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)
Calcareous algae and small Gorgonacea from the Tirgan Formation in East of Koppeh-Dagh and the first report of Permocalculus? halimedaformis from Iran

S. Hemati; M. Taherpour Khalil Abad; A. Ghaderi; A. R. Ashouri

Volume 26, Issue 104 , September 2017, , Pages 223-240


  Micropaleontological study on the carbonate successions of the Tirgan Formation at the Taherabad village and Eshlir anticline stratigraphic sections is led to identification of various taxa of the calcareous algae belong to the families Dasycladaceae, Triploporellaceae, Udoteaceae, Solenoporaceae and ...  Read More

The Effect of Sea Level Change on Depositional Facies in Mozduran Formation, West of the Kopet-Dagh Basin

S.Z Pourheidar; A Mahboubi; M.H Mahmudy Gharaie; S.R Moussavi Harami

Volume 24, Issue 94 , March 2015, , Pages 275-286


  The Mozduran Formation in west of the Kopet-Dagh basin, NE Jajarm, is mainly composed of dolostone in top and base, and mudstone to grainstone limestones in the middle parts of Cheshme-Khan section. This formation in the Qezel-Tapeh2 well is composed of alternative limestone and shale layers. Based on ...  Read More

Tectonic Evolution of the Alborz in Mesozoic and Cenozoic

Alireza Shahidi; E. Barrier; M.-F. Brunet; A. Saidi

Volume 21, Issue 81 , December 2011, , Pages 201-216


  In northern Iran the Eo-Cimmerian orogeny resulting from this collision is associated with a regional unconformity and a major change in sedimentation. From Norian to middle Bajocian (Shemshak group), 030° trending extension is indicated by syndepositional normal faults. We assign this extensional ...  Read More

A New Aspect on the Neyzar Formation based on New Findings of Fossils

M. Vahidinia; A. Sadeghi; A. Shemirani; A-A. Aryai; M-A. Adabi

Volume 17, Issue 65 , March 2007, , Pages 144-169


  The Kopet Dagh basin was formed during and after the collision of Turan plate with Iran plate before late Carnian (about 225 m.y. ago). It is located in the northeast of Iran and has a WNW to ESE trend. Neyzar Formation is composed of siliciclastic sediments and sandy shale and sandy limestone. This ...  Read More