Volume 34 (2024)
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

https://doi.org/10.22071/gsj.2016.41050

Abstract
  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

Geology and Geochemistry of Ophiolitic Extrusive Sequence in Forumad Area, Northeast Iran

R Kohansal; M Ghorbani; S.M Pourmoafi; M Khalatbari Jafari; J Omrani; S Zolfaghari; S Soleimani

Volume 25, Issue 97 , December 2016, , Pages 387-396

https://doi.org/10.22071/gsj.2015.41593

Abstract
  Abstract The Forumadophiolitic rocks as a part of Iran marginal microcontinentophiolites have been situated in the western part of Sabzevarophiolite. Field study shows extrusive sequence in this area with Late Cretaceous in age. This sequence has included basaltic pillow lavas with radiolarian chert ...  Read More

The Role of the Mantle Plumes in the Formation of Ophiolitic Extrusive Sequence, Northwest Sabzevar

M Khalatbari Jafari; M Ghani

Volume 24, Issue 94 , March 2015, , Pages 47-60

https://doi.org/10.22071/gsj.2015.42742

Abstract
  In northwest Sabzevar the exposed extrusive sequence and supraophiolite series have interbedded pelagic limestone containing Late Cretaceous microfaunas. The extrusive sequence comprise of hyaloclastic breccia, tuff  and sheet flow in lower part, aphyric and vesiculated pillow lava in middle part ...  Read More

Petrology of Heiran Area Submarine Lavas in Northeast of Ardabil, A Case Study of Caspian Sea Southern Margin Geo-Suture

Y Vasigh; A Darvishzadeh; M Vosoughi Abedini; M.H Emami

Volume 24, Issue 93 , December 2014, , Pages 93-104

https://doi.org/10.22071/gsj.2014.43536

Abstract
  Heiran area is located in northwest of Ardabil and southwest of Caspian Sea. Field evidences indicate submarine volcanic activities in this area. The rocks in this area are of basaltic composition. The outcrops of pillow lavas, prisms, dykes and lava flows in different points are evidences showing the ...  Read More

A Study of Ophiolitic Extrusive Sequence and Supraophiolite Series in Gez-Afchang Area, Tectonomagmatic Constrains

M. Khalatbari Jafari; M. Ghani

Volume 22, Issue 86 , December 2012, , Pages 75-86

https://doi.org/10.22071/gsj.2012.54069

Abstract
  The extrusive sequence exposed in the vicinity of Gez village located in the NW Sabzevar, comprises a diversity of rocks which could be divided in three main parts. The lower part contains abundance hyaloclastic breccia and tuff, and the middle part comprises vesicular pillow lava and the upper part ...  Read More