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)
Economic Geology
Mineralization, geochemistry and fluid inclusion studies of silicic veins in Sarikhanloo area, NW Meshgin Shahr, NW Iran

Hadi Mohammadian; vartan simmonds; kamal Siahcheshm

Volume 32, Issue 1 , March 2022, , Pages 119-136

http://dx.doi.org/10.22071/gsj.2021.253954.1856

Abstract
  The Sarikhanloo area is located within the Qaradagh metallogenic zone in northwest Meshgin Shahr. Igneous rocks cropped out in this area include successions of Paleocene-Eocene pyroclastic rocks (tuff and andesitic-dacitic lavas with intercalations of ignimbrite) and basaltic andesite lava flows. Igneous ...  Read More

Remote Sensing
Combination of Remote Sensing and Fractal Modeling for Identification of Alteration Zones in Tirka Area, NE Iran

Mina Zamyad; Peyman Afzal; Mohsen Pourkermani; Reza Nouri; Mohammadreza Jafari

Volume 31, Issue 4 , December 2021, , Pages 57-68

http://dx.doi.org/10.22071/gsj.2021.242384.1827

Abstract
  Tirka area is situated in NE Iran as a part of the TCMB which consists of Paleogene sediments and volcanic rock units with a combination of Eocene intermediate to basic rocks. The research aim is to determine the alteration zones using C-N fractal model based on ASTER satellite images. First, the ASTER ...  Read More

Geology, alteration, mineralization and geochemistry of the North Narbaghi epithermal Ag-Cu deposit, northeast Saveh

Negin Fazli; Majid Ghaderi; David Lentz; Jianwei Li

Volume 28, Issue 112 , August 2019, , Pages 13-22

http://dx.doi.org/10.22071/gsj.2018.97142.1246

Abstract
  The North Narbaghi deposit is located approximately 26 km northeast of the city of Saveh in the central part of Urumieh-Dokhtar magmatic arc of Iran. In this area, the Oligo-Miocene intrusive rocks cut the Eocene volcano-sedimentary rocks intruding into the surrounding rocks causing extensive alteration ...  Read More

Economic Geology
Studying the genesis of tourmaline and behaviour of rare earth elements during formation of tourmaline in Shirbit Area (Northeast Ahar, East Azarbaijan)

Mitra Eftekhari; Mohammad reza Hosseinzadeh; Mohsen Moayyed

Volume 27, Issue 108 , September 2018, , Pages 67-74

http://dx.doi.org/10.22071/gsj.2017.81093.1078

Abstract
  The Studied area is located in vicinity of the Sherbit village, about 28 km to the northwest of Ahar (in Eastern Azerbaijan province. Quartz monzonite intrusion is the host rock of hydrothermal tourmaline in this area. On the basis of their textural features, the tourmalines can be divided into four ...  Read More

Rare earth elements geochemistry of alteration system of the Basir-Abad area, Northeast of Ahar, NW Iran

A Abedini

Volume 26, Issue 101 , December 2017, , Pages 173-182

http://dx.doi.org/10.22071/gsj.2016.41065

Abstract
  The Basir-Abad area (northeast of Ahar, East-Azarbaidjan province) is a part of the Cenozoic Ahar-Arasbaran magmatic belt in northwest of Iran. Intrusion of granitic and granodioritic igneous rocks of Oligocene age into the Eocene volcanic rocks (andesite, trachy-andesite, andesi-basalt and basalt) resulted ...  Read More

Structure, Texture, Mineralogy and Genesis of Sulphide Ore Facies In Tappehsorkh Detrital-Carbonate-Hosted Zn-Pb-(Ag) Deposit, South of Esfahan

M Boveiri Konari; E Rastad; M Rastad; A Nakini; M Haghdoost

Volume 25, Issue 97 , December 2016, , Pages 221-236

http://dx.doi.org/10.22071/gsj.2015.41507

Abstract
  Tappehsorkh Zn-Pb-(Ag) deposit, hosted by Lower Cretaceous siltstone, tuff and dolomite, is located in the northern part of the Irankuh mountain range, south of Esfahan. Sulphides in this ore have a relatively simple mineralogy including sphalerite, galena, tetrahedrite, pyrite and to a lesser extent, ...  Read More

Petrology, Geochemistry and Alteration at the Polymetalic (Cu- Pb- Zn) Vein and Veinlet Mineralization in the Lubin- Zardeh Area, North East Zanjan

M.R Hosseinzadeh; S Maghfouri; M Moayyed; M Lotfehnia; B Hajalilou

Volume 24, Issue 96 , September 2015, , Pages 41-52

http://dx.doi.org/10.22071/gsj.2015.41672

Abstract
  The studied area is located in Tarom metallogenic zone (NW of Iran). This area illustrate widespread hydrothermal alteration and disseminated and vein-veinlet type copper, lead and zinc mineralization.Injection of qm Intrusive body into Eocene volcano clastic complex (Karaj Formation) along linear Faults ...  Read More

Mineralogy and Hydrothermal Alteration of the Epithermal Vein System at the Motrabad Prospect, NE Iran

M. H. Ahmadi; G.H Shamanian; H. Azmi

Volume 22, Issue 88 , December 2013, , Pages 155-164

http://dx.doi.org/10.22071/gsj.2013.53689

Abstract
  The Motrabad vein system is located 30 Km southwest of Bajestan in the northern part of the Lut Block. The vein host rocks consist of intermediate to silicic volcanic rocks. The mineralization occurs as irregular veins, veinlets and hydrothermal breccias. Based on field geology and textural evidences ...  Read More

The Study of Mass Changes during Hydrothermal Alteration in the Astaneh Granitoid (SW of Arak)

D. Esmaeily; S. Z. Afshooni

Volume 18, Issue 71 , January 2009, , Pages 97-104

http://dx.doi.org/10.22071/gsj.2010.56996

Abstract
  The Astaneh granitoid massif in the Sanandaj-Sirjan zone, covering an area of about 30 km2, located in 40 km to Arak city, is mainly composed of granodioritic rocks. They are widely affected by hydrothermal alteration and six alteration zones including phyllic (sericitic), chloritic, propylitic, argillic, ...  Read More