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 and petrogenesis of pillow lavas of Forumad area, Northeast Iran

R Kohansal; M Ghorbani; S.M Pourmafi; M Khalatbari Jafari; J Omrani

Volume 26, Issue 101 , December 2017, , Pages 147-158


  The Forumad ophiolite pillow lavas crop out at west of Sabzevar and at the periphery of north central Iran microcontinent.  These lavas include Upper Cretaceous pelagic limestone with microfossils and are classified in two Late Turonian- Santonian and Coniacian- Late Campanian groups. These basaltic ...  Read More

Petrology, geochemistry and geochronology of Nodoushan intrusive complex, West of Yazd

B. Shahsavari Alavijeh; N. Rashidnejad Omran; J. Ghalamghash

Volume 27, Issue 105 , December 2017, , Pages 215-232


  The Nodoushan intrusive complex is a part of Cenozoic plutonism, which located in the central part of the Urumieh–Dokhtar Magmatic Belt (UDMB). This complex consists of four main intrusives, including diorite, granite-granodiorite, diorite porphyry and granodiorite. Mafic microgranular enclaves ...  Read More

Petrology and Petrogenesis of Mafic Igneous Rocks in Mashiran, North of Meshkinshahr

M Poosti; M Fadaeian

Volume 24, Issue 96 , September 2015, , Pages 201-213


  The study area is  located in the Ardabil province and in the north of Meshkin shahr town. A large part of the areais  formed of  Eocene igneous rocks. These rocks include basaltic andesite, basalt, tephrite and  occasionally analcimite. They are silica saturated or relatively saturated. ...  Read More

Petrology and U-Pb Zircon Dating of Marfion Intrusive Complex, West of Kashan

M Honarmand; N Rashidnejad Omran; M.H Emami; Gh Nabatian

Volume 24, Issue 94 , March 2015, , Pages 3-16


  The Marfion Granitoid Complex is a part of Cenozoic plutonism, which located in the central part of the Urumieh–Dokhtar Magmatic Belt. This complex consists of four main intrusives,  including the Mozvash micro-dioritic to micro-monzodioritic intrusive, which scattered as separate outcrops ...  Read More

Petrogenesis of Adakitic Intrusion Bodies of the Ophiolitic Belt, NE Sabzevar

M Nasrabady; F Rossetti; H Moin Vaziri; S.M.H R; M M

Volume 24, Issue 94 , March 2015, , Pages 183-196


  Some syntectonic tonalitic and trondhjemitic intrusion bodies have been injected into the Soltan Abad (NE Sabzevar) metamorphic complex. The geochemical investigations of these intrusion bodies demonstrated their very obvious adakitic characteristics (very high ratio of Sr/Y and very low contents of ...  Read More

Magmatic Origin and Tectonic Setting of the Eocene - Oligocene Volcanic and Plutonic Rocks from the Zand-Abad Area, NW Ahar (Tarom-Qaredagh Zone)

Z. Azimzadeh; M. H. Emami; R. Hajialioghli

Volume 20, Issue 79 , January 2011, , Pages 113-120


  The Zand-Abad area is located in NW Ahar of north Azerbaijan. Magmatic rocks in this area consists of granitoids including monzogranite, granodiorite, monzonite and syenogranite as well as mafic rocks mainly diorite and associated extrusive rocks as andesite, trachyandesite, dacite, trachydacite, rhyolite. ...  Read More

Magmatic Contamination by Metapelitic Xenoliths (Schist) Fallen Down into the Tall-e-Pahlevani Batholith, Shahr-Babak, Iran

A. Fazlnia

Volume 20, Issue 80 , January 2011, , Pages 127-134


  The Talle-Pahlevani anorogenic magmatism with Leuco-quartz diorite and anorthosite compositions injected into the southwest of the Qori metamorphic complex, which extends in southwest of the Sanandaj-Sirjan zone, at c. 170 Ma. As a result of this process, the metapelite host rock from the complex was ...  Read More

The Geochemistry and Petrology of Mantle Sequence in the Nain Ophiolite

M. Rahgoshay; J. Mehdipour Ghazi; H. Shafaii Moghadam

Volume 18, Issue 71 , January 2009, , Pages 31-44


  Peridotites (Cpx-bearing harzburgites, lherzolites, wherlites and dunites) associated with pegmatite gabbros, gabbro impregnations, gabbroic-diabasic dikes, pyroxenites and websterites are the main constituents of the mantle sequence in the Nain ophioliote assemblage. Petrographic and geochemical studies ...  Read More

Petrogenesis, Geodynamics and Radiometric Age Dating of Safakhaneh Mass, Northwest of Iran

M. H. Kholghi; M. Vossoughi Abedini

Volume 17, Issue 66 , February 2008, , Pages 24-39


       Safakhaneh batholith, situated at 47 km southwest of Shahin Dezh, northwest of Iran, is located in the central Iran structural zone intersecting the Cretaceous rocks. The absolute age of the batholith, determined for the first time by K – Ar method, has been calculated ...  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

Mineralogical-Geochemical characteristics of Potassic Granitoid in regard with other Granitoid in Kal-e Kafi complex (NE. Anarak )

J. Ahmadian; M . H. Emami; M. R . Ghorbani; M . Murata

Volume 16, Issue 63 , March 2007, , Pages 154-163


       Kal-e Kafi granitoid complex is a part of Central Iranian structural zone called Yazd block. This complex is composed of a wide spectrum of plutonic rocks ranging from gabbro to alkalike granite with age range of Upper Eocene-Lower Oligocene. Potassic granitoid shows geochemical ...  Read More