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)
Petrology
Evaluation of impact processes in the formation of Neshveh volcanic rocks, NW Saveh

Mehdi Rezaei-Kahkhaei; Dariush Esmaeily; Hanieh Sahraei

Volume 28, Issue 109 , September 2018, , Pages 285-294

https://doi.org/10.22071/gsj.2017.91461.1190

Abstract
  Neshveh volcanic rocks located in the NW Saveh are parts of the Uromeyeh-Dokhtar magmatic arc. The rocks are mainly basalt, basaltic andesite, andesite and trachyandesite in composition. Petrographical studies represent some evidences for the lack of equilibrium between crystals and magma, such as sieve ...  Read More

Petrology
Geochemistry and fractal analysis of enclaves in the Dehe Bala granodioritic pluton in order to investigate magma hybridization processes

Z. Gharamohammadi; A. Kananian; M. Eliassi

Volume 26, Issue 103 , June 2017, , Pages 295-308

https://doi.org/10.22071/gsj.2017.46604

Abstract
  The Dehe Bala pluton is exposed approximately 45 km south-west of Boein Zahra town, Qazvin province. This pluton includes several mafic microgranular enclaves (MMES) with ellipsoidal and rounded shapes and varying sizes (from a few centimeters up to 30 cm). The MMEs are composed of diorite, monzodiorite ...  Read More

Petrography, Geochemistry and Origin of Volcanic Rocks in Northeast of Kerman City

M Refoseh; A Shaker Ardakani; H Ranjbar

Volume 24, Issue 96 , September 2015, , Pages 97-107

https://doi.org/10.22071/gsj.2015.41692

Abstract
  Volcanic, sub-volcanic (dyke) and pyroclastic (agglomerate and tuff) rocks of Eocene age are located in the Kalmard block in the north and northeast of Kerman City. Petrographically, the lavas are basalt, andesite, rhyodacite and rhyolite, whereas the dykes and pyroclastic rocks are andesite and crystal ...  Read More

Petrology and Petrogenesis of Mafic Igneous Rocks in Mashiran, North of Meshkinshahr

M Poosti; M Fadaeian

Volume 24, Issue 96 , September 2015, , Pages 201-213

https://doi.org/10.22071/gsj.2015.41750

Abstract
  The study area is  located in the Ardabil province and in the north of Meshkin shahr town. A large part of the areais  formed of  Eocene igneous rocks. These rocks include basaltic andesite, basalt, tephrite and  occasionally analcimite. They are silica saturated or relatively saturated. ...  Read More

Compositional Zoning in Feldspars of the Kuh-e Dom Intrusive Rocks

F Sarjoughian; A Kananian; J Ahmadian

Volume 24, Issue 93 , December 2014, , Pages 133-146

https://doi.org/10.22071/gsj.2014.43554

Abstract
  The alkali feldspars and plagioclases in the Kuh-e Dom intrusive rocks show compositionally and microtexturally zoning structure. The feldspar crystals in the various lithologies such as granite- granodiorite samples, diorite- gabbro samples and relatively high frequency microgranular mafic enclaves ...  Read More

The Investigation of Alteration Zones and Magma Mixing In Kahang Exploration Area

M Farmahini Farahani; A Khakzad; H Asadi Harooni; M.H Emami

Volume 24, Issue 93 , December 2014, , Pages 183-195

https://doi.org/10.22071/gsj.2014.43558

Abstract
  Kahang copper and molybdenum mine is located in Esfahan province and 10 Km far from the east of Zefreh town that is on Urumieh-Dokhtar volcanoplutonic belt. The Kahang region is an alteration and breccia zone. Generally, hydrothermal fluids have affected more than % 90 of rocks of this region. These ...  Read More

Petrogenesis of Akapol granitoidic intrusion Kelardasht area

M.A Sajadi Nasab; M Vosoughi Abedini; M.H Emami; M Ghorbani

Volume 23, Issue 91 , June 2014, , Pages 215-229

https://doi.org/10.22071/gsj.2014.43824

Abstract
  The studied granitoidic intrusion with about 50 km2 area is located in the SW of Kelardasht, one of the regions in MazandaranProvince. It is one of the pluton masses of the Central Alborz structural zone. The mass has an age between 54±4 and 56±3 million years (late Paleocene to early Eocene) ...  Read More

Using Numerical Modeling for Estimation of Rate of Nucleation and Growth Time of Plagioclase Microlites from Quaternary Gandom Beriyan Basaltic Flows, NE of Kerman

D. Raeisi; S. Dargahi; H. Moeinzadeh; M. Arvin

Volume 22, Issue 85 , December 2013, , Pages 199-204

https://doi.org/10.22071/gsj.2012.54042

Abstract
  Gandom Beriyan, as a part of Quaternary volcanism of Iran, is a kind of messa which is covered by very dark lava flows. The flows are generally fresh to rarely altered alkali olivine basalts and cover an area around 480 km2 in southern part of the Lut desert in northeast of Kerman. The common textures ...  Read More

Magmatic Origin and Tectonic Setting of the Eocene - Oligocene Volcanic and Plutonic Rocks from the Zand-Abad Area, NW Ahar (Tarom-Qaredagh Zone)

Z. Azimzadeh; M. H. Emami; R. Hajialioghli

Volume 20, Issue 79 , January 2011, , Pages 113-120

https://doi.org/10.22071/gsj.2011.55053

Abstract
  The Zand-Abad area is located in NW Ahar of north Azerbaijan. Magmatic rocks in this area consists of granitoids including monzogranite, granodiorite, monzonite and syenogranite as well as mafic rocks mainly diorite and associated extrusive rocks as andesite, trachyandesite, dacite, trachydacite, rhyolite. ...  Read More

The Using of Field and Microstructural Evidences in Determination of the Origin of Magmatic Enclaves and Metapelitic Xenoliths in Malayer Plutonic Complex (West Of IRAN)

R. Deevsalar; M.V. Valizadeh

Volume 19, Issue 76 , January 2010, , Pages 9-15

https://doi.org/10.22071/gsj.2010.55635

Abstract
  The results of field studies (i.e. shape, dimensions, spatial distribution, condition of enclaves and xenoliths in the host rocks at available outcrops) experimental observations (i.e. petrographical and microstructural study of enclaves and xenoliths and whole rock geochemistry of magmatic encalves) ...  Read More

Petrogenesis, Geodynamics and Radiometric Age Dating of Safakhaneh Mass, Northwest of Iran

M. H. Kholghi; M. Vossoughi Abedini

Volume 17, Issue 66 , February 2008, , Pages 24-39

https://doi.org/10.22071/gsj.2008.57631

Abstract
       Safakhaneh batholith, situated at 47 km southwest of Shahin Dezh, northwest of Iran, is located in the central Iran structural zone intersecting the Cretaceous rocks. The absolute age of the batholith, determined for the first time by K – Ar method, has been calculated ...  Read More

Petrography, Geochemistry, and Petrogenesis of Lava Flows and Dykes in Abaregh Area (Kerman Province)

A. Zahedi; H. Ahmadipour

Volume 17, Issue 68 , February 2008, , Pages 130-139

https://doi.org/10.22071/gsj.2009.57852

Abstract
       The Abaregh area is located in 40 km northwest of Bam city in Kerman province. Rock units of the region consist of lava flows and dikes that crop out along a fault system trending NS. Mineralogically, the rocks contain plagioclase, augite, hypresthen, and minor olivine. Heterogenous ...  Read More