue 104 , September 2017, Pages 59-68

http://dx.doi.org/10.22071/gsj.2016.50168

Abstract
  Investigation of effective parameters on mechanical and physical properties of ore deposits is very important in determination of their rock mechanic and failure properties. This investigation can be suitable in different mining operations such as drilling, blasting, comminution and mine planning. In ...  Read More

Original Research Paper
The role of tectonic structures and stratigraphy in predicting influx of water into the tunnel using remote sensing (Case Study: Nosoud water-transport tunnel, part 1-A)

M. Heydari; Sharafi M.

Volume 26, Issue 104 , September 2017, Pages 69-80

http://dx.doi.org/10.22071/gsj.2017.50172

Abstract
  The use of remote sensing combined with field surveys can be used as an economic approach to detect the areas that are susceptible to the influx of water into tunnels. This study aims at investigating potential zones of groundwater influx in part 1-A of the Nosoud water-transport tunnel located in the ...  Read More

Original Research Paper
Depositional and post - depositional analysis of the Fahliyan Formation in Lar and Khami Anticlines (Izeh zone)

L. Azad Shahraki; H. Rahimpour Bonab; M. Ranjbaran; A. Kangazian

Volume 26, Issue 104 , September 2017, Pages 81-94

http://dx.doi.org/10.22071/gsj.2016.50173

Abstract
  The Lower Cretaceous (Neocomian) carbonates of the Fahliyan Formation are considered as important reservoir rocks in the Zagros Basin. In this study, the sedimentary successions of this formation in Lar (620m thick) and Khami (517m thick) anticlines, located in the Izeh zone, were investigated to analyze ...  Read More

Original Research Paper
The Zayanderud metamorphic complex, North of Shahrekord: two entirely different interpretations of a basement complex in the Najafabad and Chadegan maps

R. Jamali Ashtiani; J. Hassanzadeh; M. Rahgoshay

Volume 26, Issue 104 , September 2017, Pages 95-102

http://dx.doi.org/10.22071/gsj.2017.50174

Abstract
  Two different ages of Precambrian and Jurassic are considered for the Zayanderud metamorphic complex in the Najafabad and Chadegan geology maps, respectively. This disagreement has made these two maps to be the most incompatible adjacent maps. The metamorphic complex is nonconformably covered by fossiliferous ...  Read More

Original Research Paper
Palynostratigraphy and palynofacies studies of the Sanganeh Formation at the Dahaneh Gholaman section, Central Koppeh-Dagh

Sh. Nouri; E. Ghaseminejad; M. R. Majidifard

Volume 26, Issue 104 , September 2017, Pages 103-112

http://dx.doi.org/10.22071/gsj.2017.50175

Abstract
  The Sanganeh Formation is one of the Early Cretaceous rock units in the Koppeh- Dagh basin. This formation in the Dahaneh Gholaman section (in north of Bojnord city) with a thickness of 900 meters (consist of marl, shale and limestone) is laying conformably on the Sarcheshmeh Formation and covered by ...  Read More

Original Research Paper
Using supervised committee machine artificial intelligent model for improving DRASTIC model (case study: Ardabil plain aquifer)

M. Gharekhani; A. A. Nadiri; A. Asghari Moghaddam

Volume 26, Issue 104 , September 2017, Pages 113-124

http://dx.doi.org/10.22071/gsj.2017.50176

Abstract
  Due to the infiltration of contaminants from surface to underground water systems, groundwater pollution is one of the serious problems, especially in arid and semi-arid areas that encounter with lack of quality and quantity of water resources. Therefore, groundwater vulnerability evaluation is necessary ...  Read More

Original Research Paper
Structural and morphotectonic zonation of the Eastern Kopeh-Dagh

L. Aghajari; S. A. Alavi; M. R. Ghassemi; M. A. Kavoosi

Volume 26, Issue 104 , September 2017, Pages 125-134

http://dx.doi.org/10.22071/gsj.2017.50180

Abstract
  Different geological, structural and morphological characteristics of the eastern Kopeh-Dagh Province in NE Iran resulted in identification of several morphotectonic domains separated by major basement faults. Based on various field surveys, seismic reflection data, satellite images and cross-sections ...  Read More

Petrographic and geochemical studies of dolomites of Ghorban member of the Sachun Formation in Ghareh anticline section, Southeast Shiraz

A. Bavi Ovaydi; M. H. Adabi; A. Sadeghi; H. Amiri Bakhtiar

Volume 26, Issue 104 , September 2017, Pages 135-148

http://dx.doi.org/10.22071/gsj.2017.50181

Abstract
  Dolomitic limestone and dolomite comprise the most part of Ghorban member of the Sachun Formation (Paleocene-early Eocene) in Ghareh Anticline section in southeast Shiraz. Geochemical and petrographic studies of these deposits indicate that these dolomites have formed in marine, meteoric and burial diagenetic ...  Read More

Original Research Paper
Petrological and geochemical nature of mesocratic and melanocratic dykes in Lakhshak granodiorite, Northwest of Zahedan

N. Sarhaddi; A. Ahmadi; Z. Firoozkoohi; M. Jami

Volume 26, Issue 104 , September 2017, Pages 149-162

http://dx.doi.org/10.22071/gsj.2017.50183

Abstract
  The Lakhshak granodiorite body with Oligo-Miocene age crops out in flysch sediments of northwest of Zahedan. This body has been intruded by dykes with variable color indices ranging from mesocratic to melanocratic, and NE-SW trend. Based on field observations, , melanocratic dykes have cut mesocratic ...  Read More

Original Research Paper
Structural evolution of Ashkhaneh fault zone in northwestern Kopeh-Dagh (NE Iran)

E. Gholami; S. Shoraka; A. Yassaghi

Volume 26, Issue 104 , September 2017, Pages 163-172

http://dx.doi.org/10.22071/gsj.2016.50255

Abstract
  The East-West to Northwest-Southeast trending Ashkhaneh fault zone is located in northeast of Iran between the Alborz and Kopeh-dagh tectonic zones. Geometric and kinematic characteristics of Ashkhaneh fault zone was revealed by measuring of fault kinematic indicators such as: S-C structures, asymmetric ...  Read More

Original Research Paper
Sedimentary setting and paleoecology of the Upper Cretaceous rudist-bearing deposits in Khorram Abad, Zagros Basin

I. Maghfouri Moghaddam

Volume 26, Issue 104 , September 2017, Pages 173-186

http://dx.doi.org/10.22071/gsj.2017.50260

Abstract
  Sedimentary setting and paleoecology of the rudist-bearing Upper Cretaceous  strata were studied in three sections in Khorram abad. The sections include: Tang Shabi Khone, Cham Sangar (Tarbur Formation) and Pir Shams Eldin (upper part of Amiran Formation). The Tang- E Shabi Khone and Chamsangar ...  Read More

Original Research Paper
The origin and tectonomagmatic setting of dykes at the North of Mashhad-Ardehal

B. Hosseini; A. R. Ahmadi; M. Ghanbari Dolatabadi

Volume 26, Issue 104 , September 2017, Pages 187-198

http://dx.doi.org/10.22071/gsj.2017.50262

Abstract
  A suite of dykes at the  north of Mashad –Ardehal which intruded into the Eocene volcanic and sedimentary rocks represents part of Tertiary volcanism in middle part of the Urumieh-Dokhtar magmatic belt. The rocks are cogenetic and are mainly basaltic andesite, andesite and trachy andesite ...  Read More

Original Research Paper
Provenance of shales of the Kashafrud Formation in the Navia section (West of Bojnourd), based on geochemical data

N. Sarbaz; A. Mahboubi; R. Moussavi-Harami; M. Khanehbad

Volume 26, Issue 104 , September 2017, Pages 199-210

http://dx.doi.org/10.22071/gsj.2017.50263

Abstract
  The Koppeh- Dagh Basin in the northeast Iran formed after closure of the Paleotethys in the south of Turan plate. Kashafrud Formation in the Navia Section (west of Bojnourd) with a thickness of 749 m is composed of silici-clastic rocks (conglomerate, sandstone and shale). In order to interpret provenance ...  Read More

Original Research Paper
Estimation of the active faults, based on Seismic, geologic and geodetic moment rates in the South and West of Lut block

A. Rashidi; M. M. Khatib; S. M. Mosavi; Y. Jamor

Volume 26, Issue 104 , September 2017, Pages 211-222

http://dx.doi.org/10.22071/gsj.2017.50265

Abstract
  In the S,W Lut Block, geodetic moment rate is more than seismic and geological moment rates. Depending on the type of deformation and geometry of the faults, the study area divided to the 4 parts : northern, central, southern and southeastern (South Lut Block) parts. Values of  three types of moment ...  Read More

Original Research Paper
Calcareous algae and small Gorgonacea from the Tirgan Formation in East of Koppeh-Dagh and the first report of Permocalculus? halimedaformis from Iran

S. Hemati; M. Taherpour Khalil Abad; A. Ghaderi; A. R. Ashouri

Volume 26, Issue 104 , September 2017, Pages 223-240

http://dx.doi.org/10.22071/gsj.2017.50267

Abstract
  Micropaleontological study on the carbonate successions of the Tirgan Formation at the Taherabad village and Eshlir anticline stratigraphic sections is led to identification of various taxa of the calcareous algae belong to the families Dasycladaceae, Triploporellaceae, Udoteaceae, Solenoporaceae and ...  Read More

Original Research Paper
Zinc and lead ore deposit of Pichamto, North West of Shahrood: mineralogical, fluid inclusion and isotopic (C, O, S) studies

H. Abbasi; Gh. H. Shamanian Esfahani; F. Fardoost

Volume 26, Issue 104 , September 2017, Pages 241-250

http://dx.doi.org/10.22071/gsj.2017.50272

Abstract
  Lead and zinc mineralization occurs in limestones of the Upper Jurassic Lar Formation at Pichamto, which is located 38 km northwest of Shahroud city in East Alborz structural zone. Lead and zinc mineralization emplaced in host rocks as lens- and vein-shaped bodies due to replacement, and open-space and ...  Read More

Original Research Paper
The effect of brine waters on engineering characteristics changes of sandstones

Z. Jorkesh; R. Ajalloeian; A. H. Sadeghpour; M. J. Kalantar Hormozi

Volume 26, Issue 104 , September 2017, Pages 251-260

http://dx.doi.org/10.22071/gsj.2017.50276

Abstract
  In this research, the effect of salinity on engineering characteristics of sandstones is investigated. For this purpose, two sandstones from abutments and rock fill (Rip-Rap) of Vanyar dam (in Eastern Azerbaijan province) were selected in addition to three water samples (drinking water, semi-brine and ...  Read More

Original Research Paper
Investigation of geomorphological changes and sediment characteristics of Napag mud volcano, Makran, Iran

K. Nezhadafzali; R. Lak; M. Ghoreshi

Volume 26, Issue 104 , September 2017, Pages 261-266

http://dx.doi.org/10.22071/gsj.2017.50279

Abstract
  Mud volcano is a natural and spectacular phenomenon that usually appear in form of a dome but some are found as a basin. Mud volcanoes comprise a mixture of water, gas and mud. They are found in most parts of the world, particularly in the Alps and Himalayas belts.  In Iran, most of the mud volcanoes ...  Read More

Original Research Paper
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

Original Research Paper
The Arpachay mineralization occurrence, north of Takab: an epithermal base metal mineralization in the Takab-Angouran-Takht-e-Soleyman metallogenic zone

L. Talebi; M. A. A. Mokhtari; M. Ebrahimi; H. Kouhestani

Volume 26, Issue 104 , September 2017, Pages 281-296

http://dx.doi.org/10.22071/gsj.2017.50296

Abstract
  Arpachay Pb-Zn-Cu mineralization occurrence is located in the Takab-Angouran-Takht-e-Soleyman metallogenic zone, 60 km north of Takab. Rock units exposed in the area consist of Oligo-Miocene volcanic, volcano-sedimentary and sedimentary units which are intruded by gabbroic and granodioritic plutons.  ...  Read More

Original Research Paper
Multivariate statistical method for constrain on the origin of some elements in surface sediments in Semnan province and NE Isfahan province

H. Moradi; H. Mohseni; M. Moeini; R. Behbahani

Volume 26, Issue 104 , September 2017, Pages 297-308

http://dx.doi.org/10.22071/gsj.2017.50297

Abstract
  Sediment transport occurs through various processes, whereby their origin is of great importance. Surface sediments of the Semnan province and NE Isfahan province (Khour and Biabanak) were sampled to examine the possibility of transportation by wind. Hence, 43 samples collected from surficial sediments ...  Read More

Original Research Paper
Stratigraphy, Paleontology and Sedimentary Environment of Upper Cretaceous rows, Bahar Section South Esfahan (Central Iran) and its Comparison with Poshte jangal anticline (South east of Lorestan Province)

R. Haftlang; M. Afghah; S. A. Aghanabati; M. Parvaneh Nezhad Shirazi

Volume 26, Issue 104 , September 2017, Pages 309-318

http://dx.doi.org/10.22071/gsj.2017.50303

Abstract
  Lithological and biological Sequences of Cretaceous in Bahar section, Located in South Esfahan (147 m. true thickness) include grayish olive green pencil- like shales containing Budantysras Ammonites (Albian) interbedded with limy shales. which are covered by glauconitic Sandy Limestone (Early Turonian) ...  Read More