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
Mineral chemistry, thermobarometry and genesis of clinopyroxenes in Silurian mafic metavolcanic rocks of Maku, North West of Iran

Farzaneh ValinasabZarnagh; Mohsen Moayyed; Ahmad Jahangiri; Hossein Azizi

Articles in Press, Corrected Proof, Available Online from 16 February 2022

http://dx.doi.org/10.22071/gsj.2022.307112.1944

Abstract
  There are discontinuous outcrops of volcanic rocks in the West Azarbaijan province and in the north of Maku city. These volcanic complex were bimodal and compose of acidic and basic lava and pyroclastic rocks. Mineral chemistry studies show that clinopyroxenes in the studied rocks are diopside. These ...  Read More

Petrology
Petrography and mineral chemistry of xenoliths in dyke swarm of Northeastern of Meshkinshahr

Mohammad Fadaeian; Amin Allah Kamali; Kourosh Mohammadiha

Articles in Press, Corrected Proof, Available Online from 15 March 2022

http://dx.doi.org/10.22071/gsj.2022.313637.1948

Abstract
  The study area is located in Ardabil province and northeast of Meshkinshahr city and structurally in Alborz-West-Azerbaijan zone. Tephritic dykes have pyroxenite and gabbro xenolites. Mineralogy of tephritic dykes and xenolites includes plagioclase, clinopyroxene, analcime, amphibole, olivine and phlogopite. ...  Read More

Petrology
Petrography and Application of mineral Chemistry and thermobarometry of amphibolites in Jandaq Metamorphic Complex: Evidence of Paleo-tectonic events in Central Iran

Arefeh Heidarianmanesh; Seyed Mohsen Tabatabaimanesh; Nargess Shirdashtzadeh

Articles in Press, Accepted Manuscript, Available Online from 24 July 2022

http://dx.doi.org/10.22071/gsj.2022.329201.1981

Abstract
  Based on field observation and petrographic evidence, by progress in metamorphic degrees, a wide variety of metabasites have formed following the metamorphism at amphibolite facies (metamorphism M1) in the east of Jandaq. Thermobarometry of plagioclase- amphibole pairs indicate temperature ranges were ...  Read More

Petrology
Mineral Chemistry and thermobarometry of biotite in Youseflo pluton,NW Iran

Elahe Namnabat; Mansour Ghorbani; Seyed hassan Tabatabaei

Volume 29, Issue 115 , June 2020, , Pages 87-96

http://dx.doi.org/10.22071/gsj.2019.152596.1552

Abstract
  The Youseflo pluton, a part of Ahar - Arasbaran magmatic belt, is located in south east of Ahar city in north east of East Azarbayejan province of Iran. The pluton is mainly composed of quartz monzonite, granodiorite and granite, however, the major investigated rock is granodioritic in composition. Quartz, ...  Read More

Petrology
Mineral chemistry and geothermobarometry of xenoliths within Peliocene volcanic rocks from the Ghikhlar area (Northwest of Marand, NW Iran)

Mohsen Moayyed; Mohamad Amin Safikhani; Robab Hajialioghli; Nasir Amel; Ahmad Jahangiri

Volume 29, Issue 114 , December 2019, , Pages 153-164

http://dx.doi.org/10.22071/gsj.2019.125627.1435

Abstract
  The study area is located at the Mishow mountain ranges in NW Marand town. The main outcropping rocks are Pliocene volcanic and volcaniclastic rocks. Lamprophyre, mica pyroxenite, amphibolite and carbonate rocks occure as xenoliths within andesites. The main rock forming minerals for lamprophyre xenolith ...  Read More

Mineral chemistry, thermobarometry KoheSiah volcanic complex,using the mineral chemistry of amphibole-biotite (North East Qorveh, Kurdistan )

somaye kazemi koohbanani; seyed jamal sheikh zakariai; mohammad hashem emami; Rahim Dabiri

Volume 28, Issue 112 , August 2019, , Pages 23-32

http://dx.doi.org/10.22071/gsj.2018.95763.1230

Abstract
  KoheSiah volcanic complex is in north east of Qorveh in the Kurdistan province and in Sanandaj-Sirjan zone.The age of the studied region rocks are related to the quaternary time. Set volcanic cone with a crater that has been identified as unspecified and are an average height of 2157 meters above sea ...  Read More

Emplacement and evolution of the Alvand batholith in the shallow level of crust, Hamedan, West of Iran

H. Shahbazi; H. Barjasteh; A. A. Sepahi; A. Mottaghi Tavana

Volume 28, Issue 110 , December 2018, , Pages 67-78

http://dx.doi.org/10.22071/gsj.2019.84267

Abstract
  The Alvand batholith is located in the south of the Hamedan city and in the northern part of the Sanandaj-Sirjan metamorphic zone. Porphyroid granite, quartz diorite and diorite are formed rock members of the mesocratic granitoids in the Alvand plutonic complex. Porphyroid coarse-grained granites make ...  Read More

Petrology
Thermobarometry and tectonic setting of Gasht-e-Rudkhan metapelites, Gasht metamorphic complex, west of Rasht

Soghra Razaghi; mohsen nasrabady; Kazem Gholizadeh; Zeinab Davoodi

Volume 27, Issue 108 , September 2018, , Pages 269-280

http://dx.doi.org/10.22071/gsj.2017.77110.1024

Abstract
  The Gash metamorphic complex is situated at the west of Rasht city. Gasht-e-Rodkhan metamorphic rocks are considered as a part of this metamorphic complex. Metapelites (schist, gneiss and migmatite) are the most important lithological unit of the Gasht-e-Rodkhan area. Index minerals consist of staurolite, ...  Read More

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

Petrography, thermobarometry and geochemistry of Darreh Deh picrites (East of Nain ophiolitic mélange)

N Shirdashtzadeh; Gh Torabi; R Samadi; T Meisel; S.N Hussain Bokhari

Volume 25, Issue 98 , March 2016, , Pages 43-54

http://dx.doi.org/10.22071/gsj.2016.41159

Abstract
  Picrites are seen within the mantle peridotites in the Darreh Deh area (in the east of Nain ophiolitic mélange). Based on petrography and mineral chemistry, these picrites are composed of olivine (chrysolite), clinopyroxene (diopside) and orthopyroxene (enstatite), showing a cumulate texture, ...  Read More

Mineral Chemistry and Crystallization Pressure and Temperature of the Quartz-Diorites from the Takht-e-Soleyman Area, NW Iran

R. Hajialioghli; A. Jahangiri; M. Moazzen; G.T.R. Droop; R. Bousquet

Volume 18, Issue 72 , January 2009, , Pages 139-144

http://dx.doi.org/10.22071/gsj.2010.57159

Abstract
  The igneous rocks of Takht-e-Soleyman area in the north western Iran crop out in association with the amphibolites. The contact between igneous rocks and amphibolites is sharp. Igneous rocks in the study area are mainly granodiorite, quartz-monzodiorite and quartz-diorite. Plagioclase and hornblende ...  Read More