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
1. 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
2. Geochemistry and tectono-magmatic setting of Gezeldash daghi Miocene andesitic lavas (NW Marand), Eastern Azerbijan.

Ismail KhanChuban; Behzad Haj alilou; Mohsen Moayyed; Mohamadreza Hosseinzadeh; Morovat Faridazad

Volume 31, Issue 4 , December 2021, , Pages 29-42

http://dx.doi.org/10.22071/gsj.2021.236969.1810

Abstract
  In the Gezeldash_daghi region, there is a significant outcrop of Miocene volcanic activity with andesitic composition associated with pyroclastic deposits including tuff, breccia and agglomerate. These rocks have porphyry to microporphyry texture with coarse crsytals of pagioclase, and matrix includes ...  Read More

Petrology
3. Petrography and Petrology of early Paleozoic bimodal metavolcanic rocks in North of Maku, North West of Iran

Mohsen Moayyed; Farzaneh ValinasabZarnagh; Ahmad Jahangiri; Hosein Azizi

Volume 30, Issue 118 , January 2021, , Pages 109-122

http://dx.doi.org/10.22071/gsj.2020.196325.1693

Abstract
  there are Discontinuous outcrops of volcanic rocks in the northern regions of Maku. The volcanic rocks were metamorphosed in the green schist facies. These volcanic complex were bimodal and compose of acidic and basic lava and pyroclastic rocks. The lava of this unit covers the Cambrian and equivalent ...  Read More

Sedimentology
4. A new hypothesis on the petrogenesis of Saray volcano with emphasis on formation of Sanidine megacryst, (crystallization in an isolated magma chamber)

Mahdi Ghaderi; Mohsen Moayyed; Nasir Amel; Monire Mojarrad

Volume 30, Issue 117 , December 2020, , Pages 3-16

http://dx.doi.org/10.22071/gsj.2019.177151.1630

Abstract
  The Saray volcano is located on the East of the Urmia Lake. This extinct stratovolcano mainly consists of Leucitite lavas and related pyroclasts. Dykes with composition of Leucite phonolite, Lamprophyre, Trachyte and microsyenite intruded into leucitite. Field evidences indicate that minette and trachytic ...  Read More

Petrology
5. 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

Economic Geology
6. Procedure of Supergene processes with an interpretation from leached capping and oxide enrichment zone in Mahour polymetal deposit, west of Dehsalm

Simindokht Younesi; Mohammadreza Hosseinzadeh; Mohsen Moayyed

Volume 29, Issue 113 , November 2019, , Pages 291-300

http://dx.doi.org/10.22071/gsj.2018.138243.1503

Abstract
  Mineralogy of oxide zone as clue about past climate reveals occurrence of supergene enrichment processes in Mahour Zn-Cu-(Pb-Bi-Ag) mineralization, in central Lut, during two stages: In first stage that supergene processes have occurred from meteoric waters in an arid climate during Oligocene to Upper ...  Read More

Economic Geology
7. 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

8. Mineralogy of Mahour Zn-Cu-(Pb-Bi-Ag) deposit, west of Dehsalm: implications for genesis and mineralization type

S. Younesi; M. R. Hosseinzadeh; M. Moayyed

Volume 27, Issue 105 , December 2017, , Pages 295-308

http://dx.doi.org/10.22071/gsj.2017.53975

Abstract
  The Mahour Zn-Cu-(Pb-Bi-Ag) deposit located in central Lut Block, formed in an intensely crushed fault zone, dominantly in dacite-rhyodacite volcanic-subvolcanic unit of Late Eocene- Oligocene age. Mineralization occurred as veins, veinlets and breccia massive sulfide and/or  as quartz , quartz-carbonate ...  Read More

9. Mineral chemistry and geochemistry of lamprophyric dykes in the Sungun Cu - Mo porphyry deposit (Varzaghan- Northwestern Iran)

A Kamali; M Moayyed; N Amel; M.R Hosainzadeh

Volume 26, Issue 102 , March 2017, , Pages 73-90

http://dx.doi.org/10.22071/gsj.2017.44123

Abstract
  Sungun Cu-Mo porphyry deposit is located in East Azarbaijan province and at northwest of Iran. From the petrology viewpoint, the Sungun copper mine is consisted of porphyry Sungun (SP), and eight categories of delayed dykes made of  quartz-diorite (DK1 (a, b, c)), gabbro-diorite (DK2), diorite (DK3), ...  Read More

10. Investigation of geology, petrology and petrogenesis of igneous rocks from the Mahour Mining exploration area, west Dehsalm: Implication for Lut tectonomagmatic setting

S Younesi; M.R Hosseinzadeh; M Moayyed; A Maghsoudi

Volume 25, Issue 100 , September 2016, , Pages 179-198

http://dx.doi.org/10.22071/gsj.2016.40733

Abstract
  The study area is located at the center of the Lut area and the southern part of the Eocene- Oligocene Lut volcano-plutonic belt. The main exposed igneous rocks include widespread and thick units of Middle Eocene volcanic (basaltic andesite, andesiteand trachy-andesite) and Eocene-Oligocene volcanic-subvolcanic ...  Read More

11. Structural Study of Khaje Salt Diaper in the NE of Tabriz, Research Possibility of Gas Storage Potential and Analitycal Modeling of Diapirism

B Zamani; M Jalilpour; M Moayyed; M Faridi

Volume 24, Issue 1393 , March 2015, , Pages 217-226

http://dx.doi.org/10.22071/gsj.2015.43416

Abstract
  The Study area is located in 15km Northeast of Tabriz in East-Azarbaidjan province. The rock units in the study area are limited and consist of different members of the Upper red formation (Miocene). Salt bed (Miocene) that diapired is related to the base of the mentioned formation. Due to the rising ...  Read More

12. Geological and Geochemical Characteristics of the Syah Kamar Porphyry Molybdenum Deposit, West of Mianeh, NW Iran

F. Khaleghi; Gh. Hosseinzadeh; I. Rasa; M. Moayyed

Volume 22, Issue 88 , December 2013, , Pages 187-196

http://dx.doi.org/10.22071/gsj.2013.53692

Abstract
  The Syah kamar molybdenum deposit is a porphyry molybdenum system which has been explored during the recent research of author in the northwest of Iran and is being reported for the first time and its ore mineralization is explained and discussed in this paper on the basis of geological data, mineralization ...  Read More

13. Geotourism and Their Potential Assessment in Qaflankuh Area, Myaneh, NW Iran, Using Mathematical Target Model

A. Kamali; M. Moayyed; M. Jahanbakhsh Ganjeh; H. Pirooj; M. Jokar; A. Ameri

Volume 21, Issue 82 , December 2011, , Pages 121-132

http://dx.doi.org/10.22071/gsj.2011.54448

Abstract
  The studied area is located at southeast of Myaneh, in east Azarbaijan province. The tourism industry, especially geotourism is a new approach for improving of coexistence of human and nature, in order to make economic benfites is nowadays very important for local development. By evaluation of natural ...  Read More

14. Study of Hypogen Alteration and Copper Mineralization in Sonajil Area (East of Herris, East Azarbaidjan)

Gh. Hosseinzadeh; A.A. Calagari; M. Moayyed; B. Hadj-Alilu; M. Moazzen

Volume 19, Issue 74 , February 2010, , Pages 3-12

http://dx.doi.org/10.22071/gsj.2010.57312

Abstract
  The Sonajil area is located in ~17 km east of Heris, East-Azarbaidjan. The major lithological units in the area include bodies of volcanic and volcanoclastic rocks (lower to middle Eocene), Sonajil porphyry stock (upper Eocene-lower Oligocene), Incheh granitoid stock (diorite, syeno-diorite, gabbro) ...  Read More