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)
Whole rock chemistry, dating and tectonomagmatic setting of metagabbros from Qotur area, NW-Iran

Mohammad Saadat; Robab Hajialioghli; Mohssen Moazzen

Volume 31, Issue 1 , June 2021, , Pages 71-84


  The Qotur metamorphic complex in west of Khoy is consist of various metamorphic rocks including of metabasites, metapelitic and meta-calcareous rocks and serpentinites. The metagabbros form main outcropping rocks in the area. Plagioclase and pyroxene are the main porphyroclasts of metagabbros. Epidote, ...  Read More

Petrography, Geochemistry and Geocronology study of of Mesozoic Volcanism in Abarkoh Region, Sanandaj-Sirjan Zone

Atefeh Nimroozi; gholamreza ghadami; Jamshid Hassanzadeh; Mohammad posti

Volume 30, Issue 117 , December 2020, , Pages 91-100


  The study area is located near Abarkoh city and in Sanandaj –Sirjan zone. The volcanic activity of this region is in the form of dacite and rhyolite domes and lava flow and in the petrographic studies includes coarse plagioclase, quartz and hornblende. The volcanic rocks are considered as the separate ...  Read More

Petrography, origin and magmatic evolution of Khunrang intrusive complex, northwest of Jiroft, Kerman

S Sedighian; S Dargahi; M Arvin

Volume 26, Issue 102 , March 2017, , Pages 207-220


  Khunrang intrusive complex, as a one of the largest complexes in the southern part of the Sanandaj-Sirjan zone, is located at northwest of Jiroft, in Kerman province. The complex mainly consists of acidic-intermediate rocks such as diorite, quartzdiorite, tonalite, granodiorite, and granite with subordinate ...  Read More

Tectonostratigraphic Units of Southeastern Part of the Sanandaj-Sirjan Zone

M.R Sheikholeslami

Volume 24, Issue 95 , June 2015, , Pages 243-253


  Different characteristics of the rock units and their stratigraphic relationships, as well as magmatic and metamorphic activities in the southern part of the Sanandaj-Sirjan Zone resulted in identification of different tectono-stratigraphic units based on their tectonic environments reflecting the opening ...  Read More

Petrology and Geochemistry of the Extrusive Sequence of Harsin Ophiolite, W Iran

Kh. Allahyari; M. Pourmoafi; M. Khaleatbari-Jafari

Volume 21, Issue 84 , December 2012, , Pages 189-198


  The extrusive sequence of Kermanshah ophiolite complex are exposed in Tamark and Gashor area, in east of Kermanshah and Harsin, in west of Iran. These lavas are located along the Main Zagros Reverse Fault, which marks the ophiolitic suture zone between the Zagros belt and the Sanandaj-Sirjan zone. These ...  Read More

New Insight to Paleogeography and Structural Evolution of the Alborz in Tethyside

H. Nazari; J-F. Ritz; S. Oghbaee

Volume 16, Issue 64 , March 2007, , Pages 38-53


  Development and evolution of Tethys basins during geological history from the Precambrian to Paleogene has been considered by many geoscientists.  The first sign of various basins propagation of Tethys which resulted in separation of supercontinents, ancient lands (such as Eurasia, Gondwana) and ...  Read More

Environmental Interpretation of Kashafrud Formation (Upper Bajocian- Lower Bathonain) based on Ichnofossils, NE Iran

M. R. Poursoltani; R. Moussavi Harami; Y. Lasemi

Volume 17, Issue 65 , March 2007, , Pages 170-194


        The KopetDaghBasin of northeast Iran formed in the NeotethysOcean after the closure of Paleotethys in the south of Turan plate. A thick sequence of Jurassic to Miocene sediments has been deposited in this basin without any major break. The siliciclastic Kashafrud Formation ...  Read More