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)
Stratigraphy and Palaeontology
Paleoecology of the Qom Formation ostracods in eastern Sirjan and southwestern Kashan (Sanandaj-Sirjan Fore-Arc Basin)

Ebrahim Mohammadi; Mohammad Javad Hassani

Volume 31, Issue 2 , September 2021, , Pages 65-78


  Paleoecology of the Qom Formation ostracods in the Bojan and Varkan sections have been studied. The age of the sections has determined base on foraminifera and is Rupelian-chattian for the Bujan and Chattian for the Varkan Section. Ostracoda content of the Bujan and Varkan sections include 44 and 33 ...  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

Ar/Ar Dating, Geochemistry and Petrogenesis of Khersrah Intrusive mass

J. Ghalamghash; Sara Houshmand; Sayad Jamal Shaikhzakariaee; Hamideh Rashid

Volume 29, Issue 116 , August 2020, , Pages 135-144


  The Kharsare intrusive mass (South of Ghorveh) is located in the middle part of the Sanandaj–Sirjan zone. The batholith comprises three plutonic units including gabbro- diorite, granite and syenite. In addition, the hybrid rocks with a lot of mixing and minling evidences (including lobate or/and ...  Read More

Economic Geology
Mianaj iron occurrence, southwest of Zanjan: Metamorphosed and deformed volcano-sedimentary type of mineralization in Sanandaj- Sirjan zone

Fattaneh Pourmohammad; Hossein Kouhestani; Amir Morteza Azimzadeh; Ghasem Nabatian; Mir Ali Asghar Mokhtari

Volume 28, Issue 111 , May 2019, , Pages 161-174


  Mianaj Fe ore occurrence is located in the Takab-Angouran-Takht-e-Soleyman metallogenic zone, 100 km southwest of Zanjan. In this area, Fe mineralization occurs as lens-shaped bodies parallel to the foliation of schist and rhyolitic meta-tuff units (equal to Kahar Formation). Based on mineralography, ...  Read More

Investigations on Northern Urmia-Dokhtar travertines and comparison with north Sanandaj-Sirjan travertines using 18O and 13C stable isotopes

R. Roshanak; A. R. Zarasvandi; H. Pourkaseb; F. Moore

Volume 27, Issue 106 , March 2018, , Pages 143-152


  Main Travertines of Iran are located in a NW-SE trending belt (Urmia-Dokhtar Belt), extending from Tabriz to Zahedan. Neo-tectonic activities (Plecene to now) with travertine deposits around hot springs and volcanic features can be seen along this belt. In this study, East Azerbaijan travertines (northern ...  Read More

Investigation on deformation stages in NW part of Sanandaj-Sirjan structural zone

E. Haji; H. Safari

Volume 26, Issue 103 , June 2017, , Pages 183-200


  The Saqqez-Baneh area, as a part of the NW Sanandaj-Sirjan zone, is selected for investigation of different deformation stages. In this research, firstly, the lithology of outcropped rock units and visible lineaments were mapped using remote sensing approach. Then, field surveys were carried out for ...  Read More

Ore facies, alteration zoning and physico-chemical conditions of formation of the Bavanat (Jian) Besshi-type Cu-Zn-Ag volcanogenic massive sulfide deposit, Fars province

F Mousivand; E Rastad; M.H Emami; J Peter; M Solomon

Volume 25, Issue 99 , June 2016, , Pages 61-74


  The Bavanat (Jian) pelitic-mafic- / Besshi-type Cu-Zn-Ag volcanogenic massive sulfide deposit locates in the Bavanat area, South Sanandaj-Sirjan zone. Mineralization occurs as two stratigraphic ore horizons discontinuously within the Surian metamorphosed volcano-sedimentary complex through more than ...  Read More

Interpretation of magnetic fabrics based on variations of anisotropy of magnetic susceptibility (AMS) in Bouin- Miandasht granitoid pluton

S Saki; H Ghasemi; M Sadeghian

Volume 25, Issue 98 , March 2016, , Pages 385-394


  Bouin- Miandashtgranitoid pluton with an area of 40 Km2, outcropped in the north of Bouin Miandasht- Aligoudarz road, was emplaced into Triassic to early Jurassic low to medium grade metapelitic rocks of Sanandaj - Sirjan structural zone. This pluton composed of alkali feldspar granite to leucogranite. ...  Read More

Fe-Mn Mineralization in Dolomites Equivalent to Shotori Formation in NE of Dehbid, Southern Sanandaj-Sirjan Zone, Fars Province

M Kazemirad; E Rastad; M Mohajjel

Volume 24, Issue 94 , March 2015, , Pages 369-382


  The Goshti-Heneshk, Goli and Cheshmeh Esi iron-manganese deposits are located in the northeast of Dehdib (Safashahr), 175 km northeast of Shiraz. These deposits are situated in the Heneshk Shear Zone, which is a part of the ComplexDeformationSubzone of the Southern Sanandaj-Sirjan Zone. The oldest outcrops ...  Read More

Structure of Shear Zone and Folds Interference Patterns in North Esfajerd, Sanandaj- Sirjan Zone

E Moosavi; M Mohajjel

Volume 23, Issue 91 , June 2014, , Pages 119-130


  The North Esfajerd ductile shear zone is exposed in NE Golpaygan in the Sanandaj-Sirjan zone. The shear sense indicators are observed in the both outcrop and microscopic scales in this shear zone. These indicators are representing a NW striking dextral shear. The dynamic analysis and outcrop- scale indicators ...  Read More

Geochemical Exploration for Au and Paragenetic Elements in N.W. of Saqqez, Kurdistan Province, Iran

F Mohammadi; S Alipour; M Ghazanfari

Volume 23, Issue 90 , March 2014, , Pages 209-216


  Gold as a strategic element has a strong exploration potential in KurdistanCounty. This investigation for gold has carried out in N.W. Sanandaj- Siirjan geological zone. 351 samples has been taken from drainages and analyzed by ICP-MS in Canada for 22 elements. Based on results, anomaly map and enrichment ...  Read More

Analysis of the Mesoscopic Brittle and Ductile-brittle Structures in the Metamorphic Area of Southeastern Eghlid

R. Arfania

Volume 21, Issue 82 , December 2011, , Pages 173-180


  The study area, located in 40 km southeast of Eghlid town, is a  metamorphozed terrain  situated between the Eghlid fault and the Zagros Main Thrust and is a part of the southeastern Sanandaj-Sirjan Zone. The area consists of the highly deformed rocks which have been emerging clearly in dextral ...  Read More

Various stages of Sulfide Mineralization in Sargaz Volcanogenic Massive Sulfide Deposit, Northwest Jiroft, Southern Sanandaj-Sirjan

zahra badrzadeh; M. Sabzehei; E. Rastad; M. H. Emami; D. Gimeno

Volume 19, Issue 76 , January 2010, , Pages 85-94


  The Sargaz massive sulfide deposit is situated near Jiroft (south-east Kerman), in the southern Sanandaj-Sirjan Zone. The host rocks are Upper Triassic to lower Jurassic(?) pillow basalt. The occurrence of mineralization in basaltic to basaltic andesite, the existence of Jaspilite and Fe-Mn horizons ...  Read More

Structural Analysis of the Zagros Collision Zone, West Aligodarz

A. H. Sadr; Mohammad Mohajjel; A. Yasaghi

Volume 19, Issue 76 , January 2010, , Pages 149-158


  The style of deformation changes from the hinterland (Sanandaj-Sirjan zone) to the foreland (Zagros) through the Zagros Orogen containing thick-skinned and thin-skinned deformation respectively. NW-SE trending thrust faults dipping to northeast have carried the older rock sequences to the surface. The ...  Read More

Properties of Young Volcanic Rocks in southeast of Bijar

M. H. Razavi1; A. Sayyareh

Volume 19, Issue 75 , January 2010, , Pages 151-156


  In the south of Bijar, north east of Sanandaj in the Kordestan Province, and in the Sanandaj-Sirjan structural zone, young volcanic rocks are present. In this area, rocks with Cretaceous, Oligocene, Miocene and Pliocene ages are also observed. Based on field observations, volcanic activities occurred ...  Read More