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)
Investigate the partial melting process in Hornblend bearing migmatites with Ghar-Naz, northwestern Iran

haleh ghorbani; robab hajialioghli; mohsen moazzen

Volume 30, Issue 117 , December 2020, , Pages 25-38


  The Ghareh naz migmatites were formed as a result of partial melting of amphibolites under granulite facies conditions. Structeral, textural, mineralogical and geochemical evidence in the migmatites migmatites indicates their formation via partial melting during partial melting. The studied migmatites ...  Read More

Investigations on temperature and pressure of formation of schists and gneisses of the Allahyarlu complex, NW Iran

Zohreh Salimi; mohsen moazzen; Robab hajialioghli

Volume 29, Issue 116 , August 2020, , Pages 35-48


  The ophiolitic-metamorphic complex of Allahyarlu, attributed to pre-Cretaceous, is exposed at the core of Allahyarlu anticline in NW Iran and NE of Meshginshahr. The metamorphic rocks are important constituents of this complex. These rocks include garnet schist, garnet gneiss, amphibolite, marble, associated ...  Read More

Petrography, mineral chemistry and P-T estimation of pelitic schists from north of Golpayegan, Isfahan province

Seyyed Navid Seyyed Mardani; M. Moazzen; Ahmad Jahangiri

Volume 29, Issue 113 , November 2019, , Pages 3-12


  The Muth-Golpayegan metamorphic complex is situated at north of Golpayegan city in the Isfahan province. This complex is constituted from different metamorphic rocks including variety of pelitic schists, amphibolite, gneiss, quartzite and marble. Garnet schists are dominant lithology in the area and ...  Read More

Petrography, petrology, mineral chemistry and petrogenesis study of amphibolites in Bahram Gor area at northwestern of Gol-e Gohar mine in Sirjan

H. Rahimi Sadegh; S. H. Moein Zadeh; M. Moazzen

Volume 28, Issue 110 , December 2018, , Pages 173-182


  The study area is a part of the Sanandaj-Sirjan zone which is mainly composed of metamorphic rocks, a variety of igneous basic rocks and sediments. the metamorphic rocks studied at west of Kheyrabad, North of Gol-e Gohar mine in Sirjan, Kerman Province are slate, phyllite, schist (garnet schist, amphibole ...  Read More

Investigations on amphibole origin in olivine-bearing hornblende gabbros from NW of Salmas; NW Iran

Masoumeh Ahangari; Mohssen Moazzen

Volume 27, Issue 108 , September 2018, , Pages 223-232


  Amphiboles in olivine-bearing hornblende- gabbros from NW of Salmas were crystallized in various textures including oikocryst and interstitial textures in the matrix, outer part of reaction rims around olivine, and at the rim and cleavages of clinopyroxene. On the basis of petrographical and textural ...  Read More

Mineralogy, texture and retrograde P-T evolutions of the granulites during cooling and exhumation, NE of Takht-e-Soleyman metamorphic complex (NW Iran)

R. Hajialioghli; M. Moazzen

Volume 27, Issue 105 , December 2017, , Pages 105-116


  The Takht-e-Soleyman metamorphic complex is located at NE of Takab town, West Azerbaijan province. This complex having Precambrian-Cambrian age has been formed from low to high metamorphic rock types. The retrograde granulites are subject of this project. The retrograde metamorphic assemblages of the ...  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


  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

The geochemical nature of serpentinites from the Mashhad mafic-ultramafic complex as an evidence for Palaeotethys oceanic crust subduction in NE Iran

K. Mohammadiha; M. Moazzen; U. Altenberger; R. Hajialioghli

Volume 26, Issue 102 , March 2017, , Pages 15-26


  The Mashhad ultramafic complex with a Permo-Triassic stratigraphic age is exposed at the NE of Binaloud Mountain and at the vicinity of the Mashhad city. This area is mainly composed of mafic and ultramafic rocks, metamorphosed carbonate and pelitic rocks and granitoids with a NW- SE trend. Serpentinized ...  Read More

Petrology and geochemistry of amphibolites from Southeast of Siyah-Cheshmeh, NW Iran

R Hajialioghli; H Fakharinezhad; M Moazzen

Volume 25, Issue 99 , June 2016, , Pages 111-122


  The study area (Siyah-Cheshmeh), is located to the south Maku in the Khoy-Maku ophiolite zone. The various outcropped metamorphic rocks include serpentinites, metabasites (green schist, amphibolite) and meta-pelitic rocks (slate, mica-schist) with interlayers of marble and quartzite. The amphibolites ...  Read More

Precambrien Crustal Basement Rocks in Iran New Evidence from the Takht-e-Soleyman Metamorphic Complex from NE Takab

R. Hajialioghli; M. Moazzen

Volume 22, Issue 88 , December 2013, , Pages 197-204


  The Prototethys ocean is formed between tow giant continents of Gondwana in the north and Eurasia in the south. Iranian terrain as neigburhood countries in the Oman, Pakestan, SE Turkey has been belonged to the giant Gondwana during Precambrian and Paleozoic. Precambrian terrains in Iran show limited ...  Read More

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


  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

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


         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

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


  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

Determination of P-T Conditions of Metamorphism of Mahneshan Complex NW Iran

A. Saki; M. Moazzen; M. Modjtahedi; R. Oberhänsli

Volume 17, Issue 68 , February 2008, , Pages 80-93


      Mahneshan Complex in the northwest of Iran was affected by regional and contact metamorphism. Microstructural and petrographical features as well as field relations show that Mahneshan Metamorphic Complex has been affected by four episodes of metamorphism (M1 to M4) and at least two ...  Read More

Partial Melting of Pelites and Semi-Pelites in the Kalaybar Thermal Aureole, NW Iran

M. Moazzen; R. Hajialioghli

Volume 16, Issue 64 , March 2007, , Pages 2-13


         Intrusion of the Kalaybar nepheline syenite and nepheline gabbro into the Cretaceous pelitic and calcareous rocks during Eocene-Oligocene has caused the development of a thermal aureole up to 1 km thick. The contact between igneous and country rocks is sharp. The ...  Read More