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
Petrography and geochemistry of Zardkuh igneous complex, Southeast of Iranshahr

Mostafa Delkhah; Habib Biabangard; Hamedreza Soloki

Volume 31, Issue 2 , September 2021, , Pages 189-198

http://dx.doi.org/10.22071/gsj.2020.222312.1767

Abstract
  Zardkuh igneous complex is located in 35 km Southeast of Iranshahr and is geologically situated flysh zone and the Sistan-suture zone. Rock units in the area are Ophilitic rocks (upper Cretaceous), Eocene flysh and Oligomiocene intrusive and extrusive rocks (Zardkuh igneous complex). Patterns of minor ...  Read More

Petrology
The origin, magma evolution and tectonic setting of southeast of Jebal-E-Barez granitoid, Bam, Kerman province

Shirin Behpour; Abbas Moradian; Hamid Ahmadipour

Volume 29, Issue 116 , August 2020, , Pages 203-212

http://dx.doi.org/10.22071/gsj.2019.149299.1538

Abstract
  The studied area is located in the SE of Bam and Urumieh-Dokhtar Magmatic Arc. Based on petrographical and geochemical characteristics, studied rocks contain tonalite, granodiorite, granite and alkali granite. These rocks are metaluminous, weakly peraluminous, high-K, and calc-alkaline. The behavior ...  Read More

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

Geochemistry, petrogenesis and tectonic setting of the Sarcheshmeh Eocene mafic lava flows, Southwest of Rafsanjan

S.Z Hosseini

Volume 25, Issue 100 , September 2016, , Pages 209-220

http://dx.doi.org/10.22071/gsj.2016.42264

Abstract
  The Eocene mafic lava flows of Sarcheshmehare cropped out in the southwest of Rafsanjan area at the central part of the Urmia – Dokhtar magmatic belt. The rocks are basalt, basaltic andesite and andesite in composition and consist of clinopyroxene + plagioclase ± olivine ± hornblende phenocrysts. ...  Read More

Petrology and Petrogenesis of Alkaline and Calc-Alkaline Lamprophyres in the NW Iran

M Aghazadeh; Z Badrzadeh

Volume 24, Issue 94 , March 2015, , Pages 87-102

http://dx.doi.org/10.22071/gsj.2015.42745

Abstract
  In the northwestern Iran mica-and amphibole-rich lamprophyres crop out mainly as dyke and they cut Pre-Pliocene strata. They exposed in the Arasbaran, EslamyPeninsula, and Mishu range. According to the mineralogy and mineral chemistry, amphibole-rich lamprophyres have kaersutite type amphiboles and diopside ...  Read More

Mineralogy and Geochemistry of Rare Earth Elements in Iron Oxide – Apatite Deposits of the Zanjan Region

Gh Nabatian; M Ghaderi

Volume 24, Issue 93 , December 2014, , Pages 157-170

http://dx.doi.org/10.22071/gsj.2014.43556

Abstract
  Iron oxide - apatite deposits are one of the most important REE resources that occurred in the Posht-e-Badam and Zanjan regions of Iran. REE mineralization in the Zanjan region is associated with Sorkhe Dizaj, Aliabad, Morvarid, Zaker, Oskand and Golestanabad iron oxide-apatite mineralization. The deposits ...  Read More

Study and Comparison of Miocene-Quaternary Volcanoes In NW of Iran, Lesser Caucasus and SE of Anatolia: Geochemistry, Source and Tectonic Setting

J Ghalamghash; R Chaharlang

Volume 24, Issue 93 , December 2014, , Pages 171-182

http://dx.doi.org/10.22071/gsj.2014.43557

Abstract
  The Late Miocene- Quaternary volcanoes including Sahand, Ararat, Nemrut, Suphan, Tendurek and Lesser Caucasus volcanoes in the Arabia-Eurasia collision zone, are studied in this paper. The volcanoes have been erupted pyroclastic materials and lava flows with basaltic to rhyolitic composition, in several ...  Read More

Petrology of Eocene Volcanic Rocks in the East of Sanandaj

H. Azizi; A. Akbarpour

Volume 19, Issue 74 , February 2010, , Pages 21-26

http://dx.doi.org/10.22071/gsj.2010.57314

Abstract
  Volcanic rocks with mainly andesite composition and lenzoid form outcropped in the Eocene sedimentary host rocks in the east of Sanandaj. Field studies confirm that they are intercalation with the sedimentary host rocks. In thin section, those have porphyritic, glomoroporphyric microlithic and microlithic ...  Read More

The Plio-Quaternary Calc-Alkaline Magmatism in Azerbaijan (NW Iran) and Comparison with Similar Magmatism in Eastern Turkey

N. Amel; M. Moayyed; A. Ameri; M. Vosoghi Abedini; M.H. Emami; M. Moazzen

Volume 18, Issue 70 , February 2009, , Pages 52-67

http://dx.doi.org/10.22071/gsj.2009.57373

Abstract
         The Plio-Quaternary calc-alkaline magmatism in Azerbaijan, northwest Iran, occurs as stratovolcanoes, lava flows and domes consisting of andesitic basalts, andesites, dacites, rhyodacites, and pyroclastic materials. The volcanic rocks unconformably cover the Miocene sedimentary ...  Read More

Petrography, Geochemistry, Genesis and Tectonic Setting of Bibi Maryam Granitoid (Afzal Abad-Nehbandan)

S. S. Mohammadi; M. Vossoughi Abedini; M. Pourmoafi; M. H. Emami; M. M. Khatib

Volume 16, Issue 63 , March 2007, , Pages 60-71

http://dx.doi.org/10.22071/gsj.2008.58440

Abstract
  Bibi Maryam Granitoid body with 5 km2 exposure area is located in the east Iranian ophiolite mélange belt in Sistan suture zone. This intrusive body consists of tonalite- quartzdiorite and granodiorite. The main mafic minerals are hornblende and biotite in quartzdiorite-tonalite. Existence of ...  Read More