Volume 32 (2022)
Volume 31 (2021)
Volume 30 (2020)
Volume 29 (2020)
Volume 28 (2019)
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)
Original Research Paper
Mineral chemistry of the Permian basalts from North of Baladeh Central Alborz: Geothermobarometry and tectonomagmatic setting

F. Rostami; M. Delavari; S. Amini; A. Dolati

Volume 27, Issue 106 , March 2018, Pages 3-14

http://dx.doi.org/10.22071/gsj.2018.58316

Abstract
  The Permian volcanic rocks of Central Alborz (northeast of Baladeh- Siahbisheh) crop out between Ruteh and Nesen Formations. The volcanic rocks are predominantly basaltic and plagioclase- phyric. Ferromagnesian minerals such as clinopyroxene and olivine are not modally abundant and sometimes are totally ...  Read More

Original Research Paper
Paleoenvironmental study of the marly beds of the Farrokhi Formation (Central Iran) based on their ostracods content

Mohsen Allameh

Volume 27, Issue 106 , March 2018, Pages 15-24

http://dx.doi.org/10.22071/gsj.2018.58317

Abstract
  The Farrokhi Formation is the youngest sedimentary unit in Upper Cretaceous of Khur and Biabanak area. Its lithology is mainly consists of limestone, marl, marly limestone with intercalations of fossiliferous limestone. For environmental interpretation of this formation, 23 specimens of marly beds are ...  Read More

Original Research Paper
Optimization determine of petrophysical facies class using Fast independent component analysis and discrete cosine transform based k-nearest neighbors in the Marun oil field, Asmari reservoir

S. A. Hasheminejad; K. Ahmadi

Volume 27, Issue 106 , March 2018, Pages 25-34

http://dx.doi.org/10.22071/gsj.2018.58318

Abstract
  This paper aims to optimally determine petrophysical facies according to well log data. Using the automatic classification method of K-NN (K-Nearest Neighbours), petrophysical facies can be determined even though not optimally. For optimal determination of facies, the K-NN method is combined with FastICA ...  Read More

Original Research Paper
Application of clinopyroxene in petrogenesis of volcanic rocks at north of East Alloun Abad village (East of Isfahan)

Z. Nasr Esfahani; M. H. Emami; S. J. Sheikhzakariaee; S. H. Tabatabaei

Volume 27, Issue 106 , March 2018, Pages 35-44

http://dx.doi.org/10.22071/gsj.2018.58319

Abstract
  The study area is located in the Isfahan province and at the north of East Alloun Abad village. This area is a part of Urmia - Dokhtar belt in Central Iran.  A large part of the area is formed from Eocene igneous rocks. These rocks include basaltic andesite and pyroclastic rocks of ignimbrite and ...  Read More

Original Research Paper
Facies, depositional environments and sequence stratigraphy of the Lower Jurassic Neyriz Formation in the Fars region

A. H. Jalilian

Volume 27, Issue 106 , March 2018, Pages 45-56

http://dx.doi.org/10.22071/gsj.2018.58320

Abstract
  The Neyriz Formation comprises the lowermost Jurassic strata in Fars area and the last lithostratigraphc unit of the Kazerun Group in the Zagros fold-thrust belt. This study focuses on facies analysis, reconstruction of depositional environments and sequence stratigraphy analysis of the Lower Jurassic ...  Read More

Original Research Paper
Origin and tectonomagmatic setting of Quaternary volcanism in Alamut Valley

B. Hosseini; M. Mohammadi Siyani; A. R. Ahmadi

Volume 27, Issue 106 , March 2018, Pages 57-66

http://dx.doi.org/10.22071/gsj.2018.58321

Abstract
  Quaternary volcanic activities in Alamut Valley occurred in three stages and covered Neogene red sedimentary rocks. The volcanic rocks are intermediate in composition and are classified as hornblende trachyandesite. The SiO2 content of the rocks varies in a range from 55.48-61.88 wt%. Chondrite normalized ...  Read More

Original Research Paper
Structural analysis of Goshtasb Anticline In South of Sarvestan (Interior Fars, Zagros)

F. Motaki; H. Motamedi; N. Dehbashi

Volume 27, Issue 106 , March 2018, Pages 67-76

http://dx.doi.org/10.22071/gsj.2018.58322

Abstract
  Goshtasb anticline is situated in southeast of Shiraz. The dimension of this anticline is about 54 km length and maximum width of 7 km in the level of the Asemari–Jahrum carbonates exposure. The general trend of the structure is NW-SE which swings to an E-W trend in its eastern plunge possibly ...  Read More

Original Research Paper
Geochemistry, geodynamic setting and probable origin of orthogneiss in Belqeis Mountain (NW of Iran)

H. Rahbari; N. A. Rashidnejad Omran; M. Khalatbari-Jafari

Volume 27, Issue 106 , March 2018, Pages 77-88

http://dx.doi.org/10.22071/gsj.2018.58323

Abstract
  As a part of Takab Metamorphic Complex (TMC), Belqeis Mountain has a variety of ‎metamorphic rocks including orthogneiss, pelitic schists, meta-‎ultramafics and mafic rocks and dolomitic marbles. This complex was metamorphosed, faulted and folded ‎during Late Neoproterozoic-Early Cambrian ...  Read More

Original Research Paper
Landslide risk assessment in Qazvin-Rasht quadrangle zone (North of Iran)

A. H. Pasha; A. Sorbi; S. Behzadi

Volume 27, Issue 106 , March 2018, Pages 89-98

http://dx.doi.org/10.22071/gsj.2018.58229

Abstract
  Mass movements, especially landslides, are one of the natural hazards that to a large extent occur, are controlled, or are prevented by human. It is obvious that human interferences in nature regardless of stability conditions and its natural balance leads to physical reactions from the environment to ...  Read More

Original Research Paper
Mineralogy and geochemistry of Siriz iron deposit, northwest of Zarand, Kerman province

S. J. Moghaddasi; J. Yazdi; T. Namdar Mohammadi

Volume 27, Issue 106 , March 2018, Pages 99-116

http://dx.doi.org/10.22071/gsj.2018.58233

Abstract
  Siriz iron deposit is located in Central Iran structural zone, 75 km northwest of Zarand, Kerman Province. Iron mineralization occurred mainly as irregular ore bodies, lenses and veins in Paleozoic metamorphosed dolomitic limestone known as Kuhbanan Formation and the skarn units at the contacts of Siriz ...  Read More

Original Research Paper
Petrography, geochemistry and tectonic setting of Tertiary volcanic rocks in the Boshgaz area )northwest of Sarbisheh, Southern Khorasan(

A. Baharvandi; S. S. Mohammadi; M. Nakhaei

Volume 27, Issue 106 , March 2018, Pages 117-128

http://dx.doi.org/10.22071/gsj.2018.58324

Abstract
  In the Boshgaz area in 50 kilometers northwest of Sarbisheh and eastern margin of Lut block, Tertiary volcanic rocks with basaltic andesite, andesite and dacite composition are cropped out. The main texture of these rocks are porphyry with microlithic-glass groundmass, glomeroporphyritic and vesicular. ...  Read More

Original Research Paper
Depositional and post-depositional history of the Guri Member in the south-east of Zagros sedimentary basin

A. Zohdi; S. A. Moallemi; M. A. Salehi

Volume 27, Issue 106 , March 2018, Pages 129-142

http://dx.doi.org/10.22071/gsj.2018.58327

Abstract
  In the Zagros sedimentary basin, the maximum thickness of the Guri Member carbonates is belonging to the eastern parts of the Bandar-Abbas region. In this research, the Guri Member in five outcrops at the Bandar-Abbas region has been sedimentological and stratigraphic studied. The Guri Member mainly ...  Read More

Original Research Paper
Investigations on Northern Urmia-Dokhtar travertines and comparison with north Sanandaj-Sirjan travertines using 18O and 13C stable isotopes

R. Roshanak; A. R. Zarasvandi; H. Pourkaseb; F. Moore

Volume 27, Issue 106 , March 2018, Pages 143-152

http://dx.doi.org/10.22071/gsj.2018.58235

Abstract
  Main Travertines of Iran are located in a NW-SE trending belt (Urmia-Dokhtar Belt), extending from Tabriz to Zahedan. Neo-tectonic activities (Plecene to now) with travertine deposits around hot springs and volcanic features can be seen along this belt. In this study, East Azerbaijan travertines (northern ...  Read More

Original Research Paper
Post-collision magmatic activity in the Almogholagh area, Western Iran

M. Amiri; A. Ahmadi Khalaji; Z. Tahmasbi; R. Zarei Sahamieh; H. Zamanian

Volume 27, Issue 106 , March 2018, Pages 153-168

http://dx.doi.org/10.22071/gsj.2017.58238

Abstract
  The intrusive bodies of Almogholagh Batholith, in western Iran are emplaced into the Sanandaj–Sirjan magmatic-metamorphic zone and comprise three main groups: (1) gabbro-diorite, (2) quartz syenite, and (3) quartz monzonite, which crop out in most of the area. The quartz syenite and quartz monzonite ...  Read More

Original Research Paper
Microfacies, depositional environments and biostratigraphy of Asmari Formation in Dashroom section (South of Yasuj)

T. Binazadeh; A. Binazadeh; T. Vafaei

Volume 27, Issue 106 , March 2018, Pages 169-178

http://dx.doi.org/10.22071/gsj.2018.58239

Abstract
  The Asmari Formation is a thick carbonate sequence in Zagros foreland basin (southwest of Iran). It was deposited during Oligocene – Early Miocene ages. The formation with a thickness of 233m cropped out in the Dashtroom section (15 km south of Yasuj). This formation was studied from microfacies, ...  Read More

Original Research Paper
Role of geoparks in tourism considerations of land use planing; case study: establishment of geopark in the Lorestan province

R. Jadidi; H. Karimzadegan; N. Badri

Volume 27, Issue 106 , March 2018, Pages 179-192

http://dx.doi.org/10.22071/gsj.2018.58241

Abstract
  Tourism is a valuable and quick-impact on economic approach and is raised to land use considerations, and has fewer risks and costs in the field of investment due to the availability of resources compared to other projects. The purpose of land use planning is to balance geographical distribution of economic, ...  Read More

Original Research Paper
Review and comparing geochemistry of barren and productive hypabbysal intrusive bodies considering evidence for adakitic rocks in the Dehaj-Meiduk area (North Shahrbabak)

L. Berahmand; M. Ghorbani; S. M. Pourmaàfi

Volume 27, Issue 106 , March 2018, Pages 193-202

http://dx.doi.org/10.22071/gsj.2018.58242

Abstract
  Dehaj-Meiduk area is located at North of Shahre-babak. There are nine porphyry intrusive bodies in this region, which include Meiduk, Parkam, Iejoo, Segino, Chah Firouzeh, Narkoh, Ayoub Ansar, Sara and Keder. Meiduk, Chah Firouzeh, Parkam, Iejoo and Segino are productive among them and Narkoh, Keder, ...  Read More

Original Research Paper
Tectonic analysis of the Avaj - Abegarm area using remote sensing techniques and fractal analysis, NW Iran

R. Alipoor; A. H. Sadr; S. Ghamarian

Volume 27, Issue 106 , March 2018, Pages 203-216

http://dx.doi.org/10.22071/gsj.2018.58243

Abstract
  This study aims at analyzing structural lineaments, fractures and blind faults of the Avaj - Abegarm region and determining the related fractal patterns using remote sensing techniques. The lineaments map was extracted using appropriate algorithms of spatial data, Landsat 8 satellite images and Shaded ...  Read More

Original Research Paper
Identification of probable porphyritic Au-Cu mineralization zones in the South Seachangi using AHP and FAHP methods

Z. Khajehmiri; M. R. Shayestehfar; H. Moeinzadeh

Volume 27, Issue 106 , March 2018, Pages 217-230

http://dx.doi.org/10.22071/gsj.2018.58244

Abstract
  Due to high cost, risk and time consuming nature of field operations and mineral explorations, the discovery of probable mineralization area is profoundly important. Thus, preparations of potential mineral map by means of GIS techniques for compilation all exploration factors is an essential matter. ...  Read More

Original Research Paper
Dolomitization and its relationship with sedimentary facies and reservoir quality of the upper Dalan and Kangan formations in southeast district of the Persian Gulf

R. Kadkhodaie-Ilkhchi; B. Nouri; R. Jodeyri

Volume 27, Issue 106 , March 2018, Pages 231-242

http://dx.doi.org/10.22071/gsj.2018.58252

Abstract
  The Upper Dalan and Kangan formations with the late Permian- early Triassic age are considered as the main reservoir rocks of some fields in the Persian Gulf. These formations with carbonate-evaporate interval are composed of shoal, lagoon and tidal flat facies deposited in shallow parts of a carbonate ...  Read More

Original Research Paper
geology, petrography, mineralization and fluid inclusion studies in the mesgarabad exploration area, southeast of tehran

M Norouzi; M. Lotfi; M. H. Emami; H. Jamali; A. Abedini

Volume 27, Issue 106 , March 2018, Pages 243-256

http://dx.doi.org/10.22071/gsj.2018.58253

Abstract
  Mesgarabad area is located in ~10 km southeast of Tehran, the Central- Alborz structural zone (CASZ) of Iran. The rock units exposed in the area consist of Eocene volcanics, volcano-sedimentary and sedimentary rocks intruded by post upper Eocene granodiorite to quartz monzo-diorite. These subvolcanic ...  Read More