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)
Recognition of Paleoenvironment of the Ab-deraz Formation in Sanganeh Section based on Palynoligocal Evidence (Dinoflagellate Cysts) and Ostracoda

F Yousefi Moghadam; M Allameh; S.M Hosseininezhad; L Bakhshandeh

Volume 25, Issue 98 , March 2016, , Pages 117-126


  Ab-deraz Formation is one of the Lithostratigraphic units of upper cretaceous the age of which is determined as touronian-santonian in Kopet-Dagh sedimentary basin located in northeast Iran. Its major lithology in Sanganeh section contains Marl, Marly limestone, and gray shales and light green shale ...  Read More

Early Carboniferous Brachiopod Assemblages from the Mobarak Formation in Labrud Section, Northern Damghan

B Aghababalou; Kh Khosrotehrani; S.M Hoseininezhad

Volume 24, Issue 94 , March 2015, , Pages 11-18


  The early Carboniferous Mobarak Formation is well exposed in the north of Damghan. It consists of fossiliferous limestone, marly limestone and grey shales. 31 species from 23 genera including: Rossirhynchus adamantinus (Gaetani, 1964), Tomiproductus elegantulus (Tolmmachev, 1924), Pustula cf. altaica ...  Read More

Sequence Stratigraphy of Padeha and Bahram Formations in Baghin Section (West of Kerman) based on Lithofacies and Conodontfacies

Z Khosravi; S.M Hosseini-Nezhad

Volume 23, Issue 92 , September 2014, , Pages 47-55


  The carbonate and terrigenous sedimentary sequence of the Padeha and Bahram formations (late Givetian- late Frasnian) with a total thickness of 126 m have a gradational and conformable contact at Baghin region of W Kerman in Central Iran. The terrigenous facies are mainly consisting of sandstone and ...  Read More

Late Devonian Conodonts from Baghin Section, West of Kerman

H. Gholamalian; S. M. Hosseini-Nezhad; Z. Khosravi; I. Turkzadeh Mahani

Volume 21, Issue 81 , December 2011, , Pages 151-158


  Bahram Formation equivalent sequence in the Baghin area spans late Givetian to late Frasnian age. Thirty-two species and subspecies are identified. Ancyrodella alata, An. pristina, Polygnathus aspelundi, P. aequalis, P. subincompletus,P. politus, Icriodus alternatus alternatus, I. iowaensis iowaensis ...  Read More

Brachiopods and Conodonts of Mobarak Formation (Early Carboniferous) in Kalariz Section, Northern Damghan

H. Gholamalian; M. R. Kebriaei zadeh; M. Ghorbani; S.M. Hosseini-Nezhad

Volume 19, Issue 74 , February 2010, , Pages 121-130


  Investigation on brachiopods and conodonts of Mobarak Formation in Kalariz section confirms the age of Early Tournaisian to Middle Viséan. Some species as Bispathodus aculeatus aculeatus, Bi. stabilis, Spinocarinifera nigra and Shumardella sp.in the lowest part of section show the Early Tournaisisan ...  Read More

Stratigraphy of the Upper Devonian Rocks in the Kalariz Section

S. M. Hosseini-Nezhad; M. Yazdi; M. Ghobadi-Pour; H. Gholamalian

Volume 16, Issue 63 , March 2007, , Pages 78-85


        Geirud formation deposits of Kalariz in the Eastern Alborz start with a relatively thick sequence of sandstone, shale, and red, white and brown colored siltstone changing into yellow dolomitic layers, fossiliferous limestone and shaly or marly limestone. This formation ...  Read More