Volume 34 (2024)
Volume 33 (2023)
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
Geochemistry and petrology of Upper Triassic basic volcanic rocks in the Central Alborz region, south of Pole Sefid

Saeid Samarbakhsh; Mohammad Hashem Emami; Seyed Mojtaba Mortazavi; Mansour Vosoughi-Abedini

Volume 33, Issue 1 , February 2023, , Pages 161-178

https://doi.org/10.22071/gsj.2022.314965.1954

Abstract
  The study area, situated 50 km north of Ghaemshahr, structurally belongs to the Central Alborz tectonic zone. The volcanic rocks of the area, including basalt, andesite, trachyandesite, and dolerite are the products of fractional crystallization and some contamination processes. Clinopyroxene, olivine, ...  Read More

The role of basement and young magmatism in epithermal gold and polymetallic mineralization in Takab-Mahneshan area, NW Iran

Mojgan Salehi Yazdi; Mansour Ghorbani; Nima Nezafati; Mansour Vossoughi Abedini

Volume 32, Issue 3 , September 2022, , Pages 145-158

https://doi.org/10.22071/gsj.2022.307017.1938

Abstract
  Takab-Mahneshan's metallogenic area is essential in gold mineralization, and it is a part of the northern Urmia-Dokhtar magmatic belt. The northern Urmia-Dokhtar has two distinctive features. It contains the Precambrian basement, and the young Mio-Pliocene magmatism rocks overlie its Precambrian basement. ...  Read More

Petrology
Tectonic environment and petrogenesis of igneous rocks of Tashvir area, Tarom mountains, northwest of Iran

Reza Jamal Omidi; Saeid Hakimi Asiabar; Shahrooz Haghnazar; Mansour Vosoghi Abedini

Volume 32, Issue 2 , July 2022, , Pages 105-120

https://doi.org/10.22071/gsj.2022.305126.1936

Abstract
  Tarom mountains are located at the southwestern end of the Alborz mountain range with an approximate northwest-southeast direction. Tashvir region is a part of the northern margin of the Tarom mountains. Most igneous rocks in this area include basalt, andesitic basalt, and interlayers of tuff. Enrichment ...  Read More

Economic Geology
Integration and analysis of geology data and Remote sensing methods for identification and separate of alternations iron ore of kamoo (Meymeh-Isfahan)

jahangir esmaeili; ahmad khakzad; mansor vosoghi abedini

Volume 29, Issue 116 , August 2020, , Pages 15-22

https://doi.org/10.22071/gsj.2018.120307.1419

Abstract
  This area has been located in a scene ETM No. 164-37 and ASTER linear band prediction satellite image No. AST-L1A:002:ASTL1A 0108220733380109011021. Such measured images in different band combinations will be used for extracting of geological structures and types of alterations (iron oxide, Argillite ...  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

https://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