Volume 31 (2021)
Issue 3
Volume 31, Issue 3, Serial Number 121, Autumn, 2021
Issue 2
Volume 31, Issue 2, Serial Number 120, Summer 2021
Issue 1
Volume 31, Issue 1, Serial Number 121, Spring, 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)
Original Research Paper Petrology
1. Mineralogy, geochemistry and protolith of Neoproterozoic gneisses in Ghoshchi (North Urmia)

Mahsa Jamshidnia; manijeh Asadpour; Masoumeh Ahangari

Volume 31, Issue 1 , Spring 2021, Pages 1-12

http://dx.doi.org/10.22071/gsj.2020.221987.1766

Abstract
  Qushchi gneisses in the north of Urmia city are a part of magmatic-metamorphic complex in NW of Sanandaj-Sirjan zone. Gneiss, with eldsparses and schist, form Precambrian basement of the area. These rocks contain lipidogranoblastic, augen, porphyroblastic and myrmekite textures, and composed of quartz+ ...  Read More

Original Research Paper Sedimentology
2. Primary mineralogy of Dalichai carbonate formation and separation of upper boundary with Lar formation based on geochemical studies in northeast of Semnan

Elmira Shahkaram; Mohammad Hosein Adabi; Davood Jahani; Seyed Hamid Vaziri

Volume 31, Issue 1 , Spring 2021, Pages 13-24

http://dx.doi.org/10.22071/gsj.2019.188226.1661

Abstract
  The Dalichai Formation is the first rock unit of the Middle Jurassic in the Alborz sedimentary basin that has occurred in a marine environment. The boundary of the Dalichai formation with Shemshak Formation is erosional unconformable while it is concordant with Lar formation. Due to lithological similarity, ...  Read More

Original Research Paper Petrology
3. Introduction and characterization of Neogene volcanic eruptions in the Parizarea (Kerman province) and their petrological features using pyroclastic deposits

Maryam Daieparizi; Hamid Ahmadipour; Abbas Moradian

Volume 31, Issue 1 , Spring 2021, Pages 25-36

http://dx.doi.org/10.22071/gsj.2020.195831.1683

Abstract
  In the Pariz area, (Kerman province), there are special deposits and in the geological maps, they have introduced as detrital unconsolidated Neogene Conglomerates (Ng). Detailed field observations of these deposits in this study showed that they are pyroclastic deposits from the post Eocene unknown explosive ...  Read More

Original Research Paper Stratigraphy and Palaeontology
4. Micro biostratigraphy and paleo environment of Oligo-Miocene deposits in north of central Iran

shahram navavajary; Iraj Maghfouri Moghaddam; Ali Reza Shahidi; Hamid Nazari

Volume 31, Issue 1 , Spring 2021, Pages 37-50

http://dx.doi.org/10.22071/gsj.2020.243135.1833

Abstract
  Oligo-Miocene rocks are deposited between Pyrenean and Pasadenian orogenic phases. This rocks in central Iran back arc deposits are named Qom formation. There are well developed outcrops of Qom formation at the North of Central Iran zone. In order to study microbiostratigraphy of the formation, Three ...  Read More

Original Research Paper Economic Geology
5. Geochemistry and tectonomagmatic setting of volcanic rocks of Qoyjeh Yeylaq area (South of Qeydar), Zanjan Province

Hossein Bagherpour; Mir Ali Asghar Mokhtari; Hossein Kouhestani; Ghasem Nabatian

Volume 31, Issue 1 , Spring 2021, Pages 51-62

http://dx.doi.org/10.22071/gsj.2019.152998.1555

Abstract
  Qoyjeh Yeylaq volcanic rocks is located approximately in the 120 km southwest of Zanjan, within the Central Iranian zone. The rock units in this area belong to the Cenozoic which consist of mainly Oligo-Miocene volcanic (Basaltic- andesitic lavas) and sedimentary rocks. Based on geochemical classification, ...  Read More

Original Research Paper Geophysics
6. Assessment of the physical variations)heat and salinity) of climate changes in the Persian Gulf Field data and Numerical Simulation

safieh farrokhi mogaddam; Abbas Alli Alli akbari bidokhti; Farhang Ahmadi givi; Mojtaba Ezam

Volume 31, Issue 1 , Spring 2021, Pages 63-70

http://dx.doi.org/10.22071/gsj.2018.133956.1484

Abstract
  Salinity and water temperature are considered as important characteristics of water of different seas. The absolute values and variability of them in time and space determine life sustainability conditions, development of plants and animals and also types of human activity in seas. Water temperature ...  Read More

Original Research Paper Petrology
7. Whole rock chemistry, dating and tectonomagmatic setting of metagabbros from Qotur area, NW-Iran

Mohammad Saadat; Robab Hajialioghli; Mohssen Moazzen

Volume 31, Issue 1 , Spring 2021, Pages 71-84

http://dx.doi.org/10.22071/gsj.2019.150091.1543

Abstract
  The Qotur metamorphic complex in west of Khoy is consist of various metamorphic rocks including of metabasites, metapelitic and meta-calcareous rocks and serpentinites. The metagabbros form main outcropping rocks in the area. Plagioclase and pyroxene are the main porphyroclasts of metagabbros. Epidote, ...  Read More

Original Research Paper Hydrology
8. Assessment of groundwater quality in North Quchan plain (Khorasan Razavi Province); implication for drinking and industrial usage

Mohamad Hosein Mahmudy Gharaie; Najmeh Rokhashmah; Asadollah Mahboubi; Seyed Reza Moussavi Harami

Volume 31, Issue 1 , Spring 2021, Pages 85-96

http://dx.doi.org/10.22071/gsj.2019.112446.1360

Abstract
  The aims of this study are water quality assessment for drinking and industrial usages with refer to affective factors on water chemistry in North of Quchan plain, Razavi Khorasan province. 17 groundwater samples were collected for major cations (Ca2+, Na+, Mg2+, K+) and anions (HCO3-, SO42-, Cl-) analysis. ...  Read More

Original Research Paper Petrology
9. Geochemistry and petrogenesis of mafic volcanic rocks from Kahak area (Urumieh-Dokhtar magmatic arc)

Sakine Moradi; Muhammad Reza Ghorbani; Shao- Yang Jing

Volume 31, Issue 1 , Spring 2021, Pages 97-110

http://dx.doi.org/10.22071/gsj.2020.217506.1754

Abstract
  The Kahak mafic volcanic rocks in the central part of the Urumieh-Dokhtar Magmatic Arc are composed of ‎basalts‏ ‏and‏ ‏basaltic ‎andesite and show sub alkaline to transitional affinity. They are calc-alkaline based on the tholeiitic index (THL). U-‎Pb zircon dating ‎yields ...  Read More

Original Research Paper Tectonics
10. Structural Analysis Sirri Oil Field, Using Seismic And Well Logging Data

shima afkhami; Ahmad Alavi; Mohammad Reza Yamini; Mohamad Reza Ghasemi

Volume 31, Issue 1 , Spring 2021, Pages 111-120

http://dx.doi.org/10.22071/gsj.2020.197278.1702

Abstract
  The main purpose of this study is to investigate and structureral analyzes of Sirri oil field by subsurface geophysical data. In order to Seismic interpretation from 3 seismic lines (LL3, LL4 and LL5) picked up by Iranian Offshore Oil Company and SIC-1 well Data was used. In addition to interpreting ...  Read More

Original Research Paper Economic Geology
11. To view on evolution of primary texture of Aliabad chromite (NE Forumad), petrogenesis and tectonic setting

Kolsoum Fani Chenar; Mansour Ghorbani; Reza Kohansal; Jamshid Lotfian

Volume 31, Issue 1 , Spring 2021, Pages 121-134

http://dx.doi.org/10.22071/gsj.2019.112928.1365

Abstract
  Ali abad chromites mines (north east of Forumad) are as a part of chromites assemblage dependent on ophiolite Sabzevar that are located in NW Sabzevar city. Chromitites deposits in these mines have been located as irregular lenses and layered or banded along with pods of dunite in depleted harzburgite. ...  Read More

Original Research Paper Petrology
12. Geochemistry and tectonic setting of the Garmab ophiolitic complex, Northeast of Kamyaran

Ayoub Veisinia; Mohammad Ebrahimi; Bahman Rahibzadeh; rasoul Esmaeili

Volume 31, Issue 1 , Spring 2021, Pages 135-148

http://dx.doi.org/10.22071/gsj.2019.147061.1528

Abstract
  Kamyaran ophiolitic complex located in the northeast Zagros orogeny along the crush zone between Arabian-Iranian plates. This complex outcropped between the Harsin ophiolites in southeast and Sarwabad ophiolite in northwest. Field observation reveal the fact that the Garmab Ophiolite in the northeast ...  Read More

Original Research Paper Economic Geology
13. Mineralogy, geochemistry and geothermometry of chlorite in Malvak area(South of Malayer-Iran)

Seyevahid Shahrokhi

Volume 31, Issue 1 , Spring 2021, Pages 149-162

http://dx.doi.org/10.22071/gsj.2020.211497.1734

Abstract
  The chemical composition of chlorite group minerals show that physicochemical condition of crystallization and their formation. The chemical analysis of chlorite from biotite alteration has done based on 30 points of 8 rock samples by electron microprobe. The composition of chlorite samples is located ...  Read More

Original Research Paper Hydrology
14. Evaluation of Accuracy of Hybrid Model of Gene Expression Planning - Fuzzy Logic in Estimation of Land Subsidence Risk

Ghazaleh Mohebbi Tafreshi; Mohammad Nakhaei; razieh Lak

Volume 31, Issue 1 , Spring 2021, Pages 163-172

http://dx.doi.org/10.22071/gsj.2019.200057.1696

Abstract
  Land subsidence is a nonlinear and complex process that data-driven computational intelligence models can model it. In this study, the accuracy and efficiency of hybrid fuzzy logic gene expression planning hybrid model in estimating land subsidence risk and its factors in Varamin aquifer standardized. ...  Read More

Original Research Paper Economic Geology
15. Mineralization, fluid inclusion and sulfur isotope studies in The Gardane-Shir Pb-Zn deposit ,Ardestan,Isfahan Province

Fatemeh Sabahi; Mohammad Lotfi; Peyman Afzal; nima nezafati

Volume 31, Issue 1 , Spring 2021, Pages 177-186

http://dx.doi.org/10.22071/gsj.2018.115540.1377

Abstract
  Gardaneshir carbonate-hosted Pb-Zn deposit on the ground of study area located southwest of Ardestan in Isfahan province. Base on lithostratigraphy,the main structure, besides the small outcrops of Jurassic shales, has been made up of carbonate and detrital rock materials depending on Paleozoic,Triassic ...  Read More

Original Research Paper Exploration and Mining
16. Evaluation of Relation between Sedimentary Rocks Age and Durability of Them in Deteriorate Environments

Iraj Rahmani; Erfan Sadeghi; Mohammad Reza Nikoodel

Volume 31, Issue 1 , Spring 2021, Pages 187-198

http://dx.doi.org/10.22071/gsj.2020.224788.1777

Abstract
  Sedimentary rocks are the most common rocks exposed on the Earth’s surface and most of the civil structures are located on them, so the identification of these rocks have great importance. This recognition is more important in destructive environments such as beaches. One of the most important ...  Read More

Original Research Paper Tectonics
17. Seismotectonics of the East Alborz and Kopeh- Dagh zones using local seismic network data

M. Kouhpeyma; M. Talebian; L. Chen; A. Ghods; M. Ghorashi

Volume 31, Issue 1 , Spring 2021, Pages 199-208

http://dx.doi.org/10.22071/gsj.2021.131130

Abstract
  The Kopeh Dagh and Binalud-Alla Dagh mountains are important structural elements located in the northeastern boundary of Arabia-Eurasia collision zone. Due to existence of large cities with a long history of civilization, there is a relatively rich body of data on historical seismicity in this area. ...  Read More

Original Research Paper Stratigraphy and Palaeontology
18. Biozonation and paleobathymetry of the Gurpi Formation in the Dasht-e Arjan section , Zagros area , based on foraminifera

Arash shabanpour Haghighie; Lida Bakhshandeh; Tayebeh Mohtat; Masood Zamanipedram; Seyed hamid Vaziri

Volume 31, Issue 1 , Spring 2021, Pages 209-220

http://dx.doi.org/10.22071/gsj.2018.104795.1311

Abstract
  In this research the Gurpi Formation in the Zagros Basin outcropping in the Dasht-e Arjan section, Shiraz province ,for the purpose of biozonational and Paleobathymetric studies were investigated. The thickness of these sediments is about 130 m and consists of Limestones and Shales.To determine the palaeobathymetry ...  Read More