Volume 32 (2022)
Volume 31 (2021)
Volume 30 (2020)
Volume 29 (2020)
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)
Original Research Paper
Petrography, mineral chemistry and origin of lamprophyric dykes from Sareashk Village, South West of Ravar- Kerman

A. Bahrampour; Gh. Ghadami; H. Atapour; M. Poosti; H. Ahmadipour

Volume 28, Issue 111 , May 2019, Pages 3-16

https://doi.org/10.22071/gsj.2019.88131

Abstract
  At 60km north-east of Kerman city,near Sarashk village (Ravar, Kerman province) and along the Kuhbanan fault, several lamprophyric dikes have been intruded into Carboniferous to Cretaceous sedimentary formations. Petrographically these lamprophyres could be classified into two  groups: comptonites ...  Read More

Original Research Paper Economic Geology
Thermometry and Origin of Mineralizing Fluid at Barika Gold Deposit, East of Sardasht

H Tajeddin; Ebrahim Rastad; Abdolmajid Yaghoubpour; Mohammad Mohajjel; Richard Goldfarb

Volume 28, Issue 111 , May 2019, Pages 17-28

https://doi.org/10.22071/gsj.2017.77436.1029

Abstract
  Barika gold (and silver)-rich volcanogenic massive sulfide deposit is located 18 km east of Sardasht city in the northwestern of Sanandaj–Sirjan metamorphic Zone. The rocks in the vicinity of the Barika deposit predominantly consist of Cretaceous volcanosedimentary sequences of phyllite, slate, ...  Read More

Original Research Paper Tectonics
Geometric analysis and folding mechanism

ahmad lashgari; magmodreza Hayhat; mohammd mahdi khatib; Mahdi Najafi; Jaume Verges

Volume 28, Issue 111 , May 2019, Pages 29-42

https://doi.org/10.22071/gsj.2017.93015.1200

Abstract
  Determining the geometry and folding mechanism in Dezful embayment in the southwest of Iran due to the inclusion of a large amount of Iran's hydrocarbon reserves, also its role in the process of structural evolution of Zagros fold- belt, is important. In present study, structural evolution of Jarik anticline ...  Read More

Original Research Paper Geophysics
Crustal velocity structure and Moho discontinuity depth beneath center of Iran

Afsaneh Nasrabadi; Fateme Azimi; MohammadReza Sepahvand

Volume 28, Issue 111 , May 2019, Pages 43-52

https://doi.org/10.22071/gsj.2017.87615.1128

Abstract
  Crustal velocity structure and Moho discontinuity depth have investigated beneath 7 the broadband seismic stations, AFRZ, TKDS, TPRV, TNSJ, ANAR, KRSH of the Iranian Seismological Center (ISC) and YZKH of Iranian National Seismic Network (INSN) located in the center of Iran by joint inversion of receiver ...  Read More

Original Research Paper Tectonics
Paleostress Reconstruction of Mesozoic deposits In Interior Fars Area( E-SE of Shiraz)

Tahmoores Yousefi; Kooros Yazdjerdi; 2Manouchehr Ghorash; Alireza Shahidi

Volume 28, Issue 111 , May 2019, Pages 53-64

https://doi.org/10.22071/gsj.2017.97004.1245

Abstract
  Abstract: The brittle tectonic history expresses different tectonic events in the Zagros Simply Folded Belt. Consequence of Mesozoic extension, rifting and the shortening derived from the Cenozoic Eurasia – Arabia collision. In order to reconstruction the ancient tensions in the Mesozoic deposits ...  Read More

Original Research Paper Stratigraphy and Palaeontology
Calcareous nannofossil biostratigraphy of Valanginian ‒ Hauterivian sediments at the lower part of the Garau Formation, Arkavaz section (Kabir-Kuh anticline, SE Ilam)

Katayoon Barmakizadeh; A. Mahanipour

Volume 28, Issue 111 , May 2019, Pages 65-74

https://doi.org/10.22071/gsj.2018.96207.1239

Abstract
  Abstract The lower part of the Garau Formation with a thickness of 212 m at the southwest of the Kabirkuh anticline is investigated with regard to the calcareous nannofossils. Lithology of the studied interval is mainly consists of marl, marly limestone, black shale and limestone. 67 species from 33 ...  Read More

Original Research Paper Economic Geology
Application of multifractal methods in stream sediment sampling to identifying Cu and Mo anomalies in Varzaghan 1:100,000 Sheet

Meysam Nikfarjam; Ardeshir Hezarkhani; Kaveh Pazand

Volume 28, Issue 111 , May 2019, Pages 75-82

https://doi.org/10.22071/gsj.2018.88813.1143

Abstract
  The study area (Varzaghan 1:100,000 Sheet) is located in eastern Azarbaijan province and Ahar-Arasbaran metallogenic zone. The magmatism in this area is happened widespreadly that leads to several important deposits like Sungun world class deposit. According to the importance of this region from Cu-Mo ...  Read More

Original Research Paper Tectonics
Seismicity and earthquake hazard assessment in North of Kerman [By Kijko & Sllevoll (1992) method]

Amir Shafiei bafti

Volume 28, Issue 111 , May 2019, Pages 83-94

https://doi.org/10.22071/gsj.2018.84623.1103

Abstract
  . Kouhbanan fault system in south of central Iran is one of the most active and seismic faults, has length of nearly 200km and seismic history from B.C to the present. Epicenter of seismic activities for this fault situated often near fault zone or on the Kouhbanan fault zone branches and other attached ...  Read More

Original Research Paper
Investigation on the physical and chemical conditions of the formation of hexagonal colored quartz crystals in Qohrud area based on petrographic evidence and fluid and solid inclusion studies

M. R. Rezapour; V. Simmonds; M. Moazzen; R. Hajialioghli

Volume 28, Issue 111 , May 2019, Pages 95-104

https://doi.org/10.22071/gsj.2019.88144

Abstract
  The Qohrud granitoid body of Miocene age is located 40 km SW Kashan, ranging in composition from granite through granodiorite to tonalite. Hydrothermal activities following the magma intrusion have brought about formation of various coarse automorphic and colored quartz crystals within the fractures ...  Read More

Original Research Paper Petrology
Provenance of Dorud Formation Sandstones Based on Petrography and Geochemical Data, Khur Section, Central Alborz

Leili Bastami; Reza Moussavi; Mahboobeh Hosseini-Barzi; Bahaedin Hamdi Hamdi

Volume 28, Issue 111 , May 2019, Pages 105-120

https://doi.org/10.22071/gsj.2018.90614.1174

Abstract
  The sandstones of the Dorud Formation (Early Permian) have been subjected to petrographic and geochemical studies in order to investigate provenance, tectonic setting, source rock and paleoclimate conditions in Khur section, Central Alborz. The Dorud Formation with a thickness of 360 m is mainly composed ...  Read More

Original Research Paper
Geochemical- Heavy Mineral Exploration and Determination of Promissing Ore-bearing Areas in the Qare-Naz 1:50,000 Sheet, Zanjan Province

M. Badfar; M. R. Jannessary; R. Hosseinzadeh; M. Ghaderi

Volume 28, Issue 111 , May 2019, Pages 121-132

https://doi.org/10.22071/gsj.2019.88157

Abstract
  This study is an investigation on geochemical exploration and economic geology of Qare-Naz 1:50,000 sheet, western Zanjan province. The scope of the study is to presentation of mineral pomissing area in a regional scale. For this reason, geochemical sampling was initially performed. The samples were ...  Read More

Original Research Paper Tectonics
An assessment of the relationship between the Darang fault and the Kazerun- Burazjan fault system and their fractures pattern

Marziyeh Khalili; Maryam Ezadi

Volume 28, Issue 111 , May 2019, Pages 133-138

https://doi.org/10.22071/gsj.2017.87001.1157

Abstract
  The Kazerun-Burazjan fault is an active strike slip fault with an N-S trending located in the Zagros belt whose performance causes bends and stretches in the folds axis. The obtained results from the seismic profiles of the southern parts of Fars province suggest that there is no evidence as to the continuation ...  Read More

Original Research Paper Geological Environment and Engineering
assessment land susceptibility to gully erosion using ensemble data-mining Techniques (Case study: Shahroud Basin)

alireza arabameri; khalil rezaei; mojtaba yamani

Volume 28, Issue 111 , May 2019, Pages 139-150

https://doi.org/10.22071/gsj.2018.114756.1374

Abstract
  at first, a gully erosion inventory map was prepared using extensive field surveys and interpretation of aerial photographs, of which 172 gully erosion, 70% (121 gully) are used for modeling and 30% (51 gully) are used for validation purposes. In the next step, for the selection of parameters, after ...  Read More

Original Research Paper Exploration and Mining
Applying fractal models to delineation of rock quality designation in the Zarshuran gold deposit, Takab, Iran

Ghodratollah Rostami Paydar; Hani Asadi Hoveizian

Volume 28, Issue 111 , May 2019, Pages 151-160

https://doi.org/10.22071/gsj.2018.78009.1056

Abstract
  Determination of relationship between rock mass properties concerning to rock qualification design (RQD) has an important role in mine planning and designation. The aim of this study is separation of rock mass properties to designing the mine planning based on the 3267 RQD data analysis of 43 drill-core ...  Read More

Original Research Paper Economic Geology
Mianaj iron occurrence, southwest of Zanjan: Metamorphosed and deformed volcano-sedimentary type of mineralization in Sanandaj- Sirjan zone

Fattaneh Pourmohammad; Hossein Kouhestani; Amir Morteza Azimzadeh; Ghasem Nabatian; Mir Ali Asghar Mokhtari

Volume 28, Issue 111 , May 2019, Pages 161-174

https://doi.org/10.22071/gsj.2017.84283.1099

Abstract
  Mianaj Fe ore occurrence is located in the Takab-Angouran-Takht-e-Soleyman metallogenic zone, 100 km southwest of Zanjan. In this area, Fe mineralization occurs as lens-shaped bodies parallel to the foliation of schist and rhyolitic meta-tuff units (equal to Kahar Formation). Based on mineralography, ...  Read More

Original Research Paper
Structural evolution and active tectonic of Mianrahan area, northeast of Kermanshah

H. Javanbakht Jabarabadi; S. A. Alavi

Volume 28, Issue 111 , May 2019, Pages 175-184

https://doi.org/10.22071/gsj.2019.88498

Abstract
  The studied area located at the main suture zone of Zagros in the northeastern of Kermanshah. To do structural analysis in this area, six structural sections have been drawn perpendicular to structures direction. Structures and faults with different mechanism show that the studied area has passed two ...  Read More

Original Research Paper Petrology
Petrology and geochemistry of plutonic rocks in west and south west of Salafchegan.

mozhgan Taheri; afshin ashjaardalan; Mohammad hashem Emami; Seyed Jamal Shaikh Zakariay

Volume 28, Issue 111 , May 2019, Pages 185-194

https://doi.org/10.22071/gsj.2018.87169.1114

Abstract
  Abstract In the west and south-west part of Salafchegan near Zavarian village in Iran (In central Iranian volcano plotonic belt) there are some Plutonic rocks. Based on petrography and geochemistry findings these Plutonic rocks are Diorite, Monzonite and less Quartz monzonite. The main texture in Dioritic ...  Read More

Original Research Paper Exploration and Mining
Estimation of water seepage from Azad dam foundation using multivariated geostatistic and comparison with observed flow

Ali Aalianvari; Saeed Soltani-Mohammadi; Maryam Miri

Volume 28, Issue 111 , May 2019, Pages 195-202

https://doi.org/10.22071/gsj.2018.112706.1363

Abstract
  The main objective of this paper is to estimate water seepage from the Azad dam foundation, based on the combined geotechnical investigations and multivariate geostatistical methods. Geological filed investigations and records at the 38 exploratory boreholes have been considered as the main source for ...  Read More

Original Research Paper Economic Geology
Vein-type copper mineralization in the Zarandieh area based on mineralogy, geochemistry and fluid inclusions studies, Saveh, Markazi province

seyran yousefi; masoud alipourasl

Volume 28, Issue 111 , May 2019, Pages 203-214

https://doi.org/10.22071/gsj.2018.82635.1090

Abstract
  The Zarandieh district is situated approximately 42 km northeast Saveh (Markazi province) and in the northwestern part of the Urumieh-Dokhtar magmatic belt. In this area, mineralization is hosted by Eocene andesitic lava and Oligo-Miocene diorite and gabbroic rocks. According to the geochemical evidence, ...  Read More

Original Research Paper Petroleum geology
Determination of main reservoir controlling factors of Asmari Formation in Naft-Sefied oil field, Northern Dezful Embayment

ayeshah salmani; Hossain Rahimpour-Bonab; Mohsen Ranjbaran; Seyed Mohsen Aleali

Volume 28, Issue 111 , May 2019, Pages 215-226

https://doi.org/10.22071/gsj.2017.77997.1041

Abstract
  Asmari Formation (Oligocene - Miocene) is the first fractured proliferous carbonate reservoir that ever known in the world and is the most important hydrocarbon reservoir in Iran. The large quantity of the produced oil in Dezful Embayment is from this formation. Thin section studies in this formation ...  Read More

Original Research Paper
Investigation of active tectonics and identification of active faults by geophysical methods case study: Gohartapeh- Behshahr

F. Alahverdi Maygooni; M. Mohamadi Vizheh; A.R. Farrokhnia; E. Boostan; H. Nazari

Volume 28, Issue 111 , May 2019, Pages 227-236

https://doi.org/10.22071/gsj.2019.88499

Abstract
  Undoubtedly, one of the evidence of tectonic activity in each region is earthquake, which has a major role in casualties and financial losses. The earthquake is usually caused by faults that sometimes extend to the depths of the earth's crust. In cases where no signs or complications of these faults ...  Read More

Original Research Paper
Biostratigraphy, depositional environment and sequence stratigraphy of the Kalat Formation in the Sheikh Syncline (north east of Bojnurd)

M. H. Kazemzadeh; A. Sadeghi; M. H. Adabi; H. Ghalavand

Volume 28, Issue 111 , May 2019, Pages 237-246

https://doi.org/10.22071/gsj.2019.88501

Abstract
  In order to determine biostratigraphy, depositional environment and sequence stratigraphy of the Kalat Formation in the Sheikh Syncline (north east of Bojnurd), Four stratigraphic sections including South Sheikh, North Sheikh, Qaleh Zu and Ziarat were selected and sampled. The thickness of the Kalat ...  Read More

Original Research Paper Economic Geology
Investigations on Bagher Abad and Darreh Badam fluorite deposits based on REE data, Southeast Mahallat, Markazi Province

mohammad maanijou; Azadeh Mirzai

Volume 28, Issue 111 , May 2019, Pages 247-256

https://doi.org/10.22071/gsj.2018.88934.1146

Abstract
  Bagher Abad and Darreh Badam fluorite mineralizations are located in southeast Mahallat city (Markazi province) and occured as veins with common trend of East-West within slate and phyllite of Shemshak Formation (Lower Jurassic). The fluorite is the main mineral of the veins and quartz, barite, calcite, ...  Read More

Original Research Paper
Evaluation of neotectonic activities in East-Yazd

M. Mirjalili; F. Ghaemi; B. Rahimi; M. Moshrefifar; M. Gholamzadeh

Volume 28, Issue 111 , May 2019, Pages 257-270

https://doi.org/10.22071/gsj.2019.88502

Abstract
  The study area is located in the east of Yazd and is part of Yazd block (western block of central Iran). There are two major fault systems, Anar and Kharanagh with lengths of 100 and 62 km and numerous minor faults represents an important tectonic phenomenon in the region. The aim of this study is to ...  Read More

Original Research Paper
Mineral chemistry and thermo-barometry of Ziyaran intrusion (West Taleghan)

E. Keshtkar; M. Ghorbani; J. Omrani

Volume 28, Issue 111 , May 2019, Pages 271-280

https://doi.org/10.22071/gsj.2019.88503

Abstract
  In the north of Ziaran village, a Sill olivine gabbro to monzodiorite composition is injected into the Karaj tuffs. The dominate minerals composition of plutonic rock are Plagioclase, Alkali feldspar, Pyroxene, Olivine and Biotite. Plagioclase composition is varies, and it’s changed from Labradorite ...  Read More

Original Research Paper Tectonics
The investigation of paleo-stress based on the study of fractures in Zagros collision zone Kermanshah region

Sepideh Rezabeyk; Abdollah Saidi; Mehran Arian; Ali Sorbi

Volume 28, Issue 111 , May 2019, Pages 281-288

https://doi.org/10.22071/gsj.2017.95512.1228

Abstract
  In the Northern part of Suture Zone (Kermanshah) the deep sea sediments, oceanic crust remnants, platform carbonates, igneous and metamorphosed rock of active margin and carbonate sequence of passive margin are assembled in this studied area. This convergent area has provided a very complicated structural ...  Read More

Original Research Paper
Facies analysis, depositional environments and palaecological conditions of the Lower Carboniferous carbonate ramp in the Sanandaj- Sirjan zone, Iran

F. Shirezade Esfahani; A. Bayet-Goll; N. Kohansal Ghadimvand; A. Kangazian; A. Akbari Mohammadi; M. Sadri

Volume 28, Issue 111 , May 2019, Pages 289-300

https://doi.org/10.22071/gsj.2019.88505

Abstract
  The carbonate successions (Tournaisian-Visean) exposed in the Tang-e-Darchaleh and Banarizeh sections from Sanandaj-Sirjan Zone (SSZ), Iran, have been used to generate a facies model. From the analysis of facies and their associations, four depositional zones are recognized on the Tournaisian-Visean ...  Read More

Original Research Paper
The structural analysis of Boshruyeh Kooh-e-Ahan area, South Khorasan

M. Jamali; M. R. Ghassemi; M. Lotfi; A. Solgi

Volume 28, Issue 111 , May 2019, Pages 301-310

https://doi.org/10.22071/gsj.2019.88510

Abstract
  Kuh-e-Ahan is a high-standing single relief within a rather flat plain, which is located in the north of the Tabas block, near the intersection of the Nayband and Kalmard faults and there are  great outcrops of  fe-oxide, along with eastern-western faults and fractures in Kooh-e-Ahan area.. ...  Read More